11. Cloud Integration

Question 1

What are the two main patterns of application communication?

Answer 1

Synchronous communication and Asynchronous/Event-based communication.

Question 2

True or False: Synchronous communication is ideal for handling traffic spikes.

Answer 2

False

Question 3

Fill in the blank: SQS, SNS, and Kinesis allow applications to _____ independently.

Answer 3

scale

Question 4

What AWS service is used for queue-based messaging to decouple applications?

Answer 4

Amazon SQS (Simple Queue Service)

Question 5

Define the main purpose of Amazon SNS.

Answer 5

SNS is a notification service that sends messages to multiple receivers (subscribers).

Question 6

What does FIFO stand for in Amazon SQS FIFO queue?

Answer 6

First In First Out

Question 7

Which service is suitable for handling real-time big data streaming?

Answer 7

Amazon Kinesis

Question 8

True or False: Amazon SQS messages are retained indefinitely.

Answer 8

False

Question 9

Which service is used for publish/subscribe (pub/sub) messaging?

Answer 9

Amazon SNS

Question 10

What AWS service can integrate with traditional protocols like MQTT and AMQP?

Answer 10

Amazon MQ

Question 11

How does Amazon SNS handle message delivery to multiple subscribers?

Answer 11

It sends each message to all subscribed endpoints.

Question 12

True or False: Amazon SQS supports both Standard and FIFO queues.

Answer 12

True

Question 13

What type of data streaming does Kinesis specialize in?

Answer 13

Real-time data streaming

Question 14

Fill in the blank: The Kinesis _____ service enables real-time analytics on streaming data.

Answer 14

Kinesis Data Analytics

Question 15

What is the main difference between SQS and SNS in terms of message handling?

Answer 15

SQS is for queueing messages (one-to-one), while SNS is for broadcasting to multiple subscribers (one-to-many).

Question 16

Which Amazon Kinesis component is used for loading data into AWS storage services?

Answer 16

Kinesis Data Firehose

Question 17

True or False: Amazon MQ is built to handle the same level of scalability as SQS and SNS.

Answer 17

False

Question 18

What advantage does Amazon SQS offer for handling application traffic spikes?

Answer 18

It allows applications to queue and process messages asynchronously, helping manage variable loads.

Question 19

Name a scenario where using SNS would be more beneficial than SQS.

Answer 19

Sending notifications to multiple services or users, like updates for multiple teams.

Question 20

Which AWS service allows for message ordering in queue processing?

Answer 20

Amazon SQS FIFO Queue

Question 21

True or False: In Amazon SNS, each subscriber receives all messages published to a topic.

Answer 21

True

Question 22

What happens to a message in an SQS queue after it is read by a consumer?

Answer 22

It is deleted from the queue.

Question 23

How many days can messages be retained in Amazon SQS by default?

Answer 23

4 days (with a maximum of 14 days)

Question 24

Which Kinesis service would be ideal for analyzing data streams using SQL queries?

Answer 24

Kinesis Data Analytics

Question 25

Fill in the blank: Amazon _____ is used when on-premises applications need a managed message broker in the cloud.

Answer 25

Amazon MQ

Question 26

What is the main purpose of using AWS messaging services like SQS and SNS?

Answer 26

To decouple applications, manage communication, and handle different messaging patterns.