AWS AWS Application Integration and Messaging 2

Question 1

Which AWS service acts as a serverless event bus that connects application data from your own apps, SaaS apps, and AWS services?

Accepted Answer

Amazon EventBridge

Answer

Amazon SNS

Answer

Amazon SQS

Answer

AWS AppSync

Question 2

What does Amazon API Gateway primarily provide for developers?

Accepted Answer

A fully managed service for creating, publishing, and securing APIs

Answer

A managed VPN service

Answer

An in-memory caching layer for APIs

Answer

A DNS management service

Question 3

Which AWS service provides managed Apache ActiveMQ and RabbitMQ message brokers for migrating traditional message brokers to the cloud?

Accepted Answer

Amazon MQ

Answer

Amazon SQS

Answer

Amazon SNS

Answer

AWS EventBridge

Question 4

What is the visibility timeout in Amazon SQS?

Accepted Answer

The period during which a received message is hidden from other consumers

Answer

The time a message is retained in the queue

Answer

The delay before a new message becomes visible

Answer

The time allowed to process a batch of messages

Question 5

Which AWS service enables you to build real-time, bidirectional communication applications using WebSockets via API Gateway?

Accepted Answer

API Gateway WebSocket APIs

Answer

Amazon Kinesis Data Streams

Answer

AWS AppSync Subscriptions

Answer

Amazon SNS Mobile Push

Question 6

In AWS Step Functions, what is the difference between Standard and Express Workflows?

Accepted Answer

Standard is for long-running workflows up to 1 year; Express is for high-volume, short-duration workflows

Answer

Standard supports more states; Express has fewer state types

Answer

Standard is free; Express has per-execution charges

Answer

Standard uses JSON; Express uses YAML