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Area I: Information SystemsCloud ComputingContainersArea I

CPA · Question 79 · Area I: Information Systems

A company uses 'Containerization' (e.g., Docker) for its applications. What is a key security benefit of containers compared to traditional virtual machines?

Answer options:

A.

They are completely immune to malware.

B.

They provide isolation of applications while sharing the OS kernel, though this also presents a shared kernel risk.

C.

They do not require patching.

D.

They encrypt all data by default.

How to approach this question

Containers = Lightweight isolation. Shared Kernel = Risk.

Full Answer

B.They provide isolation of applications while sharing the OS kernel, though this also presents a shared kernel risk.✓ Correct
Containers provide a lightweight mechanism to isolate applications from one another, reducing the attack surface of the application, although the shared kernel remains a single point of failure if compromised.

Common mistakes

Thinking containers are more secure than VMs (VMs have better isolation).

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