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k3ch - 2910116 - D3 - A

100問 • 1年前

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A file-hosting service uses Amazon Simple Storage Service (Amazon S3) under the hood to power its storage offerings. Currently all the customer files are uploaded directly under a single Amazon S3 bucket. The engineering team has started seeing scalability issues where customer file uploads have started failing during the peak access hours with more than 5000 requests per second. Which of the following is the MOST resource efficient and cost-optimal way of addressing this issue?

Change the application architecture to create customer-specific custom prefixes within the single Amazon S3 bucket and then upload the daily files into those prefixed locations

An ivy-league university is assisting NASA to find potential landing sites for exploration vehicles of unmanned missions to our neighboring planets. The university uses High Performance Computing (HPC) driven application architecture to identify these landing sites. Which of the following Amazon EC2 instance topologies should this application be deployed on?

The Amazon EC2 instances should be deployed in a cluster placement group so that the underlying workload can benefit from low network latency and high network throughput

The engineering team at an e-commerce company wants to establish a dedicated, encrypted, low latency, and high throughput connection between its data center and AWS Cloud. The engineering team has set aside sufficient time to account for the operational overhead of establishing this connection. As a solutions architect, which of the following solutions would you recommend to the company?

Use AWS Direct Connect plus virtual private network (VPN) to establish a connection between the data center and AWS Cloud

Which of the following feature of an Amazon S3 bucket can only be suspended and not disabled once it have been enabled?

Versioning

A retail company's dynamic website is hosted using on-premises servers in its data center in the United States. The company is launching its website in Asia, and it wants to optimize the website loading times for new users in Asia. The website's backend must remain in the United States. The website is being launched in a few days, and an immediate solution is needed. What would you recommend?

Use Amazon CloudFront with a custom origin pointing to the on-premises servers

The engineering team at a data analytics company has observed that its flagship application functions at its peak performance when the underlying Amazon Elastic Compute Cloud (Amazon EC2) instances have a CPU utilization of about 50%. The application is built on a fleet of Amazon EC2 instances managed under an Auto Scaling group. The workflow requests are handled by an internal Application Load Balancer that routes the requests to the instances. As a solutions architect, what would you recommend so that the application runs near its peak performance state?

Configure the Auto Scaling group to use target tracking policy and set the CPU utilization as the target metric with a target value of 50%

A large financial institution operates an on-premises data center with hundreds of petabytes of data managed on Microsoft’s Distributed File System (DFS). The CTO wants the organization to transition into a hybrid cloud environment and run data-intensive analytics workloads that support DFS. Which of the following AWS services can facilitate the migration of these workloads?

Amazon FSx for Windows File Server

A gaming company is developing a mobile game that streams score updates to a backend processor and then publishes results on a leaderboard. The company has hired you as an AWS Certified Solutions Architect Associate to design a solution that can handle major traffic spikes, process the mobile game updates in the order of receipt, and store the processed updates in a highly available database. The company wants to minimize the management overhead required to maintain the solution. Which of the following will you recommend to meet these requirements?

Push score updates to Amazon Kinesis Data Streams which uses an AWS Lambda function to process these updates and then store these processed updates in Amazon DynamoDB

A gaming company is looking at improving the availability and performance of its global flagship application which utilizes User Datagram Protocol and needs to support fast regional failover in case an AWS Region goes down. The company wants to continue using its own custom Domain Name System (DNS) service. Which of the following AWS services represents the best solution for this use-case?

AWS Global Accelerator

The product team at a startup has figured out a market need to support both stateful and stateless client-server communications via the application programming interface (APIs) developed using its platform. You have been hired by the startup as a solutions architect to build a solution to fulfill this market need using Amazon API Gateway. Which of the following would you identify as correct?

Amazon API Gateway creates RESTful APIs that enable stateless client-server communication and Amazon API Gateway also creates WebSocket APIs that adhere to the WebSocket protocol, which enables stateful, full-duplex communication between client and server

An Electronic Design Automation (EDA) application produces massive volumes of data that can be divided into two categories. The 'hot data' needs to be both processed and stored quickly in a parallel and distributed fashion. The 'cold data' needs to be kept for reference with quick access for reads and updates at a low cost. Which of the following AWS services is BEST suited to accelerate the aforementioned chip design process?

Amazon FSx for Lustre

A logistics company is building a multi-tier application to track the location of its trucks during peak operating hours. The company wants these data points to be accessible in real-time in its analytics platform via a REST API. The company has hired you as an AWS Certified Solutions Architect Associate to build a multi-tier solution to store and retrieve this location data for analysis. Which of the following options addresses the given use case?

Leverage Amazon API Gateway with Amazon Kinesis Data Analytics

The engineering team at an in-home fitness company is evaluating multiple in-memory data stores with the ability to power its on-demand, live leaderboard. The company's leaderboard requires high availability, low latency, and real-time processing to deliver customizable user data for the community of users working out together virtually from the comfort of their home. As a solutions architect, which of the following solutions would you recommend? (Select two)

Power the on-demand, live leaderboard using Amazon DynamoDB with DynamoDB Accelerator (DAX) as it meets the in-memory, high availability, low latency requirements, Power the on-demand, live leaderboard using Amazon ElastiCache for Redis as it meets the in-memory, high availability, low latency requirements

The solo founder at a tech startup has just created a brand new AWS account. The founder has provisioned an Amazon EC2 instance 1A which is running in AWS Region A. Later, he takes a snapshot of the instance 1A and then creates a new Amazon Machine Image (AMI) in Region A from this snapshot. This AMI is then copied into another Region B. The founder provisions an instance 1B in Region B using this new AMI in Region B. At this point in time, what entities exist in Region B?

