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

Doug has created a VPC with CIDR 10.201.0.0/16 in his AWS account. In this VPC he has created a public subnet with
CIDR block 10.201.31.0/24. While launching a new EC2 from the console, he is not able to assign the private IP address
10.201.31.6 to this instance. Which is the most likely reason for this issue?

In relation to Amazon SQS, how many queues and messages can you have per queue for each user?

What kind of service is provided by AWS DynamoDB?

An organization has launched two applications: one for blogging and one for ECM on the same AWS Linux EC2 instance
running in the AWS VPC. The organization has attached two private IPs (primary and secondary) to the above mentioned
instance. The organization wants the instance OS to recognize the secondary IP address. How can the organization
configure this?

In relation to Amazon SQS, how can you ensure that messages are delivered in order?

What happens if your application performs more reads or writes than your provisioned capacity?

A user has created a queue named “myqueue” with SQS. There are four messages published to queue which are not
received by the consumer yet. If the user tries to delete the queue, what will happen?

A user has not enabled versioning on an S3 bucket. What will be the version ID of the object inside that bucket?

A user plans to use RDS as a managed DB platform. Which of the below mentioned features is not supported by RDS?