Azure Cloud concepts

Question 1

High Availability

Answer 1

The ability of the system to run for extended period of downtime.

Question 2

Fault Tolerance

Answer 2

The ability of the system to remain up and running during component or services failure.

Question 3

Disaster Recovery

Answer 3

The ability to recover from large disasters..

Involves the set of identical copies of applications to different regions with replication, redirecting users to a working version of the app.

Question 4

Scalability

Answer 4

The ability to increase or decrease resources and services used at any given time depending on demand and workload.

Horizontal - Adding more servers that function together as a unit.

Vertical- Adding resources to increase power of existing server.

Question 5

Elasticity

Answer 5

Ability to dynamically extended or minimize resources to respond to autonomous working load.

Question 6

Agility

Answer 6

The capability to adapt quickly and efficiently to changes in the business environment.

Also refers to the ability to quickly develop, test and deploy business applications