Extinction Agenda Book 2 Chapter 2

50問 • 1年前

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A media company uses Amazon ElastiCache Redis to enhance the performance of its Amazon RDS database layer. The company wants a robust disaster recovery strategy for its caching layer that guarantees minimal downtime as well as minimal data loss while ensuring good application performance. Which of the following solutions will you recommend to address the given use-case?

Opt for Multi-AZ configuration with automatic failover functionality to help mitigate failure

A development team has configured Elastic Load Balancing for host-based routing. The idea is to support multiple subdomains and different top-level domains. The rule *.example.com matches which of the following?

test.example.com

The engineering team at a social media company has recently migrated to AWS Cloud from its on-premises data center. The team is evaluating Amazon CloudFront to be used as a CDN for its flagship application. The team has hired you as an AWS Certified Solutions Architect – Associate to advise on Amazon CloudFront capabilities on routing, security, and high availability. Which of the following would you identify as correct regarding Amazon CloudFront? (Select three)

Amazon CloudFront can route to multiple origins based on the content type, Use field level encryption in Amazon CloudFront to protect sensitive data for specific content, Use an origin group with primary and secondary origins to configure Amazon CloudFront for high-availability and failover

An e-commerce company has copied 1 petabyte of data from its on-premises data center to an Amazon S3 bucket in the us-west-1 Region using an AWS Direct Connect link. The company now wants to set up a one-time copy of the data to another Amazon S3 bucket in the us-east-1 Region. The on-premises data center does not allow the use of AWS Snowball. As a Solutions Architect, which of the following options can be used to accomplish this goal? (Select two)

Copy data from the source bucket to the destination bucket using the aws S3 sync command, Set up Amazon S3 batch replication to copy objects across Amazon S3 buckets in another Region using S3 console and then delete the replication configuration

A CRM company has a software as a service (SaaS) application that feeds updates to other in-house and third-party applications. The SaaS application and the in-house applications are being migrated to use AWS services for this inter-application communication. As a Solutions Architect, which of the following would you suggest to asynchronously decouple the architecture?

Use Amazon EventBridge to decouple the system architecture

You are working for a software as a service (SaaS) company as a solutions architect and help design solutions for the company's customers. One of the customers is a bank and has a requirement to whitelist a public IP when the bank is accessing external services across the internet. Which architectural choice do you recommend to maintain high availability, support scaling-up to 10 instances and comply with the bank's requirements?

Use a Network Load Balancer with an Auto Scaling Group

A company has developed a popular photo-sharing website using a serverless pattern on the AWS Cloud using Amazon API Gateway and AWS Lambda. The backend uses an Amazon RDS PostgreSQL database. The website is experiencing high read traffic and the AWS Lambda functions are putting an increased read load on the Amazon RDS database. The architecture team is planning to increase the read throughput of the database, without changing the application's core logic. As a Solutions Architect, what do you recommend?

Use Amazon RDS Read Replicas

As part of the on-premises data center migration to AWS Cloud, a company is looking at using multiple AWS Snow Family devices to move their on-premises data. Which AWS Snow Family service offers the feature of storage clustering?

AWS Snowball Edge Compute Optimized

A financial services firm has traditionally operated with an on-premise data center and would like to create a disaster recovery strategy leveraging the AWS Cloud. As a Solutions Architect, you would like to ensure that a scaled-down version of a fully functional environment is always running in the AWS cloud, and in case of a disaster, the recovery time is kept to a minimum. Which disaster recovery strategy is that?

Warm Standby

A digital media company needs to manage uploads of around 1 terabyte each from an application being used by a partner company. As a Solutions Architect, how will you handle the upload of these files to Amazon S3?

Use multi-part upload feature of Amazon S3

A company has migrated its application from a monolith architecture to a microservices based architecture. The development team has updated the Amazon Route 53 simple record to point "myapp.mydomain.com" from the old Load Balancer to the new one. The users are still not redirected to the new Load Balancer. What has gone wrong in the configuration?

