- What are the two types of queues supported by SQS?
- What is the performance limitation of the FIFO queue?
- What protocol does SQS use to deliver messages?
- What is the visibility timeout?
- When reading a message, what metadata is delivered alongside the body?
- Which piece of metadata is needed to delete the message?
- You have built an application that sends and processes exactly 10 messages per second. Your application has been working fine for days, but now you discover that there are over 100 messages in the queue and the number is growing. What might be the problem?
- You have purged the queue and would like to recover the purged messages. How can you achieve this?
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