1 Amazon EC2 instance, 1 AMI and 1 snapshot exist in Region B

A data analytics company measures what the consumers watch and what advertising they’re exposed to. This real-time data is ingested into its on-premises data center and subsequently, the daily data feed is compressed into a single file and uploaded on Amazon S3 for backup. The typical compressed file size is around 2 gigabytes. Which of the following is the fastest way to upload the daily compressed file into Amazon S3?

Upload the compressed file using multipart upload with Amazon S3 Transfer Acceleration (Amazon S3TA)

A software engineering intern at an e-commerce company is documenting the process flow to provision Amazon EC2 instances via the Amazon EC2 API. These instances are to be used for an internal application that processes Human Resources payroll data. He wants to highlight those volume types that cannot be used as a boot volume. Can you help the intern by identifying those storage volume types that CANNOT be used as boot volumes while creating the instances? (Select two)

Throughput Optimized Hard disk drive (st1), Cold Hard disk drive (sc1)

A research group runs its flagship application on a fleet of Amazon EC2 instances for a specialized task that must deliver high random I/O performance. Each instance in the fleet would have access to a dataset that is replicated across the instances by the application itself. Because of the resilient application architecture, the specialized task would continue to be processed even if any instance goes down, as the underlying application would ensure the replacement instance has access to the required dataset. Which of the following options is the MOST cost-optimal and resource-efficient solution to build this fleet of Amazon EC2 instances?

Use Instance Store based Amazon EC2 instances

A company is in the process of migrating its on-premises SMB file shares to AWS so the company can get out of the business of managing multiple file servers across dozens of offices. The company has 200 terabytes of data in its file servers. The existing on-premises applications and native Windows workloads should continue to have low latency access to this data which needs to be stored on a file system service without any disruptions after the migration. The company also wants any new applications deployed on AWS to have access to this migrated data. Which of the following is the best solution to meet this requirement?

Use Amazon FSx File Gateway to provide low-latency, on-premises access to fully managed file shares in Amazon FSx for Windows File Server. The applications deployed on AWS can access this data directly from Amazon FSx in AWS

A junior scientist working with the Deep Space Research Laboratory at NASA is trying to upload a high-resolution image of a nebula into Amazon S3. The image size is approximately 3 gigabytes. The junior scientist is using Amazon S3 Transfer Acceleration (Amazon S3TA) for faster image upload. It turns out that Amazon S3TA did not result in an accelerated transfer. Given this scenario, which of the following is correct regarding the charges for this image transfer?

The junior scientist does not need to pay any transfer charges for the image upload

A telecom company operates thousands of hardware devices like switches, routers, cables, etc. The real-time status data for these devices must be fed into a communications application for notifications. Simultaneously, another analytics application needs to read the same real-time status data and analyze all the connecting lines that may go down because of any device failures. As an AWS Certified Solutions Architect – Associate, which of the following solutions would you suggest, so that both the applications can consume the real-time status data concurrently?

Amazon Kinesis Data Streams

The sourcing team at the US headquarters of a global e-commerce company is preparing a spreadsheet of the new product catalog. The spreadsheet is saved on an Amazon Elastic File System (Amazon EFS) created in us-east-1 region. The sourcing team counterparts from other AWS regions such as Asia Pacific and Europe also want to collaborate on this spreadsheet. As a solutions architect, what is your recommendation to enable this collaboration with the LEAST amount of operational overhead?

The spreadsheet on the Amazon Elastic File System (Amazon EFS) can be accessed in other AWS regions by using an inter-region VPC peering connection

A company uses Amazon DynamoDB as a data store for various kinds of customer data, such as user profiles, user events, clicks, and visited links. Some of these use-cases require a high request rate (millions of requests per second), low predictable latency, and reliability. The company now wants to add a caching layer to support high read volumes. As a solutions architect, which of the following AWS services would you recommend as a caching layer for this use-case? (Select two)

Amazon ElastiCache, Amazon DynamoDB Accelerator (DAX)

What is true about Amazon RDS Read Replicas encryption?

If the master database is encrypted, the read replicas are encrypted

A company is developing a global healthcare application that requires the least possible latency for database read/write operations from users in several geographies across the world. The company has hired you as an AWS Certified Solutions Architect Associate to build a solution using Amazon Aurora that offers an effective recovery point objective (RPO) of seconds and a recovery time objective (RTO) of a minute. Which of the following options would you recommend?

Set up an Amazon Aurora Global Database cluster

A big data consulting firm needs to set up a data lake on Amazon S3 for a Health-Care client. The data lake is split in raw and refined zones. For compliance reasons, the source data needs to be kept for a minimum of 5 years. The source data arrives in the raw zone and is then processed via an AWS Glue based extract, transform, and load (ETL) job into the refined zone. The business analysts run ad-hoc queries only on the data in the refined zone using Amazon Athena. The team is concerned about the cost of data storage in both the raw and refined zones as the data is increasing at a rate of 1 terabyte daily in each zone. As a solutions architect, which of the following would you recommend as the MOST cost-optimal solution? (Select two)

Use AWS Glue ETL job to write the transformed data in the refined zone using a compressed file format, Setup a lifecycle policy to transition the raw zone data into Amazon S3 Glacier Deep Archive after 1 day of object creation

Your company has deployed an application that will perform a lot of overwrites and deletes on data and require the latest information to be available anytime data is read via queries on database tables. As a Solutions Architect, which database technology will you recommend?

