Day 3 - Cloud Terminology

A Disaster Recovery Strategy on AWS should be based on launching resources in a separate :

Edge Location

AWS Region

Security Group

VPC

When designing a highly available architecture, what is the difference between vertical scaling (scaling up) and horizontal scaling (scaling out)?

Scaling out is not cost-effective compared to scaling up

Scaling up adds more resources to an instance, scaling out adds more instances

Scaling out adds more resources to an instance, scaling up adds more instances

Scaling vertically is non disruptive

Which of the following is a benefit of running an application across two Availability Zones?

Performance is improved over running in a single Availability Zone.

It is more secure than running in a single Availability Zone.

It significantly reduces the total cost of ownership versus running in a single Availability Zone.

It increases the availability of an application compared to running in a single Availability Zone.

You are planning to serve a web application on the AWS Platform by using EC2 Instances. Which of the below principles would you adopt to ensure that even if some of the EC2 Instances crashes , you still have a working application

Using a scalable system

Using an elastic system

Using a regional system

Using a fault tolerant system

Which of the following is not a disaster recovery deployment technique ?

Pilot light

Warm standby

Single Site

(Hot standby) Multi-Site

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