8. Shattershot

critical flaw · 98問 · 2年前

通報

問題一覧

What is a benefit of Amazon EC2 compared to traditional servers?

You can scale elastic within minutes

How can you run commands on an Amazon EC2 instance at launch time?

With user data

Which service allows you to run Docker containers on AWS?

Amazon ECS

Which service is good for running compute workloads for people who don't have technical expertise with AWS?

Amazon LightSail

A company is looking for a computing solution that gives them control over the operating system and instance type. They’re looking for a service that only charges for what they use. Which of the following would you recommend they use?

EC2

What is a defining feature of microservice applications?

Being loosely coupled

Amazon S3 is an example of what type of storage system?

Object

With Amazon S3, objects are stored in which type of root-level container?

A bucket

Amazon Elastic Block Store (EBS) volumes are stored within which construct?

An availability zone

Which storage service can be used on-premises to access cloud storage?

AWS Storage Gateway

With default settings, what will happen to a root EBS volume when the Amazon EC2 instance is terminated?

It will be deleted

Which Amazon Machine Image can be used to mount an Amazon Elastic File System (EFS) file system?

Amazon Linux 2 AMI

Which storage device is physically attached to the Amazon EC2 host servers?

Instance Store volume

Which Amazon S3 storage class is used for archiving data for long term retention?

S3 Glacier Deep Archive

Which storage service is used by Amazon EC2 instances for the root volume?

Amazon Elastic Block Store (EBS)

How can a company enable elasticity for an application running on Amazon EC2?

By using Amazon EC2 Auto Scaling

Which type of Elastic Load Balancer can direct traffic based on the domain name?

Application Load Balancer

How does Amazon EC2 Auto Scaling assist with cost-effectiveness?

By launching and terminating instances as demand changes

How does Elastic Load Balancing (ELB) assist with fault tolerance?

By distributing connections to multiple back-end instances

Which of the following statements is INCORRECT about Elastic Load Balancing?

ELB can distribute connections across regions

What does Elastic Load Balancing use to ensure instances are available?

Health Checks

Which type of Elastic Load Balancer routes connections based on IP protocol data at layer 4 only?

Network Load Balancer

What type of template is used by Amazon EC2 Auto Scaling to define instance family, AMI key pair, and security groups?

Launch Configuration

Which services does Amazon Route 53 provide?

Health checking, DNS, domain registration

In Amazon Route 53, what is the name for the configuration item that holds a collection of records belonging to a domain?

Hosted zone

An application needs to send SMS text messages to customers to notify them of product updates. Which service can be used?

Amazon Simple Notification Service

A company needs to orchestrate several batch processes on AWS. Which serverless service can assist?

AWS Step Functions

How can a company decouple an application which uses a message-oriented API to communicate data between application components?

Create an Amazon SQS queue

How can an application be configured to send a notification to multiple Amazon SQS queues?

Use an Amazon SNS topic

Which of the following is NOT a benefit of AWS Lambda?

Multiple instance types to choose from

What is a defining feature of serverless technology?

No instance to manage

Which of the following is a benefit of Lambda?

No servers to manage

Which application service is best suited for “human-enabled” workflows?

Amazon SWF

Which service makes it easier to build event-driven applications?

Amazon EventBridge

What is the scope of an Amazon VPC?

A region

Which type of firewall operates at the instance level?

A security group

How can an organization create a private hybrid cloud connection between their on-premises data center and the AWS Cloud?

AWS Direct Connect

Which type of public IP address is retained when the instance is stopped?

Elastic IP address

Which AWS-managed network service can be used to enable Internet connectivity for EC2 instances in private subnets?

NAT Gateway

A company needs a network connection to the AWS cloud with predictable performance. What should they use?

AWS Direct Connect

What type of information does VPC peering use to route traffic from one VPC to another?

Private IP addresses

Amazon Relational Database Service (RDS) is an example of what type of database?

Online transaction processing (OLTP)

Which AWS database service offers seamless horizontal scaling?

Amazon DynamoDB

How can fault tolerance be added to an Amazon RDS database?

Using multi-AZ

How can an organization enable microsecond latency for a DynamoDB database?

Using DynamoDB Accelerator (DAX)

Which AWS database service is a relational, data warehouse?

Amazon RedShift

Why might an organization decide to move an on-premises database to Amazon RDS?

To reduce operational overhead

How do you increase the capacity of an Amazon RDS database?

Scaling vertically, by changing instance type

Amazon DynamoDB is good for which use case?

Unstructured data, flexible schema

Which service can be used to analyze data on Amazon S3 using serverless SQL queries?

Amazon Athena

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