The Time To Live (TTL) is still in effect

An IT company has a large number of clients opting to build their application programming interface (API) using Docker containers. To facilitate the hosting of these containers, the company is looking at various orchestration services available with AWS. As a Solutions Architect, which of the following solutions will you suggest? (Select two)

Use Amazon Elastic Container Service (Amazon ECS) with AWS Fargate for serverless orchestration of the containerized services, Use Amazon Elastic Kubernetes Service (Amazon EKS) with AWS Fargate for serverless orchestration of the containerized services

As a solutions architect, you have created a solution that utilizes an Application Load Balancer with stickiness and an Auto Scaling Group (ASG). The Auto Scaling Group spans across 2 Availability Zones (AZs). AZ-A has 3 Amazon EC2 instances and AZ-B has 4 Amazon EC2 instances. The Auto Scaling Group is about to go into a scale-in event due to the triggering of a Amazon CloudWatch alarm. What will happen under the default Auto Scaling Group configuration?

The instance with the oldest launch template or launch configuration will be terminated in AZ-B

A company has grown from a small startup to an enterprise employing over 1000 people. As the team size has grown, the company has recently observed some strange behavior, with Amazon S3 buckets settings being changed regularly. How can you figure out what's happening without restricting the rights of the users?

Use AWS CloudTrail to analyze API calls

Your company is deploying a website running on AWS Elastic Beanstalk. The website takes over 45 minutes for the installation and contains both static as well as dynamic files that must be generated during the installation process. As a Solutions Architect, you would like to bring the time to create a new instance in your AWS Elastic Beanstalk deployment to be less than 2 minutes. Which of the following options should be combined to build a solution for this requirement? (Select two)

Create a Golden Amazon Machine Image (AMI) with the static installation components already setup, Use Amazon EC2 user data to customize the dynamic installation parts at boot time

You are working as an AWS architect for a weather tracking facility. You are asked to set up a Disaster Recovery (DR) mechanism with minimum costs. In case of failure, the facility can only bear data loss of approximately 15 minutes without jeopardizing the forecasting models. As a Solutions Architect, which DR method will you suggest?

Pilot Light

The engineering team at a global e-commerce company is currently reviewing their disaster recovery strategy. The team has outlined that they need to be able to quickly recover their application stack with a Recovery Time Objective (RTO) of 5 minutes, in all of the AWS Regions that the application runs. The application stack currently takes over 45 minutes to install on a Linux system. As a Solutions architect, which of the following options would you recommend as the disaster recovery strategy?

Create an Amazon Machine Image (AMI) after installing the software and copy the AMI across all Regions. Use this Region-specific AMI to run the recovery process in the respective Regions

A health-care company manages its web application on Amazon EC2 instances running behind Auto Scaling group (ASG). The company provides ambulances for critical patients and needs the application to be reliable. The workload of the company can be managed on 2 Amazon EC2 instances and can peak up to 6 instances when traffic increases. As a Solutions Architect, which of the following configurations would you select as the best fit for these requirements?

The Auto Scaling group should be configured with the minimum capacity set to 4, with 2 instances each in two different Availability Zones. The maximum capacity of the Auto Scaling group should be set to 6

A financial services firm uses a high-frequency trading system and wants to write the log files into Amazon S3. The system will also read these log files in parallel on a near real-time basis. The engineering team wants to address any data discrepancies that might arise when the trading system overwrites an existing log file and then tries to read that specific log file. Which of the following options BEST describes the capabilities of Amazon S3 relevant to this scenario?

A process replaces an existing object and immediately tries to read it. Amazon S3 always returns the latest version of the object

A leading video streaming provider is migrating to AWS Cloud infrastructure for delivering its content to users across the world. The company wants to make sure that the solution supports at least a million requests per second for its Amazon EC2 server farm. As a solutions architect, which type of Elastic Load Balancing would you recommend as part of the solution stack?

