AWS Certified Cloud Practitioner / Question #1217 of 719

Question #1217

A company is evaluating its responsibilities under the AWS shared responsibility model regarding Amazon EC2 instances. Which tasks are the company's responsibility? (Choose two.)

A

Maintain the virtualization layer.

B

Manage application security.

C

Replace faulty physical hardware.

D

Configure security group rules.

E

Ensure availability of EC2 services.

Explanation

The correct answers are B and D. In the AWS shared responsibility model:
- B: Manage application security is the customer's responsibility. This includes securing applications, data, and access controls.
- D: Configure security group rules falls under network security, which customers must manage by defining inbound/outbound traffic rules.

Other options are AWS's responsibility:
- A: Virtualization layer (AWS manages the hypervisor).
- C: Physical hardware maintenance (AWS handles hardware replacements).
- E: EC2 service availability (AWS ensures infrastructure reliability).

Key takeaway: Customers handle logical access, data, and application security; AWS manages physical infrastructure and foundational services.

Answer

The correct answer is: BD