Amazon Relational Database Service (Amazon RDS)

A financial services company wants a single log processing model for all the log files (consisting of system logs, application logs, database logs, etc) that can be processed in a serverless fashion and then durably stored for downstream analytics. The company wants to use an AWS managed service that automatically scales to match the throughput of the log data and requires no ongoing administration. As a solutions architect, which of the following AWS services would you recommend solving this problem?

Amazon Kinesis Data Firehose

An IT company is working on client engagement to build a real-time data analytics tool for the Internet of Things (IoT) data. The IoT data is funneled into Amazon Kinesis Data Streams which further acts as the source of a delivery stream for Amazon Kinesis Firehose. The engineering team has now configured a Kinesis Agent to send IoT data from another set of devices to the same Amazon Kinesis Firehose delivery stream. They noticed that data is not reaching Kinesis Firehose as expected. As a solutions architect, which of the following options would you attribute as the MOST plausible root cause behind this issue?

Kinesis Agent cannot write to Amazon Kinesis Firehose for which the delivery stream source is already set as Amazon Kinesis Data Streams

Your company has an on-premises Distributed File System Replication (DFSR) service to keep files synchronized on multiple Windows servers, and would like to migrate to AWS cloud. What do you recommend as a replacement for the DFSR?

Amazon FSx for Windows File Server

A Machine Learning research group uses a proprietary computer vision application hosted on an Amazon EC2 instance. Every time the instance needs to be stopped and started again, the application takes about 3 minutes to start as some auxiliary software programs need to be executed so that the application can function. The research group would like to minimize the application boostrap time whenever the system needs to be stopped and then started at a later point in time. As a solutions architect, which of the following solutions would you recommend for this use-case?

Use Amazon EC2 Instance Hibernate

An analytics company wants to improve the performance of its big data processing workflows running on Amazon Elastic File System (Amazon EFS). Which of the following performance modes should be used for Amazon EFS to address this requirement?

Max I/O

You are establishing a monitoring solution for desktop systems, that will be sending telemetry data into AWS every 1 minute. Data for each system must be processed in order, independently, and you would like to scale the number of consumers to be possibly equal to the number of desktop systems that are being monitored. What do you recommend?

Use an Amazon Simple Queue Service (Amazon SQS) FIFO (First-In-First-Out) queue, and make sure the telemetry data is sent with a Group ID attribute representing the value of the Desktop ID

An engineering team wants to examine the feasibility of the user data feature of Amazon EC2 for an upcoming project. Which of the following are true about the Amazon EC2 user data configuration? (Select two)

By default, user data runs only during the boot cycle when you first launch an instance, By default, scripts entered as user data are executed with root user privileges

A silicon valley based startup has a content management application with the web-tier running on Amazon EC2 instances and the database tier running on Amazon Aurora. Currently, the entire infrastructure is located in us-east-1 region. The startup has 90% of its customers in the US and Europe. The engineering team is getting reports of deteriorated application performance from customers in Europe with high application load time. As a solutions architect, which of the following would you recommend addressing these performance issues? (Select two)

Setup another fleet of Amazon EC2 instances for the web tier in the eu-west-1 region. Enable latency routing policy in Amazon Route 53, Create Amazon Aurora read replicas in the eu-west-1 region

A media company has created an AWS Direct Connect connection for migrating its flagship application to the AWS Cloud. The on-premises application writes hundreds of video files into a mounted NFS file system daily. Post-migration, the company will host the application on an Amazon EC2 instance with a mounted Amazon Elastic File System (Amazon EFS) file system. Before the migration cutover, the company must build a process that will replicate the newly created on-premises video files to the Amazon EFS file system. Which of the following represents the MOST operationally efficient way to meet this requirement?

Configure an AWS DataSync agent on the on-premises server that has access to the NFS file system. Transfer data over the AWS Direct Connect connection to an AWS PrivateLink interface VPC endpoint for Amazon EFS by using a private VIF. Set up an AWS DataSync scheduled task to send the video files to the Amazon EFS file system every 24 hours

An IT company has an Access Control Management (ACM) application that uses Amazon RDS for MySQL but is running into performance issues despite using Read Replicas. The company has hired you as a solutions architect to address these performance-related challenges without moving away from the underlying relational database schema. The company has branch offices across the world, and it needs the solution to work on a global scale. Which of the following will you recommend as the MOST cost-effective and high-performance solution?

Use Amazon Aurora Global Database to enable fast local reads with low latency in each region

A Hollywood studio is planning a series of promotional events leading up to the launch of the trailer of its next sci-fi thriller. The executives at the studio want to create a static website with lots of animations in line with the theme of the movie. The studio has hired you as a solutions architect to build a scalable serverless solution. Which of the following represents the MOST cost-optimal and high-performance solution?

Build the website as a static website hosted on Amazon S3. Create an Amazon CloudFront distribution with Amazon S3 as the origin. Use Amazon Route 53 to create an alias record that points to your Amazon CloudFront distribution

An e-commerce company uses Microsoft Active Directory to provide users and groups with access to resources on the on-premises infrastructure. The company has extended its IT infrastructure to AWS in the form of a hybrid cloud. The engineering team at the company wants to run directory-aware workloads on AWS for a SQL Server-based application. The team also wants to configure a trust relationship to enable single sign-on (SSO) for its users to access resources in either domain. As a solutions architect, which of the following AWS services would you recommend for this use-case?