Network Load Balancer

A company has noticed that its application performance has deteriorated after a new Auto Scaling group was deployed a few days back. Upon investigation, the team found out that the Launch Configuration selected for the Auto Scaling group is using the incorrect instance type that is not optimized to handle the application workflow. As a solutions architect, what would you recommend to provide a long term resolution for this issue?

Create a new launch configuration to use the correct instance type. Modify the Auto Scaling group to use this new launch configuration. Delete the old launch configuration as it is no longer needed

A gaming company is doing pre-launch testing for its new product. The company runs its production database on an Aurora MySQL DB cluster and the performance testing team wants access to multiple test databases that must be re-created from production data. The company has hired you as an AWS Certified Solutions Architect - Associate to deploy a solution to create these test databases quickly with the LEAST required effort. What would you suggest to address this use case?

Use database cloning to create multiple clones of the production database and use each clone as a test database

A streaming solutions company is building a video streaming product by using an Application Load Balancer (ALB) that routes the requests to the underlying Amazon EC2 instances. The engineering team has noticed a peculiar pattern. The Application Load Balancer removes an instance from its pool of healthy instances whenever it is detected as unhealthy but the Auto Scaling group fails to kick-in and provision the replacement instance. What could explain this anomaly?

The Auto Scaling group is using Amazon EC2 based health check and the Application Load Balancer is using ALB based health check

A cyber security company is running a mission critical application using a single Spread placement group of Amazon EC2 instances. The company needs 15 Amazon EC2 instances for optimal performance. How many Availability Zones (AZs) will the company need to deploy these Amazon EC2 instances per the given use-case?

A company's cloud architect has set up a solution that uses Amazon Route 53 to configure the DNS records for the primary website with the domain pointing to the Application Load Balancer (ALB). The company wants a solution where users will be directed to a static error page, configured as a backup, in case of unavailability of the primary website. Which configuration will meet the company's requirements, while keeping the changes to a bare minimum?

Set up Amazon Route 53 active-passive type of failover routing policy. If Amazon Route 53 health check determines the Application Load Balancer endpoint as unhealthy, the traffic will be diverted to a static error page, hosted on Amazon S3 bucket

The engineering team at a retail company manages 3 Amazon EC2 instances that make read-heavy database requests to the Amazon RDS for the PostgreSQL database instance. As an AWS Certified Solutions Architect - Associate, you have been tasked to make the database instance resilient from a disaster recovery perspective. Which of the following features will help you in disaster recovery of the database? (Select two)

Use cross-Region Read Replicas, Enable the automated backup feature of Amazon RDS in a multi-AZ deployment that creates backups across multiple Regions

Which of the following is true regarding cross-zone load balancing as seen in Application Load Balancer versus Network Load Balancer?

By default, cross-zone load balancing is enabled for Application Load Balancer and disabled for Network Load Balancer

A company wants to ensure high availability for its Amazon RDS database. The development team wants to opt for Multi-AZ deployment and they would like to understand what happens when the primary instance of the Multi-AZ configuration goes down. As a Solutions Architect, which of the following will you identify as the outcome of the scenario?

The CNAME record will be updated to point to the standby database

A DevOps engineer at an organization is debugging issues related to an Amazon EC2 instance. The engineer has SSH'ed into the instance and he needs to retrieve the instance public IP from within a shell script running on the instance command line. Can you identify the correct URL path to get the instance public IP?

http://169.254.169.254/latest/meta-data/public-ipv4

A startup has created a cost-effective backup solution in another AWS Region. The application is running in warm standby mode and has Application Load Balancer (ALB) to support it from the front. The current failover process is manual and requires updating the DNS alias record to point to the secondary Application Load Balancer in another Region in case of failure of the primary Application Load Balancer. As a Solutions Architect, what will you recommend to automate the failover process?

