Regarding Amazon SQS, are there restrictions on the names of Amazon SQS queues?

A.
No

B.
Yes. Queue names must be unique within an AWS account and you cannot use hyphens (-) and underscores (_)

C.
Yes. Queue names are limited to 80 characters and queue names must be unique within an AWS account

D.
Yes. Queue names are limited to 80 characters but queue names do not need to be unique within an AWS account

Explanation:
Queue names are limited to 80 characters. Alphanumeric characters plus hyphens (-) and underscores (_) are allowed.
Queue names must be unique within an AWS account. After you delete a queue, you can reuse the queue name.
https://aws.amazon.com/sqs/faqs/