AWS Directory Service for Microsoft Active Directory (AWS Managed Microsoft AD)

A global pharmaceutical company wants to move most of the on-premises data into Amazon S3, Amazon Elastic File System (Amazon EFS), and Amazon FSx for Windows File Server easily, quickly, and cost-effectively. As a solutions architect, which of the following solutions would you recommend as the BEST fit to automate and accelerate online data transfers to these AWS storage services?

Use AWS DataSync to automate and accelerate online data transfers to the given AWS storage services

A video conferencing application is hosted on a fleet of EC2 instances which are part of an Auto Scaling group. The Auto Scaling group uses a Launch Template (LT1) with "dedicated" instance tenancy but the VPC (V1) used by the Launch Template LT1 has the instance tenancy set to default. Later the DevOps team creates a new Launch Template (LT2) with shared (default) instance tenancy but the VPC (V2) used by the Launch Template LT2 has the instance tenancy set to dedicated. Which of the following is correct regarding the instances launched via Launch Template LT1 and Launch Template LT2?

The instances launched by both Launch Template LT1 and Launch Template LT2 will have dedicated instance tenancy

A media company wants a low-latency way to distribute live sports results which are delivered via a proprietary application using UDP protocol. As a solutions architect, which of the following solutions would you recommend such that it offers the BEST performance for this use case?

Use AWS Global Accelerator to provide a low latency way to distribute live sports results

A media startup is looking at hosting their web application on AWS Cloud. The application will be accessed by users from different geographic regions of the world to upload and download video files that can reach a maximum size of 10 gigabytes. The startup wants the solution to be cost-effective and scalable with the lowest possible latency for a great user experience. As a Solutions Architect, which of the following will you suggest as an optimal solution to meet the given requirements?

Use Amazon S3 for hosting the web application and use Amazon S3 Transfer Acceleration (Amazon S3TA) to reduce the latency that geographically dispersed users might face

The database backend for a retail company's website is hosted on Amazon RDS for MySQL having a primary instance and three read replicas to support read scalability. The company has mandated that the read replicas should lag no more than 1 second behind the primary instance to provide the best possible user experience. The read replicas are falling further behind during periods of peak traffic spikes, resulting in a bad user experience as the searches produce inconsistent results. You have been hired as an AWS Certified Solutions Architect - Associate to reduce the replication lag as much as possible with minimal changes to the application code or the effort required to manage the underlying resources. Which of the following will you recommend?

Set up database migration from Amazon RDS MySQL to Amazon Aurora MySQL. Swap out the MySQL read replicas with Aurora Replicas. Configure Aurora Auto Scaling

A leading online gaming company is migrating its flagship application to AWS Cloud for delivering its online games to users across the world. The company would like to use a Network Load Balancer to handle millions of requests per second. The engineering team has provisioned multiple instances in a public subnet and specified these instance IDs as the targets for the NLB. As a solutions architect, can you help the engineering team understand the correct routing mechanism for these target instances?

Traffic is routed to instances using the primary private IP address specified in the primary network interface for the instance

An IT consultant is helping a small business revamp their technology infrastructure on the AWS Cloud. The business has two AWS accounts and all resources are provisioned in the us-west-2 region. The IT consultant is trying to launch an Amazon EC2 instance in each of the two AWS accounts such that the instances are in the same Availability Zone (AZ) of the us-west-2 region. Even after selecting the same default subnet (us-west-2a) while launching the instances in each of the AWS accounts, the IT consultant notices that the Availability Zones (AZs) are still different. As a solutions architect, which of the following would you suggest resolving this issue?

Use Availability Zone (AZ) ID to uniquely identify the Availability Zones across the two AWS Accounts

The DevOps team at an IT company is provisioning a two-tier application in a VPC with a public subnet and a private subnet. The team wants to use either a Network Address Translation (NAT) instance or a Network Address Translation (NAT) gateway in the public subnet to enable instances in the private subnet to initiate outbound IPv4 traffic to the internet but needs some technical assistance in terms of the configuration options available for the Network Address Translation (NAT) instance and the Network Address Translation (NAT) gateway. As a solutions architect, which of the following options would you identify as CORRECT? (Select three)

NAT instance supports port forwarding, NAT instance can be used as a bastion server, Security Groups can be associated with a NAT instance

A small business has been running its IT systems on the on-premises infrastructure but the business now plans to migrate to AWS Cloud for operational efficiencies. As a Solutions Architect, can you suggest a cost-effective serverless solution for its flagship application that has both static and dynamic content?

Host the static content on Amazon S3 and use AWS Lambda with Amazon DynamoDB for the serverless web application that handles dynamic content. Amazon CloudFront will sit in front of AWS Lambda for distribution across diverse regions

A gaming company uses Application Load Balancers in front of Amazon EC2 instances for different services and microservices. The architecture has now become complex with too many Application Load Balancers in multiple AWS Regions. Security updates, firewall configurations, and traffic routing logic have become complex with too many IP addresses and configurations. The company is looking at an easy and effective way to bring down the number of IP addresses allowed by the firewall and easily manage the entire network infrastructure. Which of these options represents an appropriate solution for this requirement?

