Explore topic-wise MCQs in Cryptography and Network Security.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Cryptography and Network Security knowledge and support exam preparation. Choose a topic below to get started.

1.

Publicly Available directory is more secure than which other system?

A. Public-Key Certificates
B. Public announcements
C. Public-Key authority
D. None of the mentioned
Answer» C. Public-Key authority
2.

Which system uses a trusted third party interface?

A. Public-Key Certificates
B. Public announcements
C. Publicly available directories
D. Public-Key authority
Answer» B. Public announcements
3.

Which of these systems use timestamps as an expiration date?

A. Public-Key Certificates
B. Public announcements
C. Publicly available directories
D. Public-Key authority
Answer» B. Public announcements
4.

Which systems use a timestamp?i) Public-Key Certificatesii) Public announcementsiii) Publicly available directoriesiv) Public-Key authority

A. i) and ii)
B. iii) and iv)
C. i) and iv)
D. iv) onlyView Answer
Answer» D. iv) onlyView Answer
5.

WHICH_OF_THESE_SYSTEMS_USE_TIMESTAMPS_AS_AN_EXPIRATION_DATE??$

A. Public-Key Certificates
B. Public announcements
C. Publicly available directories
D. Public-Key authority
Answer» B. Public announcements
6.

Which_system_uses_a_trusted_third_party_interface?$

A. Public-Key Certificates
B. Public announcements
C. Publicly available directories
D. Public-Key authority
Answer» C. Publicly available directories
7.

i) and ii?

A. iii) and iv)
B. i) and iv)
C. iv) only
Answer» B. i) and iv)
8.

Which systems use a timestamp?

A. Public-Key Certificates
B. Public announcements
C. Publicly available directories
D. Public-Key authority
Answer» D. Public-Key authority
9.

Which of the following public key distribution systems is most secure?

A. Public-Key Certificates
B. Public announcements
C. Publicly available directories
D. Public-Key authority
Answer» B. Public announcements
10.

USENET is related to which of the following Public Key distribution schemes?

A. Public-Key Certificates
B. Public announcements
C. Publicly available directories
D. Public-Key authority
Answer» C. Publicly available directories
11.

PGP makes use of which cryptographic algorithm?

A. DES
B. AES
C. RSA
D. Rabin
Answer» D. Rabin
12.

What is the PGP stand for?

A. Permuted Gap Permission
B. Permuted Great Privacy
C. Pretty Good Permission
D. None of the mentioned
Answer» E.
13.

Which one of the following is not a public key distribution means?

A. Public-Key Certificates
B. Hashing Certificates
C. Publicly available directories
D. Public-Key authority
Answer» C. Publicly available directories
14.

Public key encryption/decryption is not preferred because

A. it is slow
B. it is hardware/software intensive
C. it has a high computational load
D. all of the mentioned
Answer» E.