Computer Knowledge ยท General Awareness

Information Security

4,634 Questions

Information security involves protecting computer systems and data from unauthorized access, cyber threats, and damage. It is a core part of the computer knowledge section in various banking and government exams. Practicing these concepts helps in understanding digital signatures, network security, and access control effectively.

Cybersecurity threatsAccess controlCryptography basicsSecurity risk managementDatabase protection

Information Security Questions

Multiple choice

Which system establishes a barrier between a trusted, secure internal network and another network?

  1. Operating system

  2. Router

  3. Firewall

  4. Antivirus

  5. Spyware
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A firewall is a software or hardware-based network security system that controls the incoming and outgoing network traffic by analyzing the data packets and determining whether they should be allowed through or not, based on a rule set. A firewall establishes a barrier between a trusted, secure internal network and another network (e.g., the Internet) that is not assumed to be secure and trusted.

Multiple choice

Which of the following password management features ensures that a user cannot reuse a password for a specified time interval?

  1. Account Locking

  2. Password History

  3. Password Verification

  4. Password Expiration and Aging
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Password History is a security feature that tracks previously used passwords and prevents users from reusing them within a specified time period or number of password changes. This prevents users from cycling through a few favorite passwords and increases overall password security. Account Locking prevents login attempts after failed attempts. Password Verification refers to validating password strength. Password Expiration forces users to change passwords periodically.

Multiple choice

Which of the following statements is/are true?

  1. Asymmetric key encryption provides message authentication.

  2. Symmetric key encryption uses less computer resources.

  3. Symmetric key encryption has too many keys.

  4. All of the above

  5. Only (1) and (2) are true.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of the above are correct statements.

Multiple choice

Which of the following statements is/are true?

  1. A digital certificate is used to identify the authentication of a user.

  2. A digital certificate uses public key.

  3. A digital signature is used to verify the data.

  4. Credit card is an example of digital certificate.

  5. All of the above
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

All the statements are correct.