Messaging and Integration Services Flashcards

1
Q

What are queues used for?

A

To implement loosely coupled systems
FIFO

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2
Q

What is SQS

A

Simple Queue Service = a message queuing service
Messages processed asynchronously
supports loose coupling

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3
Q

How could SQS be used?

A

Money transfer app

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4
Q

What are the benefits of using a messaging queue?

A

Improves performance and scalability

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5
Q

What is SNS?

A

Simple Notification Service = send emails and texts from apps
can publish to a topic
subscribers can receive messages

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6
Q

Real world use case

A

Want to send an email when CPU utilization of an EC2 instance goes above 80%
SNS works with CloudWatch to monitor threshold

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7
Q

What is SES?

A

Simple Email Service = send richly formatted HTML emails from your apps
Ideal for marketing
track open and click-through rates

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8
Q
A
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