Availability

Question 1

What is availability?

Answer 1

Ensuring that information, systems, and resources are accessible and operational when needed by authorized users

Question 2

Why is availability important?

Answer 2

■ Ensuring Business Continuity
■ Maintaining Customer Trust
■ Upholding an Organization’s Reputation

Question 3

How do we ensure availability?

Answer 3

use redundancy in the systems and network designs

Question 4

What is Redundancy?

Answer 4

Duplication of critical components or functions of a system with the intention of enhancing its reliability

Question 5

What are the types of redundancy?

Answer 5

■ Server Redundancy
● Involves using multiple servers in a load balanced or failover configuration
so that if one is overloaded or fails, the other servers can take over the
load to continue supporting your end users

■ Data Redundancy
● Involves storing data in multiple places

■ Network Redundancy
● Ensures that if one network path fails, the data can travel through
another route

■ Power Redundancy
● Involves using backup power sources, like generators and UPS systems