Enable an Amazon Route 53 health check

A junior developer is learning to build websites using HTML, CSS, and JavaScript. He has created a static website and then deployed it on Amazon S3. Now he can't seem to figure out the endpoint for his super cool website. As a solutions architect, can you help him figure out the allowed formats for the Amazon S3 website endpoints? (Select two)

http://bucket-name.s3-website-Region.amazonaws.com, http://bucket-name.s3-website.Region.amazonaws.com

A company wants to publish an event into an Amazon Simple Queue Service (Amazon SQS) queue whenever a new object is uploaded on Amazon S3. Which of the following statements are true regarding this functionality?

Only Standard Amazon SQS queue is allowed as an Amazon S3 event notification destination, whereas FIFO SQS queue is not allowed

The engineering team at an e-commerce company uses an AWS Lambda function to write the order data into a single DB instance Amazon Aurora cluster. The team has noticed that many order- writes to its Aurora cluster are getting missed during peak load times. The diagnostics data has revealed that the database is experiencing high CPU and memory consumption during traffic spikes. The team also wants to enhance the availability of the Aurora DB. Which of the following steps would you combine to address the given scenario? (Select two)

Handle all read operations for your application by connecting to the reader endpoint of the Amazon Aurora cluster so that Aurora can spread the load for read-only connections across the Aurora replica, Create a replica Aurora instance in another Availability Zone to improve the availability as the replica can serve as a failover target

An e-commerce company uses Amazon Simple Queue Service (Amazon SQS) queues to decouple their application architecture. The engineering team has observed message processing failures for some customer orders. As a solutions architect, which of the following solutions would you recommend for handling such message failures?

Use a dead-letter queue to handle message processing failures

The engineering team at an online fashion retailer uses AWS Cloud to manage its technology infrastructure. The Amazon EC2 server fleet is behind an Application Load Balancer and the fleet strength is managed by an Auto Scaling group. Based on the historical data, the team is anticipating a huge traffic spike during the upcoming Thanksgiving sale. As an AWS solutions architect, what feature of the Auto Scaling group would you leverage so that the potential surge in traffic can be preemptively addressed?

Auto Scaling group scheduled action

A social media application lets users upload photos and perform image editing operations. The application offers two classes of service: pro and lite. The product team wants the photos submitted by pro users to be processed before those submitted by lite users. Photos are uploaded to Amazon S3 and the job information is sent to Amazon SQS. As a solutions architect, which of the following solutions would you recommend?

Create two Amazon SQS standard queues: one for pro and one for lite. Set up Amazon EC2 instances to prioritize polling for the pro queue over the lite queue

A digital media streaming company wants to use Amazon CloudFront to distribute its content only to its service subscribers. As a solutions architect, which of the following solutions would you suggest to deliver restricted content to the bona fide end users? (Select two)

Use Amazon CloudFront signed URLs, Use Amazon CloudFront signed cookies

An e-commerce application uses a relational database that runs several queries that perform joins on multiple tables. The development team has found that these queries are slow and expensive, therefore these are a good candidate for caching. The application needs to use a caching service that supports multi-threading. As a solutions architect, which of the following services would you recommend for the given use case?

Amazon ElastiCache for Memcached

The DevOps team at a major financial services company uses Multi-Availability Zone (Multi-AZ) deployment for its MySQL Amazon RDS database in order to automate its database replication and augment data durability. The DevOps team has scheduled a maintenance window for a database engine level upgrade for the coming weekend. Which of the following is the correct outcome during the maintenance window?

Any database engine level upgrade for an Amazon RDS database instance with Multi-AZ deployment triggers both the primary and standby database instances to be upgraded at the same time. This causes downtime until the upgrade is complete

A photo-sharing company is storing user profile pictures in an Amazon S3 bucket and an image analysis application is deployed on four Amazon EC2 instances. A solutions architect would like to trigger an image analysis procedure only on one of the four Amazon EC2 instances for each photo uploaded. What do you recommend?

Create an Amazon S3 Event Notification that sends a message to an Amazon SQS queue. Make the Amazon EC2 instances read from the Amazon SQS queue

A startup wants to create a highly available architecture for its multi-tier application. Currently, the startup manages a single Amazon EC2 instance along with a single Amazon RDS MySQL DB instance. The startup has hired you as an AWS Certified Solutions Architect - Associate to build a solution that meets these requirements while minimizing the underlying infrastructure maintenance effort. What will you recommend?

