Question 1

What network security device allows remote users to securely connect to a private network over the public Internet by encrypting their communications?

Options :

A : Proxy Server

B : Intrusion Detection System (IDS)

C : Firewall

D : Virtual Private Network (VPN)

Answer: D

Question 2

Which of the following is NOT a feature of a cryptographic hash function?

Options :

A : Useful

B : Reversible

C : Unique

D : Deterministic

Answer: B

Question 3

Which of the following is an example of physical access control?

Options :

A : Security cameras

B : Role-based access control

C : Password authentication

D : Biometric authentication

Answer: A

Question 4

In the event of a disaster, what should be the primary objective? (★)

Options :

A : Protection of the production database

B : Application of disaster communication

C : Guarantee the safety of people

D : Guarantee the continuity of critical systems

Answer: C

Question 5

Why is documentation of recovery procedures important in disaster recovery planning?

Options :

A : It helps in identifying potential vulnerabilities in the IT infrastructure

B : It provides a clear roadmap for recovering and restoring systems

C : It eliminates the need for regular testing of the plan

D : It ensures compliance with legal and regulatory requirements

Answer: B