Module 5: Cloud Computing Storage and CDN

Question 1

What is the definition of a Content Delivery Network?

Answer 1

A Content Delivery Network is a distributed server network that delivers temporarily stored, or cached, copies of website content to users based on the users’ geographical location.

Question 2

Describe a characteristic of object storage?

Answer 2

Great repository for all sorts of unstructured data types

A characteristic of object storage is that it is a great repository for all sorts of unstructured data types – videos, logs, backups, data from IoT, application binaries, and virtual machine images.

Question 3

Which type of storage is also referred to network attached storage, network file storage, or simply NFS?

Answer 3

File storage

File storage is also referred to network attached storage, network file storage, or simply NFS.

Question 4

Which type of storage is accessed via an application program interface (API), and is not attached to a compute node?

Answer 4

Object storage

Object storage is accessed via an application program interface (API), and it is not attached to a compute node.

Question 5

How does a Content Delivery Network reduce the distance between website visitors and the website server?

Answer 5

A Content Delivery Network stores content in geographically distributed locations (proxy servers and data centers) globally.

Question 6

Poor performance when data needs to be shared is considered a disadvantage of which type of storage?

Answer 6

Direct attached

Poor performance when data needs to be shared is considered a disadvantage of direct attached storage.

Question 7

Direct-attached, file, block, and object are examples of what?

Answer 7

Types of cloud storage

Direct-attached, file, block, and object are considered types of cloud storage.

Question 8

Highly available and resilient and will often include data encryption at rest and in transit are characteristics attached to what type of storage?

Answer 8

Block storage

Characteristics of block storage include, highly available, and resilient and will often include data encryption at rest and in transit.

Question 9

What is the purpose of a content delivery network (CDN)?

Answer 9

To make websites faster and more responsive

A content delivery network (CDN) makes websites faster and more responsive.

Question 10

Describe a characteristic of direct attached storage?

Answer 10

The operating system only last as long as the compute resource is attached to it

One of the characteristics of direct attached storage is that the operating system only lasts as long as the compute resource is attached to it. It is deleted after the virtual instance is terminated.