Where can PortMapping be defined when launching containers in Amazon ECS?

The user has created multiple AutoScaling groups. The user is trying to create a new AS group but it fails. How can the user know that he has reached the AS group limit specified by AutoScaling in that region?

An organization has 500 employees. The organization wants to set up AWS access for each department.
Which of the below mentioned options is a possible solution?

An application stores payroll information nightly in DynamoDB for a large number of employees across
hundreds of offices. Item attributes consist of individual name, office identifier, and cumulative daily hours.
Managers run reports for ranges of names working in their office. One query is. "Return all Items in this
office for names starting with A through E". Which table configuration will result in the lowest impact on
provisioned throughput for this query?

Does Amazon RDS allow direct host access via Telnet, Secure Shell (SSH), or Windows Remote Desktop Connection?