Launch AWS Global Accelerator and create endpoints for all the Regions. Register the Application Load Balancers of each Region to the corresponding endpoints

The application maintenance team at a company has noticed that the production application is very slow when the business reports are run on the Amazon RDS database. These reports fetch a large amount of data and have complex queries with multiple joins, spanning across multiple business-critical core tables. CPU, memory, and storage metrics are around 50% of the total capacity. Can you recommend an improved and cost-effective way of generating the business reports while keeping the production application unaffected?

Create a read replica and connect the report generation tool/application to it

A healthcare company has deployed its web application on Amazon Elastic Container Service (Amazon ECS) container instances running behind an Application Load Balancer. The website slows down when the traffic spikes and the website availability is also reduced. The development team has configured Amazon CloudWatch alarms to receive notifications whenever there is an availability constraint so the team can scale out resources. The company wants an automated solution to respond to such events. Which of the following addresses the given use case?

Configure AWS Auto Scaling to scale out the Amazon ECS cluster when the ECS service's CPU utilization rises above a threshold

A media streaming company is looking to migrate its on-premises infrastructure into the AWS Cloud. The engineering team is looking for a fully managed NoSQL persistent data store with in-memory caching to maintain low latency that is critical for real-time scenarios such as video streaming and interactive content. The team expects the number of concurrent users to touch up to a million so the database should be able to scale elastically. As a solutions architect, which of the following AWS services would you recommend for this use-case?

Amazon DynamoDB

A DevOps engineer at an IT company just upgraded an Amazon EC2 instance type from t2.nano (0.5G of RAM, 1 vCPU) to u-12tb1.metal (12.3 TB of RAM, 448 vCPUs). How would you categorize this upgrade?

This is a scale up example of vertical scalability

A company wants to improve its gaming application by adding a leaderboard that uses a complex proprietary algorithm based on the participating user's performance metrics to identify the top users on a real-time basis. The technical requirements mandate high elasticity, low latency, and real-time processing to deliver customizable user data for the community of users. The leaderboard would be accessed by millions of users simultaneously. Which of the following options support the case for using Amazon ElastiCache to meet the given requirements? (Select two)

Use Amazon ElastiCache to improve the performance of compute-intensive workloads, Use Amazon ElastiCache to improve latency and throughput for read-heavy application workloads

A biotechnology company has multiple High Performance Computing (HPC) workflows that quickly and accurately process and analyze genomes for hereditary diseases. The company is looking to migrate these workflows from their on-premises infrastructure to AWS Cloud. As a solutions architect, which of the following networking components would you recommend on the Amazon EC2 instances running these HPC workflows?

Elastic Fabric Adapter (EFA)

An online gaming application has a large chunk of its traffic coming from users who download static assets such as historic leaderboard reports and the game tactics for various games. The current infrastructure and design are unable to cope up with the traffic and application freezes on most of the pages. Which of the following is a cost-optimal solution that does not need provisioning of infrastructure?

Use Amazon CloudFront with Amazon S3 as the storage solution for the static assets

A company has a hybrid cloud structure for its on-premises data center and AWS Cloud infrastructure. The company wants to build a web log archival solution such that only the most frequently accessed logs are available as cached data locally while backing up all logs on Amazon S3. As a solutions architect, which of the following solutions would you recommend for this use-case?

Use AWS Volume Gateway - Cached Volume - to store the most frequently accessed logs locally for low-latency access while storing the full volume with all logs in its Amazon S3 service bucket

A company has set up AWS Organizations to manage several departments running their own AWS accounts. The departments operate from different countries and are spread across various AWS Regions. The company wants to set up a consistent resource provisioning process across departments so that each resource follows pre-defined configurations such as using a specific type of Amazon EC2 instances, specific IAM roles for AWS Lambda functions, etc. As a solutions architect, which of the following options would you recommend for this use-case?

Use AWS CloudFormation StackSets to deploy the same template across AWS accounts and regions

A big data analytics company is working on a real-time vehicle tracking solution. The data processing workflow involves both I/O intensive and throughput intensive database workloads. The development team needs to store this real-time data in a NoSQL database hosted on an Amazon EC2 instance and needs to support up to 25,000 IOPS per volume. As a solutions architect, which of the following Amazon Elastic Block Store (Amazon EBS) volume types would you recommend for this use-case?

Provisioned IOPS SSD (io1)

The engineering team at an e-commerce company has been tasked with migrating to a serverless architecture. The team wants to focus on the key points of consideration when using AWS Lambda as a backbone for this architecture. As a Solutions Architect, which of the following options would you identify as correct for the given requirement? (Select three)

By default, AWS Lambda functions always operate from an AWS-owned VPC and hence have access to any public internet address or public AWS APIs. Once an AWS Lambda function is VPC-enabled, it will need a route through a Network Address Translation gateway (NAT gateway) in a public subnet to access public resources, Since AWS Lambda functions can scale extremely quickly, it's a good idea to deploy a Amazon CloudWatch Alarm that notifies your team when function metrics such as ConcurrentExecutions or Invocations exceeds the expected threshold, If you intend to reuse code in more than one AWS Lambda function, you should consider creating an AWS Lambda Layer for the reusable code

A social media company wants the capability to dynamically alter the size of a geographic area from which traffic is routed to a specific server resource. Which feature of Amazon Route 53 can help achieve this functionality?

Geoproximity routing

The development team at a social media company wants to handle some complicated queries such as "What are the number of likes on the videos that have been posted by friends of a user A?". As a solutions architect, which of the following AWS database services would you suggest as the BEST fit to handle such use cases?

