AWS Cloud Computing Fundamentals 5

Question 1

Which AWS tool helps estimate the monthly cost of an AWS solution before deployment?

Accepted Answer

AWS Pricing Calculator

Answer

The AWS Pricing Calculator lets you model your architecture and generate a cost estimate before you commit to any services.

Question 2

What is the concept of 'fault tolerance' in cloud architecture?

Accepted Answer

The ability of a system to continue operating even if one or more components fail

Answer

Fault tolerance means a system remains operational without interruption even when individual components experience failures.

Question 3

Which of the following is an example of vertical scaling (scaling up) in AWS?

Accepted Answer

Switching from a t3.medium to a t3.2xlarge instance type

Answer

Vertical scaling means increasing the power of an existing resource, such as changing to a larger instance type with more CPU and RAM.

Question 4

What does the term 'multi-tenant' mean in public cloud environments?

Accepted Answer

Multiple customers share the same underlying physical infrastructure

Answer

Multi-tenancy means multiple customers' workloads run on shared physical hardware, with logical isolation provided by virtualization.

Question 5

Which AWS service would you use to send automated email and SMS notifications triggered by AWS events?

Accepted Answer

Amazon SNS

Answer

Amazon SNS (Simple Notification Service) is a pub/sub messaging service that can fan out notifications via email, SMS, HTTP, and other protocols.

AWS Practice Test