AWS Certified Data Engineer Associate · Free Practice Question Medium
Question 64
The data engineering team at an e-commerce company wants to migrate from Amazon Simple Queue Service (Amazon SQS) Standard queues to FIFO (First-In-First-Out) queues with batching.
Which of the following steps would you have in the migration checklist? (Select three)
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A
Delete the existing standard queue and recreate it as a FIFO (First-In-First-Out) queue
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B
Make sure that the throughput for the target FIFO (First-In-First-Out) queue does not exceed 3,000 messages per second
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C
Make sure that the name of the FIFO (First-In-First-Out) queue is the same as the standard queue
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D
Convert the existing standard queue into a FIFO (First-In-First-Out) queue
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E
Make sure that the name of the FIFO (First-In-First-Out) queue ends with the .fifo suffix
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F
Make sure that the throughput for the target FIFO (First-In-First-Out) queue does not exceed 300 messages per second
Reveal correct answers
Correct answers: A, B, E
Explanation
Correct options:
Delete the existing standard queue and recreate it as a FIFO (First-In-First-Out) queue
Make sure that the name of the FIFO (First-In-First-Out) queue ends with the .fifo suffix
Make sure that the throughput for the target FIFO (First-In-First-Out) queue does not exceed 3,000 messages per second
Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. Amazon SQS eliminates the complexity and overhead associated with managing and operating message-oriented middleware, and empowers developers to focus on differentiating work. Using Amazon SQS, you can send, store, and receive messages between software components at any volume, without losing messages or requiring other services to be available.
Amazon SQS offers two types of message queues. Standard queues offer maximum throughput, best-effort ordering, and at-least-once delivery. SQS FIFO queues are designed to guarantee that messages are processed exactly once, in the exact order that they are sent.
By default, FIFO queues support up to 3,000 messages per second with batching, or up to 300 messages per second (300 send, receive, or delete operations per second) without batching. Therefore, using batching you can meet a throughput requirement of up to 3,000 messages per second.
The name of a FIFO queue must end with the .fifo suffix. The suffix counts towards the 80-character queue name limit. To determine whether a queue is FIFO, you can check whether the queue name ends with the suffix.
If you have an existing application that uses standard queues and you want to take advantage of the ordering or exactly-once processing features of FIFO queues, you need to configure the queue and your application correctly. You can't convert an existing standard queue into a FIFO queue. To make the move, you must either create a new FIFO queue for your application or delete your existing standard queue and recreate it as a FIFO queue.
Incorrect options:
Convert the existing standard queue into a FIFO (First-In-First-Out) queue - You cannot convert a standard queue into a FIFO queue.
Make sure that the name of the FIFO (First-In-First-Out) queue is the same as the standard queue - The name of a FIFO queue must end with the .fifo suffix.
Make sure that the throughput for the target FIFO (First-In-First-Out) queue does not exceed 300 messages per second - By default, FIFO queues support up to 3,000 messages per second with batching.
References:
https://aws.amazon.com/sqs/faqs/
https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/FIFO-queues.html
Discussion
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