Amazon Neptune

You started a new job as a solutions architect at a company that has both AWS experts and people learning AWS. Recently, a developer misconfigured a newly created Amazon RDS database which resulted in a production outage. How can you ensure that Amazon RDS specific best practices are incorporated into a reusable infrastructure template to be used by all your AWS users?

Use AWS CloudFormation to manage Amazon RDS databases

An enterprise has decided to move its secondary workloads such as backups and archives to AWS cloud. The CTO wishes to move the data stored on physical tapes to Cloud, without changing their current tape backup workflows. The company holds petabytes of data on tapes and needs a cost-optimized solution to move this data to cloud. What is an optimal solution that meets these requirements while keeping the costs to a minimum?

Use Tape Gateway, which can be used to move on-premises tape data onto AWS Cloud. Then, Amazon S3 archiving storage classes can be used to store data cost-effectively for years

A niche social media application allows users to connect with sports athletes. As a solutions architect, you've designed the architecture of the application to be fully serverless using Amazon API Gateway and AWS Lambda. The backend uses an Amazon DynamoDB table. Some of the star athletes using the application are highly popular, and therefore Amazon DynamoDB has increased the read capacity units (RCUs). Still, the application is experiencing a hot partition problem. What can you do to improve the performance of Amazon DynamoDB and eliminate the hot partition problem without a lot of application refactoring?

Use Amazon DynamoDB DAX

The engineering team at a leading e-commerce company is anticipating a surge in the traffic because of a flash sale planned for the weekend. You have estimated the web traffic to be 10x. The content of your website is highly dynamic and changes very often. As a Solutions Architect, which of the following options would you recommend to make sure your infrastructure scales for that day?

Use an Auto Scaling Group

A company uses Application Load Balancers in multiple AWS Regions. The Application Load Balancers receive inconsistent traffic that varies throughout the year. The engineering team at the company needs to allow the IP addresses of the Application Load Balancers in the on-premises firewall to enable connectivity. Which of the following represents the MOST scalable solution with minimal configuration changes?

Set up AWS Global Accelerator. Register the Application Load Balancers in different Regions to the AWS Global Accelerator. Configure the on-premises firewall's rule to allow static IP addresses associated with the AWS Global Accelerator

Amazon Route 53 is configured to route traffic to two Network Load Balancer nodes belonging to two Availability Zones (AZs): AZ-A and AZ-B. Cross-zone load balancing is disabled. AZ-A has four targets and AZ-B has six targets. Which of the below statements is true about traffic distribution to the target instances from Amazon Route 53?

Each of the four targets in AZ-A receives 12.5% of the traffic

An e-commerce company tracks user clicks on its flagship website and performs analytics to provide near-real-time product recommendations. An Amazon EC2 instance receives data from the website and sends the data to an Amazon Aurora Database instance. Another Amazon EC2 instance continuously checks the changes in the database and executes SQL queries to provide recommendations. Now, the company wants a redesign to decouple and scale the infrastructure. The solution must ensure that data can be analyzed in real-time without any data loss even when the company sees huge traffic spikes. What would you recommend as an AWS Certified Solutions Architect - Associate?

Leverage Amazon Kinesis Data Streams to capture the data from the website and feed it into Amazon Kinesis Data Analytics which can query the data in real time. Lastly, the analyzed feed is output into Amazon Kinesis Data Firehose to persist the data on Amazon S3

A music-sharing company uses a Network Load Balancer to direct traffic to 5 Amazon EC2 instances managed by an Auto Scaling group. When a very popular song is released, the Auto Scaling Group scales to 100 instances and the company incurs high network and compute fees. The company wants a solution to reduce the costs without changing any of the application code. What do you recommend?

Use an Amazon CloudFront distribution

An IT company runs a high-performance computing (HPC) workload on AWS. The workload requires high network throughput and low-latency network performance along with tightly coupled node-to-node communications. The Amazon EC2 instances are properly sized for compute and storage capacity and are launched using default options. Which of the following solutions can be used to improve the performance of the workload?

Select a cluster placement group while launching Amazon EC2 instances

A ride-sharing company wants to use an Amazon DynamoDB table for data storage. The table will not be used during the night hours whereas the read and write traffic will often be unpredictable during day hours. When traffic spikes occur they will happen very quickly. Which of the following will you recommend as the best-fit solution?

Set up Amazon DynamoDB table in the on-demand capacity mode

A Pharmaceuticals company is looking for a simple solution to connect its VPCs and on-premises networks through a central hub. As a Solutions Architect, which of the following would you suggest as the solution that requires the LEAST operational overhead?

Use AWS Transit Gateway to connect the Amazon VPCs to the on-premises networks

A Big Data analytics company writes data and log files in Amazon S3 buckets. The company now wants to stream the existing data files as well as any ongoing file updates from Amazon S3 to Amazon Kinesis Data Streams. As a Solutions Architect, which of the following would you suggest as the fastest possible way of building a solution for this requirement?

Leverage AWS Database Migration Service (AWS DMS) as a bridge between Amazon S3 and Amazon Kinesis Data Streams

A retail company is using AWS Site-to-Site VPN connections for secure connectivity to its AWS cloud resources from its on-premises data center. Due to a surge in traffic across the VPN connections to the AWS cloud, users are experiencing slower VPN connectivity. Which of the following options will maximize the VPN throughput?

Create an AWS Transit Gateway with equal cost multipath routing and add additional VPN tunnels

A company's business logic is built on several microservices that are running in the on-premises data center. They currently communicate using a message broker that supports the MQTT protocol. The company is looking at migrating these applications and the message broker to AWS Cloud without changing the application logic. Which technology allows you to get a managed message broker that supports the MQTT protocol?

