Module 2

Question 1

Availability Zone

Answer 1

One or more data centers that house many servers. Each Region has multiple, isolated locations known as Availability Zones. Each Availability Zone is isolated, but the Availability Zones in a Region are connected through low-latency links. An Availability Zone is represented by a Region code followed by a letter identifier, for example, us-east-1a.

Question 2

Edge Location

Answer 2

A site where data can be stored for lower latency. Often, edge locations will be close to high-population areas that will generate high-traffic volumes.

Question 3

Infrastructure as a service (IaaS)

Answer 3

A model in which virtual machines and servers are used for customers to host a wide range of applications and IT services are provided.

Question 4

Latency

Answer 4

The delay before a transfer of data begins after the data has been requested.

Question 5

Platform as a service (PaaS)

Answer 5

A model that provides a virtual platform for customers to create custom software.

Question 6

Region

Answer 6

An area where data is stored. Data storage in a Region closest to you is one of the reasons it can be accessed at lightning speed.

Question 7

Software as a service (SaaS)

Answer 7

A model that provides applications using the internet that are managed by a third party.