Computer Networks Questions & Answers – Security In The Internet MCQ أسئله شبكات بالأجابات الجزء الستون

Computer Networks Questions & Answers – Security In The Internet 

1. IPSec is designed to provide the security at the
a) transport layer
b) network layer
c) application layer
d) session layer

Answer: b
Explanation: None.

2. In tunnel mode IPsec protects the
a) Entire IP packet
b) IP header
c) IP payload
d) None of the mentioned

Answer: a
Explanation: None.

3. Network layer firewall works as a
a) frame filter
b) packet filter
c) both frame filter and packet filter
d) none of the mentioned

Answer: b
Explanation: None.

4. Network layer firewall has two sub-categories as
a) stateful firewall and stateless firewall
b) bit oriented firewall and byte oriented firewall
c) frame firewall and packet firewall
d) none of the mentioned

Answer: a
Explanation: None.

5. WPA2 is used for security in
a) ethernet
b) bluetooth
c) wi-fi
d) none of the mentioned

Answer: c
Explanation: None.

6. An attempt to make a computer resource unavailable to its intended users is called
a) denial-of-service attack
b) virus attack
c) worms attack
d) botnet process

Answer: a
Explanation: None.

7. Extensible authentication protocol is authentication framework frequently used in
a) wired personal area network
b) wireless networks
c) wired local area network
d) none of the mentioned

Answer: b
Explanation: None.

8. Pretty good privacy (PGP) is used in
a) browser security
b) email security
c) FTP security
d) none of the mentioned

Answer: b
Explanation: None.

9. PGP encrypts data by using a block cipher called
a) international data encryption algorithm
b) private data encryption algorithm
c) intrenet data encryption algorithm
d) none of the mentioned

Answer: a
Explanation: None.

10. When a DNS server accepts and uses incorrect information from a host that has no authority giving that information, then it is called
a) DNS lookup
b) DNS hijacking
c) DNS spoofing
d) None of the mentioned

Answer: c
Explanation: None.

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