Mock Test 1

  1. An enterprise customer is migrating his Oracle database and the DBA has stated that on AWS we need to have 10,000 IOPS in order to satisfy the performance demands. Replication is done via Oracle Data Guard and this must work in the cloud too. What instance type would you choose for this requirement?

A. Dense Storage Instances B. High I/O instances C. Memory Optimized Instances D. RDS db.t2.xlarge

  1. A distributed application is using SQS to send 350 messages per second. Client applications receive empty responses and experience high CPU processing from workers. How could you solve this issue in the simplest way?

A. Change the WaitTimeSeconds attribute to a value greater than zero in the ReceiveMessage API call B. Set the ReceiveMessageWaitTimeSeconds ...

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