What is the maximum retention period for messages in an Amazon SQS queue?

• 1 day

• 7 days

• 14 days

• 30 days

Which of the following best describes Amazon SQS?

• A managed database for message persistence

• A distributed message queuing service

• A serverless compute service for event-driven workloads

• A load balancer for distributing traffic

Which of the following is NOT a valid Amazon SNS subscriber protocol?

• Email/Email-JSON

• SMS

• HTTP/HTTPS

• SFTP

What is the primary purpose of Amazon SNS?

• To queue messages for batch processing

• To send notifications to multiple subscribers at once

• To monitor AWS resources for metrics

• To store structured data

Which type of SQS queue guarantees that messages are processed exactly once and in order?

• Standard Queue

• FIFO Queue

• Dead-letter Queue

• Priority Queue

In Amazon SQS, what does the "Visibility Timeout" refer to?

• The amount of time before a message is deleted from the queue

• The duration a message is hidden from other consumers after being read

• The maximum time a message can stay in the queue

• The delay before a message becomes visible in the queue

What is the maximum message size allowed in Amazon SQS (without extended payloads)?

• 64 KB

• 128 KB

• 256 KB

• 1 MB

Which feature should you use if you want to handle messages that cannot be processed successfully after multiple attempts?

• Dead-letter Queue

• Delay Queue

• FIFO Queue

• Message Group ID

How does Amazon SQS Standard Queue handle message ordering?

• Always guarantees strict order

• Guarantees order only within a single consumer

• Provides best-effort ordering

• Provides random ordering

What is a "topic" in Amazon SNS?

• A queue where messages are stored

• A logical access point for publishing and subscribing messages

• A filter for controlling message size

• A batch of delivered messages