SQS,SNS,Elastic Beanstalk,CloudFormation Flashcards Preview

AWS Certified Developer Associate > SQS,SNS,Elastic Beanstalk,CloudFormation > Flashcards

Flashcards in SQS,SNS,Elastic Beanstalk,CloudFormation Deck (14)
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1
Q

Default visibility timeout

A

30 seconds

2
Q

Max visibility timeout of a message in queue

A

12 hours

3
Q

API call to update the message visibility timeout

A

ChangeMessageVisibility

4
Q

How can you stop constant polling or save money when polling SQS queues

A

SQS Long Polling - does not return a response until a message arrives in the queue

5
Q

Maximum Long Poll Time Out

A

20 seconds

6
Q

How to you fan out SQS queues

A

Create an SNS topic then create and subscribe multiple SQS queues to the topic. After that any messages sent to the SNS topic this message will be fanned out or delivered to all of the SQS queues.

7
Q

What is the max retention period of a message?

A

14 days

8
Q

How large can a SQS message be?

A

256KB

9
Q

T/F - SNS is a pull based service

A

False

10
Q

What protocols are supported by SNS

A

HTTP, HTTPS, Email, EMail-JSON, SQS, Applicaiton

11
Q

T/F - SNS message can be customized for each protocol

A

True

12
Q

When using CloudFormation to create a virtual data center and you need to output the DNS name of your load balancer what command would you use?

A

FN::GetAtt

13
Q

What is the default scripting notation for CloudFormation

A

JSON

14
Q

What can Elastic Beanstalk come preconfigured with

A

IIS, Node.js, PHP, Python, Ruby, Tomcat, Docker (Glassfish and Python)