Amazon MQ

A leading e-commerce company runs its IT infrastructure on AWS Cloud. The company has a batch job running at 7AM daily on an Amazon RDS database. It processes shipping orders for the past day, and usually gets around 2000 records that need to be processed sequentially in a batch job via a shell script. The processing of each record takes about 3 seconds. What platform do you recommend to run this batch job?

Amazon Elastic Compute Cloud (Amazon EC2)

Your company runs a web portal to match developers to clients who need their help. As a solutions architect, you've designed the architecture of the website to be fully serverless with Amazon API Gateway and AWS Lambda. The backend uses Amazon DynamoDB table. You would like to automatically congratulate your developers on important milestones, such as - their first paid contract. All the contracts are stored in Amazon DynamoDB. Which Amazon DynamoDB feature can you use to implement this functionality such that there is LEAST delay in sending automatic notifications?

Amazon DynamoDB Streams + AWS Lambda

A Big Data processing company has created a distributed data processing framework that performs best if the network performance between the processing machines is high. The application has to be deployed on AWS, and the company is only looking at performance as the key measure. As a Solutions Architect, which deployment do you recommend?

Use a Cluster placement group

An IT company has built a custom data warehousing solution for a retail organization by using Amazon Redshift. As part of the cost optimizations, the company wants to move any historical data (any data older than a year) into Amazon S3, as the daily analytical reports consume data for just the last one year. However the analysts want to retain the ability to cross-reference this historical data along with the daily reports. The company wants to develop a solution with the LEAST amount of effort and MINIMUM cost. As a solutions architect, which option would you recommend to facilitate this use-case?

Use Amazon Redshift Spectrum to create Amazon Redshift cluster tables pointing to the underlying historical data in Amazon S3. The analytics team can then query this historical data to cross-reference with the daily reports from Redshift

A financial services company runs its flagship web application on AWS. The application serves thousands of users during peak hours. The company needs a scalable near-real-time solution to share hundreds of thousands of financial transactions with multiple internal applications. The solution should also remove sensitive details from the transactions before storing the cleansed transactions in a document database for low-latency retrieval. As an AWS Certified Solutions Architect Associate, which of the following would you recommend?

Feed the streaming transactions into Amazon Kinesis Data Streams. Leverage AWS Lambda integration to remove sensitive data from every transaction and then store the cleansed transactions in Amazon DynamoDB. The internal applications can consume the raw transactions off the Amazon Kinesis Data Stream

A company hires experienced specialists to analyze the customer service calls attended by its call center representatives. Now, the company wants to move to AWS Cloud and is looking at an automated solution to analyze customer service calls for sentiment analysis via ad-hoc SQL queries. As a Solutions Architect, which of the following solutions would you recommend?

Use Amazon Transcribe to convert audio files to text and Amazon Athena to perform SQL based analysis to understand the underlying customer sentiments

An Internet-of-Things (IoT) company is looking for a database solution on AWS Cloud that has Auto Scaling capabilities and is highly available. The database should be able to handle any changes in data attributes over time, in case the company updates the data feed from its IoT devices. The database must provide the capability to output a continuous stream with details of any changes to the underlying data. As a Solutions Architect, which database will you recommend?

Amazon DynamoDB

Your company is evolving towards a microservice approach for their website. The company plans to expose the website from the same load balancer, linked to different target groups with different URLs, that are similar to these - checkout.mycorp.com, www.mycorp.com, mycorp.com/profile, and mycorp.com/search. As a Solutions Architect, which Load Balancer type do you recommend to achieve this routing feature with MINIMUM configuration and development effort?

Create an Application Load Balancer

A solutions architect has been tasked to design a low-latency solution for a static, single-page application, accessed by users through a custom domain name. The solution must be serverless, provide in-transit data encryption and needs to be cost-effective. Which AWS services can be combined to build the simplest possible solution for the company's requirement?

Use Amazon S3 to host the static website and Amazon CloudFront to distribute the content for low latency access

A company is looking for a technology that allows its mobile app users to connect through a Google login and have the capability to turn on AWS Multi-Factor Authentication (AWS MFA) to have maximum security. Ideally, the solution should be fully managed by AWS. Which technology do you recommend for managing the users' accounts?

Amazon Cognito

A company wants to store business-critical data on Amazon Elastic Block Store (Amazon EBS) volumes which provide persistent storage independent of Amazon EC2 instances. During a test run, the development team found that on terminating an Amazon EC2 instance, the attached Amazon EBS volume was also lost, which was contrary to their assumptions. As a solutions architect, could you explain this issue?

The Amazon EBS volume was configured as the root volume of Amazon EC2 instance. On termination of the instance, the default behavior is to also terminate the attached root volume

You have just terminated an instance in the us-west-1a Availability Zone (AZ). The attached Amazon EBS volume is now available for attachment to other instances. An intern launches a new Linux Amazon EC2 instance in the us-west-1b Availability Zone (AZ) and is attempting to attach the Amazon EBS volume. The intern informs you that it is not possible and needs your help. Which of the following explanations would you provide to them?

