CLF-C02 Cloud Concepts & AWS Core Services 3

Question 1

A company is evaluating cloud providers and wants to benefit from the massive purchasing power AWS has built through millions of customers. Which cloud advantage does this describe?

Accepted Answer

Benefit from massive economies of scale

Answer

AWS aggregates usage from hundreds of thousands of customers, achieving economies of scale that result in lower pay-as-you-go prices.

Question 2

Which AWS storage class is designed for data that is accessed less than once a month and offers the lowest storage cost in S3?

Accepted Answer

S3 Glacier Deep Archive

Answer

S3 Glacier Deep Archive is the lowest-cost S3 storage class, designed for long-term retention of data accessed rarely (once or twice a year).

Question 3

Which AWS networking component acts as a virtual firewall controlling inbound and outbound traffic at the instance level?

Accepted Answer

Security Group

Answer

Security Groups are stateful virtual firewalls applied to EC2 instances that control inbound and outbound traffic at the instance level.

Question 4

A company wants to decouple application components so that a failure in one component does not affect others. Which AWS service best supports this pattern?

Accepted Answer

Amazon SQS

Answer

Amazon SQS (Simple Queue Service) decouples components by storing messages in a queue, so producers and consumers operate independently.

Question 5

What is an AWS Region?

Accepted Answer

A collection of Availability Zones in a geographic area

Answer

An AWS Region is a separate geographic area containing multiple, isolated Availability Zones that are physically separated data centers.

(CLF-C02) AWS Certified Cloud Practitioner Practice Test

(CLF-C02) AWS Certified Cloud Practitioner Practice Test

CLF-C02 Cloud Concepts & AWS Core Services 3