AWS Messaging and Integration Services

Question 1

What is Simple Queue Service (SQS)?

Answer 1

SQS is a message queuing service that allows you to build loosely coupled systems.

• Allows component-to-component communication using messages
• Multiple components (or producers) can add messages to the queue
• Messages are processed in an asynchronous manner
• Messages in queues are processed in FIFO order.

Question 2

What is Simple Queue Service (SQS) real wirld usecase?

Answer 2

SQS lets you build an app that is loosely coupled, allowing components to send, store, and receive messages. The use of a messaging queue helps to improve performance and scalability.

Question 3

What is Simple Notification Service (SNS)?

Answer 3

SNS allows you to send emails and text messages from your applications.

• Send email and text messages
• Publish messages to a topic
• Subscribers receive messages

Question 4

What is Simple Notification Service (SNS) real world usecase?

Answer 4

SNS works with CloudWatch when an alarm’s metric threshold is breached to send an email.

Question 5

What is Simple Email Service (SES)?

Answer 5

SES is an email service that allows you to send richly formatted HTML emails from your applications.

• Ideal choice for marketing campaigns or professional emails
• Unlike SNS, SES sends HTML emails

Question 6

What is Simple Email Service (SES) real world usecase?

Answer 6

SES allows you to send richly formatted HTML emails in bulk and gain valuable insights about the effectiveness of your campaign.