Create an Auto-Scaling group with a desired capacity of a total of two Amazon EC2 instances across two Availability Zones. Configure an Application Load Balancer having a target group of these Amazon EC2 instances. Set up Amazon RDS MySQL DB in a multi-AZ configuration

A systems administration team has a requirement to run certain custom scripts only once during the launch of the Amazon Elastic Compute Cloud (Amazon EC2) instances that host their application. Which of the following represents the best way of configuring a solution for this requirement with minimal effort?

Run the custom scripts as user data scripts on the Amazon EC2 instances

A company is experiencing stability issues with their cluster of self-managed RabbitMQ message brokers and the company now wants to explore an alternate solution on AWS. As a solutions architect, which of the following AWS services would you recommend that can provide support for quick and easy migration from RabbitMQ?

Amazon MQ

An e-commerce company uses Amazon RDS MySQL DB to store the data. The analytics department at the company runs its reports on the same database. The engineering team has noticed sluggish performance on the database when the analytics reporting process is in progress. As an AWS Certified Solutions Architect - Associate, which of the following would you suggest as the MOST cost-optimal solution to improve the performance?

Create a read-replica with the same compute capacity and the same storage capacity as the primary. Point the reporting queries to run against the read replica

An application is hosted on multiple Amazon EC2 instances in the same Availability Zone (AZ). The engineering team wants to set up shared data access for these Amazon EC2 instances using Amazon EBS Multi-Attach volumes. Which Amazon EBS volume type is the correct choice for these Amazon EC2 instances?

Provisioned IOPS SSD Amazon EBS volumes

The engineering team at an IT company is deploying an Online Transactional Processing (OLTP) application that needs to support relational queries. The application will have unpredictable spikes of usage that the team does not know in advance. Which database would you recommend using?

Amazon Aurora Serverless

To support critical production workloads that require maximum resiliency, a company wants to configure network connections between its Amazon VPC and the on-premises infrastructure. The company needs AWS Direct Connect connections with speeds greater than 1 Gbps. As a solutions architect, which of the following will you suggest as the best architecture for this requirement?

Opt for two separate AWS Direct Connect connections terminating on separate devices in more than one Direct Connect location

The engineering team at a retail company is planning to migrate to AWS Cloud from the on-premises data center. The team is evaluating Amazon Relational Database Service (Amazon RDS) as the database tier for its flagship application. The team has hired you as an AWS Certified Solutions Architect Associate to advise on Amazon RDS Multi-AZ capabilities. Which of the following would you identify as correct for Amazon RDS Multi-AZ? (Select two)

Amazon RDS applies operating system updates by performing maintenance on the standby, then promoting the standby to primary and finally performing maintenance on the old primary, which becomes the new standby, Amazon RDS automatically initiates a failover to the standby, in case primary database fails for any reason

An e-commerce website is migrating towards a microservices-based approach for their website and plans to expose their website from the same load balancer, linked to different target groups with different URLs: checkout.mycorp.com, www.mycorp.com, mycorp.com/products, and mycorp.com/orders. The website would like to use Amazon ECS on the backend to manage these microservices and possibly host the same container of the application multiple times on the same Amazon EC2 instance. Which feature can help you achieve this with minimal effort?

Application Load Balancer + dynamic port mapping

A company is developing a document management application on AWS. The application runs on Amazon EC2 instances in multiple Availability Zones (AZs). The company requires the document store to be highly available and the documents need to be returned immediately when requested. The engineering team has configured the application to use Amazon Elastic Block Store (Amazon EBS) to store the documents but the team is willing to consider other options to meet the availability requirement. As a solutions architect, which of the following will you recommend?

Set up Amazon EBS as the Amazon EC2 instance root volume and then configure the application to use Amazon S3 as the document store

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critical flaw · 98問 · 2年前

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