Describe Cloud Concepts

Question 1

IAAS stands for what. Give an example

Answer 1

Infrastructure as a service. Cloud owner is in charge of vm, server, storage networking

Question 2

Paas stands for what. Give example

Answer 2

Platform as a service. Web app, SQL, customer is in charge of app and data.

Question 3

Saas

Answer 3

Software as a service. Example is office 365 or software provided. Salesforce.

Question 4

Benefits of cloud computing.

Answer 4

Cost effective. Pay as you go. Secure. Scalable. Elastic.

Question 5

Private cloud l. What is it

Answer 5

Owned by a cloud provider azure AWS or Google cloud

Question 6

Public cloud and what is it

Answer 6

A company using Google or azure or AWS as a cloud provider.

Question 7

Hybrid cloud. What is it.

Answer 7

Could be company migrating from on premise to cloud or using both on premise and cloud options

Question 8

Capex

Answer 8

payment up front like buying servers and devices.

Question 9

Scalability. What is it

Answer 9

The ability of a system able to handle growth or grow

Question 10

Elasticity what is it

Answer 10

System can grow or shrink on demand based on usage

Question 11

Agility. What is it

Answer 11

Ability to react and change and adapt quickly without intervention.

Question 12

What is consumption based model pricing

Answer 12

Pay what you use typically per unit of time or capacity.

Question 13

Fault tolerance what is it

Answer 13

Generally refers to component level failures.

Question 14

High availability what is it

Answer 14

Ability to keep services running long periods of time and failures refer to service level failures

Question 15

Disaster recovery

Answer 15

Ability to recover from an event where cloud service goes down