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Amazon Cloud Certified Professional > Section 13 - Cloud integrations > Flashcards

Section 13 - Cloud integrations Flashcards

1
Q
  1. Synchronous communication
  2. Asynchronous communication

A - communication is application to application
B - communication is triggered by some type of event and the communication involves some type of queue

A

1 - A
2 - B

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2
Q

Amazon’s oldest offering, one of the first services offered, a queue based service

A

Amazon SQS

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3
Q

If you see “decoupled” on the exam, what service should you think of?

A

Amazon SQS

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4
Q

Amazon SQS is a (managed/non managed) service

A

managed

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5
Q

SQS scales from x message per second to x per second

A

1 message per second to 10,000 per second

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6
Q

SQS messages are retained from x days to a maximum of xx days

A

4 days, to a maximum of 14 days

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7
Q

what is the limit of how many messages can be stored in the SQS queue

A

there is no limit

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8
Q

After SQS messages are read by customers they are (cached/deleted)

A

deleted

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9
Q

SQS messages are (high/low) latency (<xx ms on publish and recieve)

A

low latency / <10 ms on publish and receive

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10
Q

Does SNS retain messages that are sent via the service?

A

No

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11
Q

Which service is a pub/sub messaging service?

A

AWS SNS

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12
Q

Which service is used for real time analysis on data streaming (i.e. video streams)?

A

AWS Kinesis

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13
Q

what is pub/sub short for?

A

publish/subscribe

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14
Q

What two services are associated with “decoupling”?

A

AWS SQS and AWS SNS

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15
Q

In a pub/sub type service, are all messages sent to a queue or instantly received by all subscribers?

A

all messages are instantly received by all subscribers

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16
Q

Which principle is mainly applied when using Amazon SQS or Amazon SNS?
Scalability
Automation
Decouple your applications

A

decouple your applications

17
Q

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?
AWS SNS
AWS SQS
Auto Scaling Group (asg)

A

AWS SQS

18
Q

What type of application is this?

A d________ application architecture allows each component to perform its tasks independently - it allows components to remain completely autonomous and unaware of each other. A change in one service shouldn’t require a change in the other services.

A

decoupled

19
Q

consumers share the work to r___ messages and scale horizontally

A

read

20
Q

A data c_______ can be any user, application, or system that uses data collected by another system or stored in a data repository. Within an organization or a company, many systems can be considered data p________ as they collect or generate data that is stored to be later used by data c________.

A

consumers / producers / consumers

21
Q

What does Amazon SNS stand for? SQS?

A

Simple Notification Service / Simple Queue Service

22
Q

“Event publishers” sends message to (many/ a few / one) SNS topic

A

one

23
Q

What is the limit to the number of “event subscribers” that can listen to an SNS topic?
theoretical limit -
default limit -
practical limit -

A

no theoretical limit
default - 10,000
practical - 12,500,000

24
Q

Subscribers to SNS messages will get (random / all) messages

A

all

25
Q

AWS SMS - what is the limit to number of topics allowed?

A

100,000

26
Q

in AWS SQS, consumers (get every message / share who gets the message).

A

share who gets the message

27
Q

When migrating to the cloud, instead of re-engineering the application to use SQS and SNS, this service can be used

A

Amazon MQ

28
Q

This service is a managed message broker service for two on prem technologies, RabbitMQ and ActiveMQ

A

Amazon MQ

29
Q

How does scaling for Amazon MQ compare to SQS and SNS?

A

It doesn’t scale as much

30
Q

These are all potential subscribers of what Amazon messaging service? Email, SMS, Lambda, SQS

A

AWS SNS

Amazon Cloud Certified Professional (21 decks)

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