Availability

Question 1

What is Denial of Service attack? How can it be prevented?

Answer 1

• DOS is an attack where a network or computer system is bombarded with unnecessary network traffic, such traffic will prevent authorised users from accessing data or their services within a network?
• Firewalls can prevent DOS.

Question 2

How can power outages be prevented?

Answer 2

Having redundant power generators and uninterrupted power supplies.

Question 3

How can hardware failures be prevented?

Answer 3

Ensuring that the hardware contains redundant components in their specifications.

Question 4

How can destruction be avoided when it comes to availability of information?

Answer 4

Having a secure data center and/or location for servers can ensure that information is readily available.

Question 5

How can outages be avoided?

Answer 5

Ensuring that resilient systems are in place to avoid service outages frequently.