CCST Essential Security Principles (CIA) 2

Question 1

Which CIA triad component ensures that data has not been altered without authorization?

Accepted Answer

Integrity

Answer

Confidentiality

Answer

Availability

Answer

Authentication

Question 2

A company's web server crashes and customers cannot access the online store. Which CIA principle is violated?

Accepted Answer

Availability

Answer

Confidentiality

Answer

Integrity

Answer

Non-repudiation

Question 3

Which security control best protects the confidentiality of data transmitted over a public network?

Accepted Answer

Encryption

Answer

Antivirus software

Answer

Intrusion detection system

Answer

Backup storage

Question 4

What is the purpose of access control lists (ACLs) in relation to the CIA triad?

Accepted Answer

They support confidentiality and integrity by restricting who can view or modify resources

Answer

They support availability by speeding up traffic

Answer

They only support integrity by logging changes

Answer

They support availability by preventing crashes

Question 5

Which approach provides defense in depth for CIA triad protections?

Accepted Answer

Implementing multiple layers of security controls addressing confidentiality, integrity, and availability

Answer

Relying on a single strong firewall

Answer

Using only encryption for all security

Answer

Deploying a single antivirus on all endpoints

Question 6

What role does multi-factor authentication (MFA) play in supporting the CIA triad?

Accepted Answer

It supports confidentiality by ensuring only verified users access protected resources

Answer

It supports availability by allowing faster logins

Answer

It supports integrity by preventing data modification

Answer

It has no relation to the CIA triad