Amazon EBS volumes are Availability Zone (AZ) locked

Reporters at a news agency upload/download video files (about 500 megabytes each) to/from an Amazon S3 bucket as part of their daily work. As the agency has started offices in remote locations, it has resulted in poor latency for uploading and accessing data to/from the given Amazon S3 bucket. The agency wants to continue using a serverless storage solution such as Amazon S3 but wants to improve the performance. As a solutions architect, which of the following solutions do you propose to address this issue? (Select two)

Enable Amazon S3 Transfer Acceleration (Amazon S3TA) for the Amazon S3 bucket. This would speed up uploads as well as downloads for the video files, Use Amazon CloudFront distribution with origin as the Amazon S3 bucket. This would speed up uploads as well as downloads for the video files

A media company is evaluating the possibility of moving its IT infrastructure to the AWS Cloud. The company needs at least 10 terabytes of storage with the maximum possible I/O performance for processing certain files which are mostly large videos. The company also needs close to 450 terabytes of very durable storage for storing media content and almost double of it, i.e. 900 terabytes for archival of legacy data. As a Solutions Architect, which set of services will you recommend to meet these requirements?

Amazon EC2 instance store for maximum performance, Amazon S3 for durable data storage, and Amazon S3 Glacier for archival storage

A Customer relationship management (CRM) application is facing user experience issues with users reporting frequent sign-in requests from the application. The application is currently hosted on multiple Amazon EC2 instances behind an Application Load Balancer. The engineering team has identified the root cause as unhealthy servers causing session data to be lost. The team would like to implement a distributed in-memory cache-based session management solution. As a solutions architect, which of the following solutions would you recommend?

Use Amazon Elasticache for distributed in-memory cache based session management

A company needs a massive PostgreSQL database and the engineering team would like to retain control over managing the patches, version upgrades for the database, and consistent performance with high IOPS. The team wants to install the database on an Amazon EC2 instance with the optimal storage type on the attached Amazon EBS volume. As a solutions architect, which of the following configurations would you suggest to the engineering team?

Amazon EC2 with Amazon EBS volume of Provisioned IOPS SSD (io1) type

An application with global users across AWS Regions had suffered an issue when the Elastic Load Balancing (ELB) in a Region malfunctioned thereby taking down the traffic with it. The manual intervention cost the company significant time and resulted in major revenue loss. What should a solutions architect recommend to reduce internet latency and add automatic failover across AWS Regions?

Set up AWS Global Accelerator and add endpoints to cater to users in different geographic locations

Your firm has implemented a multi-tiered networking structure within the VPC - with two public and two private subnets. The public subnets are used to deploy the Application Load Balancers, while the two private subnets are used to deploy the application on Amazon EC2 instances. The development team wants the Amazon EC2 instances to have access to the internet. The solution has to be fully managed by AWS and needs to work over IPv4. What will you recommend?

NAT Gateways deployed in your public subnet

You have built an application that is deployed with Elastic Load Balancing and an Auto Scaling Group. As a Solutions Architect, you have configured aggressive Amazon CloudWatch alarms, making your Auto Scaling Group (ASG) scale in and out very quickly, renewing your fleet of Amazon EC2 instances on a daily basis. A production bug appeared two days ago, but the team is unable to SSH into the instance to debug the issue, because the instance has already been terminated by the Auto Scaling Group. The log files are saved on the Amazon EC2 instance. How will you resolve the issue and make sure it doesn't happen again?

Install an Amazon CloudWatch Logs agents on the Amazon EC2 instances to send logs to Amazon CloudWatch

You are a cloud architect at an IT company. The company has multiple enterprise customers that manage their own mobile applications that capture and send data to Amazon Kinesis Data Streams. They have been getting a ProvisionedThroughputExceededException exception. You have been contacted to help and upon analysis, you notice that messages are being sent one by one at a high rate. Which of the following options will help with the exception while keeping costs at a minimum?

Use batch messages

The engineering team at a weather tracking company wants to enhance the performance of its relational database and is looking for a caching solution that supports geospatial data. As a solutions architect, which of the following solutions will you suggest?

Use Amazon ElastiCache for Redis

An Internet-of-Things (IoT) company is planning on distributing a master sensor in people's homes to measure the key metrics from its smart devices. In order to provide adjustment commands for these devices, the company would like to have a streaming system that supports ordered data based on the sensor's key, and also sustains high throughput messages (thousands of messages per second). As a solutions architect, which of the following AWS services would you recommend for this use-case?

Amazon Kinesis Data Streams

A leading media company wants to do an accelerated online migration of hundreds of terabytes of files from their on-premises data center to Amazon S3 and then establish a mechanism to access the migrated data for ongoing updates from the on-premises applications. As a solutions architect, which of the following would you select as the MOST performant solution for the given use-case?

Use AWS DataSync to migrate existing data to Amazon S3 and then use File Gateway to retain access to the migrated data for ongoing updates from the on-premises applications

A big data analytics company is using Amazon Kinesis Data Streams (KDS) to process IoT data from the field devices of an agricultural sciences company. Multiple consumer applications are using the incoming data streams and the engineers have noticed a performance lag for the data delivery speed between producers and consumers of the data streams. As a solutions architect, which of the following would you recommend for improving the performance for the given use-case?

Use Enhanced Fanout feature of Amazon Kinesis Data Streams

100

The engineering team at a company wants to create a daily big data analysis job leveraging Spark for analyzing online/offline sales and customer loyalty data to create customized reports on a client-by-client basis. The big data analysis job needs to read the data from Amazon S3 and output it back to Amazon S3. Which technology do you recommend to run the Big Data analysis job? (Select two)

AWS Glue, Amazon EMR

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critical flaw · 98問 · 2年前

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