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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. | |