A Company Runs an Application with an Amazon EC2 and On-Premises

question 178

Multiple Choice

A company runs an application with an Amazon EC2 and on-premises configuration. A DevOps Engineer needs to standardize patching across both environments. Company policy dictates that patching only happens during non-business hours. Which combination of actions will meet these requirements? (Choose three.)

• A) Add the physical machines into AWS Systems Manager using Systems Manager Hybrid Activations.
• B) Attach an IAM role to the EC2 instances, allowing them to be managed by AWS Systems Manager.
• C) Create IAM access keys for the on-premises machines to interact with AWS Systems Manager.
• D) Execute an AWS Systems Manager Automation document to patch the systems every hour.
• E) Use Amazon CloudWatch Events scheduled events to schedule a patch window.
• F) Use AWS Systems Manager Maintenance Windows to schedule a patch window.

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Definitions:

Independent Variable

In research, a variable that is manipulated or changed to observe its effects on a dependent variable.

Experimental Method

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Independent Variable

The variable in an experiment that is manipulated to observe its effect on a dependent variable.

Positive Correlation Coefficient

A statistical measure indicating that as one variable increases, the other variable tends to increase as well.