CPA Cloud Infrastructure 2

Question 1

Which cloud storage class is MOST cost-effective for data that is accessed less than once per year?

Accepted Answer

Archive/Glacier storage

Answer

Archive storage (e.g., AWS Glacier) offers the lowest cost for data that is rarely accessed, at the expense of higher retrieval latency.

Question 2

In cloud networking, what does a VPC (Virtual Private Cloud) primarily provide?

Accepted Answer

An isolated virtual network segment within the public cloud

Answer

A VPC gives users a logically isolated section of the cloud where they can launch resources in a defined virtual network.

Question 3

Which autoscaling policy adds or removes instances based on a scheduled time rather than real-time metrics?

Accepted Answer

Scheduled scaling

Answer

Scheduled scaling adjusts capacity at predetermined times, useful for known traffic patterns like business-hours spikes.

Question 4

What is the purpose of a cloud region's Availability Zone (AZ)?

Accepted Answer

To provide isolated data centers within a region for fault tolerance

Answer

Availability Zones are physically separate data centers within a region, designed so failures in one AZ don't affect others.

Question 5

A developer deploys an application that needs to store user session data accessible by multiple app servers. Which cloud service type is BEST suited?

Accepted Answer

In-memory distributed cache (e.g., Redis)

Answer

An in-memory distributed cache like Redis provides fast, shared session storage accessible across multiple application servers.

(CPA) Certified Associate Programmer Practice Test