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Which table configuration will result in the lowest impact on provisioned throughput for this query?

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?

How can Company B reduce the number of empty responses?

Company B provides an online image recognition service and utilizes SOS to decouple
system components for scalability The SQS consumers poll the imaging queue as often as
possible to keep end-to-end throughput as high as possible. However, Company B is
realizing that polling in tight loops is burning CPU cycles and increasing costs with empty
responses. How can Company B reduce the number of empty responses?

Which of the following steps could resolve the issue?

After launching an instance that you intend to serve as a NAT (Network Address Translation) device in a public
subnet you modify your route tables to have the NAT device be the target of internet bound traffic of your
private subnet. When you try and make an outbound connection to the internet from an instance in the
private subnet, you are not successful. Which of the following steps could resolve the issue?


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