1. Select statement that best describes elasticity in the cloud.

A) Elasticity is the ability of a system to recover from the failure of a single component.
B) Elasticity is a model of code development that results in faster deployment cycles.
C) Elasticity is the ability to scale your resources up or down and only pay for what you use.
D) Elasticity is an iterative approach to project management and software development that helps teams deliver value to their customers faster with lower operating costs.



2. Which of the following Amazon RDS features can prevent data loss in the event of an Availability Zone failure? (Select 2)(Select 2answers)

A) Vertical scaling
B) Multi-AZ Deployment
C) Read replicas
D) Snapshots



3. Your company has enabled automatic key rotation for an existing Customer Master Key (CMK) where the customer manages the backing key. When is the CMK rotated?

A) After 3 years
B) After 1 year
C) After 1 month
D) After 30 days



4. As a Cloud Architect, you are creating a scalable application using AWS Auto Scaling. What do you need to configure auto scaling? (select 2)(Select 2answers)

A) You need to create an automated scaling listener.
B) You need to create an Auto Scaling group.
C) You need to create a launch template.
D) You need to create a Lambda function to launch new instances based on Amazon CloudWatch metrics.



5. Select all the benefits of batch computing (using AWS Batch). (select 3)(Select 3answers)

A) Batch computing can avoid idling compute resources with frequent manual intervention and supervision.
B) It enables the prioritization of jobs, aligning resource allocation with business objectives.
C) It increases costs.
D) It decreases efficiency.
E) You can shift the time of job processing to periods when greater or less expensive capacity is available.