Assessment

Mock Test 1

1. B

High I/O instances are storage optimized. Examples of this family are H1 (high disk throughput), I3 (high random I/O performance), and D2 (dense storage). EBS-optimized instances have exclusive capacity for I/O operations.

RDS is not compatible with Oracle Enterprise High Availability options because it uses Multi-AZ and access to the OS is limited. Also, note that burstable performance instances are not compatible with EBS optimizations.

This question is focused on the portability of current features and performance only. Costs or managed services are not mentioned in the question.

References:

• • Amazon EC2 Instance Types: https://aws.amazon.com/ec2/instance-types/
  • Amazon RDS Instance Types: https://aws.amazon.com/rds/instance-types/
  • Amazon RDS for Oracle Database FAQs: https://aws.amazon.com/rds/oracle/faqs/
  • Instances optimized for Amazon EBS: https://docs.aws...

Mock Test 2

1. B

   Versioning stores a separate copy of every object on S3 whenever a change is made to the object. As a result, additional storage is required for multiple versions of the same object which will, in turn, increase S3 costs

2. C
3. A and C
   To create a public subnet you must create an IGW, attach it your Public subnet and configure your route tables accordingly to point to the internet via your IGW.
4. D
   RTO is defined as the maximum amount of time in which a service can remain unavailable before it's classed as damaging to the business. The smaller the RTO the more it generally costs in preparation to achieve by having additional resources running ready to take the load in the event of a failure.
5. B
   CSE-KMS—client-side encryption with KMS managed keys. This option uses keys managed by AWS using the KMS service, but also ensures that the encryption of the object...