Computer Knowledge ยท General Awareness

Information Security

4,143 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 of the following best describes a digital signature?

  1. A scanned signature

  2. Handwritten signature in machine language

  3. Signature in binary form

  4. Encrypting information

  5. Electronic signature
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A digital signature is a mathematical scheme for demonstrating the authenticity of a digital message or document. A valid digital signature gives a recipient reason to believe that the message was created by a known sender such that the sender cannot deny having sent the message (authentication and non-repudiation) and that the message was not altered in transit (integrity).

Multiple choice

all of the above

  1. Privacy invasion

  2. hardware failure

  3. Fraudulent manipulation of data

  4. all of above
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice

Which of the following makes a firewall safely permeable for user, with creating a potential security holes through which "bad guys" can get into the organisation net?

  1. Application level proxy

  2. Function proxy

  3. Proxy object

  4. DebuggerCallback interface

  5. TCP hijacking
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It makes a firewall safely permeable for users with creating a potential security holes through which "bad guys" can get into the organisation net.

Multiple choice

Which of these may be used in financial transactions to ensure integrity of data?

  1. Port scanner

  2. Security bug

  3. Core banking

  4. Firewall

  5. Digital signature
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

A digital signature is a mathematical scheme for demonstrating the authenticity of a digital message or document. A valid digital signature gives a recipient, reason to believe that the message was created by a known sender, such that the sender cannot deny having sent the message (authentication and non-repudiation) and that the message was not altered in transit (integrity). Digital signatures are commonly used for software distribution, financial transactions and in other cases where it is important to detect forgery or tampering.

Multiple choice

Which of the following security techniques is used to protect your sensitive data from hackers and enables only the computer that you send it to have the key to decode the data?

  1. Access control list

  2. Physical security

  3. Output reconciliation control

  4. Backup and recovery control

  5. Encryption
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This security technique is used to protect your sensitive data from hackers. Only the computer that you send it to have the key to decode the data.