Digital Signature MCQ Questions
This section focuses on "Digital Signature" in Cyber Security. These Multiple Choice Questions (MCQ) should be practiced to improve the Cyber Security skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.
1. A digital signature is a mathematical technique which validates?
A. authenticity
B. integrity
C. Non-repudiation
D. All of the above
View Answer
Ans : D
Explanation: A digital signature is a mathematical technique which validates the authenticity, non-repudiation and integrity of a message, software or digital documents.
2. _____________ is a process which verifies the identity of a user who wants to access the system.
A. Authentication
B. Non-repudiation
C. Integrity
D. None of the above
View Answer
Ans : A
Explanation: Authentication is a process which verifies the identity of a user who wants to access the system.
3. _____________ ensures that the message is real, accurate and safeguards from unauthorized user modification during the transmission.
A. Authentication
B. Non-repudiation
C. Integrity
D. None of the above
View Answer
Ans : C
Explanation: Integrity ensures that the message is real, accurate and safeguards from unauthorized user modification during the transmission.
4. How many algorithms digital signature consists of?
A. 2
B. 3
C. 4
D. 5
View Answer
Ans : B
Explanation: A digital signature consists of three algorithms: Key generation algorithm, Signing algorithm and Signature verifying algorithm.
5. A _________ produces a signature for the document.
A. Key generation algorithm
B. Signature verifying algorithm
C. Signing algorithm
D. Authentication
View Answer
Ans : C
Explanation: A signing algorithm produces a signature for the document.
6. Which algorithm algorithm provides the private key and its corresponding public key?
A. Key generation algorithm
B. Signature verifying algorithm
C. Signing algorithm
D. None of the above
View Answer
Ans : A
Explanation: The key generation algorithm selects private key randomly from a set of possible private keys. This algorithm provides the private key and its corresponding public key.
7. Which of the following is not a type of digital signature?
A. Approval Signatures
B. Non-Certified Signatures
C. Visible Digital Signature
D. Invisible Digital Signature
View Answer
Ans : B
Explanation: Non-Certified Signatures is not a type of digital signature.
8. Which signature allows a user to sign a single document digitally?
A. Approval Signatures
B. Certified Signatures
C. Visible Digital Signature
D. Invisible Digital Signature
View Answer
Ans : C
Explanation: The visible digital signature allows a user to sign a single document digitally. This signature appears on a document in the same way as signatures are signed on a physical document.
9. Which signature contains the name of the document signer and the certificate issuer?
A. Approval Signatures
B. Certified Signatures
C. Visible Digital Signature
D. Invisible Digital Signature
View Answer
Ans : B
Explanation: The certified signature contains the name of the document signer and the certificate issuer which indicate the authorship and authenticity of the document.
10. Which signatures include details such as an image of our physical signature, location, date, and official seal?
A. Approval Signatures
B. Certified Signatures
C. Visible Digital Signature
D. Invisible Digital Signature
View Answer
Ans : A
Explanation: The approval signatures to include details such as an image of our physical signature, location, date, and official seal.
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