Sec. 13: Cloud Integrations

A company using Apache ActiveMQ is migrating to the cloud. Which AWS service can it use to easily set up and operate its message brokers in the cloud?

• SQS

• SNS

• MQ

• Kinesis

Answer explanation

Amazon MQ is a managed message broker service for Apache ActiveMQ and RabbitMQ that makes it easy to set up and operate message brokers in the cloud.

Which service is a fully managed pub/sub messaging service that makes it easy to set up, operate, and send notifications from the cloud, using a push-based system?

• Simple Notification Service (SNS)

• Simple Queue Service (SQS)

• Auto Scaling Groups (ASG)

Answer explanation

Amazon Simple Notification Service (SNS) is a highly available, durable, secure, fully managed pub/sub messaging service that enables you to decouple microservices, distributed systems, and serverless applications. It uses a push-based system.

You can use Kinesis to perform real-time analysis from video streams.

• True

• False

Answer explanation

Amazon Kinesis makes it easy to collect, process, and analyze real-time, streaming data so you can get timely insights and react quickly to new information. Kinesis offers four services: Data Firehose, Data Analytics, Data Streams, Video Streams.

Which principle is mainly applied when using Amazon SQS or Amazon SNS?

• Scalability

• Automation

• Decouple your applications

Answer explanation

When using SQS or SNS, you apply the "decouple your applications” principle. This means that IT systems should be designed in a way that reduces interdependencies—a change or a failure in one component should not cascade to other components.

Which service allows you to send, store, and receive messages between software components at any volume, without losing messages or requiring other services to be available, using a pull-based system?

• Simple Notification Service (SNS)

• Simple Queue Service (SQS)

• Auto Scaling Groups (ASG)

Answer explanation

Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. It uses a pull-based system.