What is the purpose of a proxy server? MCQ with Answer and Explanation

Question
What is the purpose of a proxy server?
A. To connect network segments
B. To forward packets based on IP
C. To assign IP addresses
D. To act as an intermediary for client requests to servers
Answer: Option D
Solution (By JKSSB Mock Tests)
A proxy server forwards requests and can provide caching, anonymity, and filtering.
This question belongs to: Computer Computer Networking
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Practice More Computer Networking Questions

Question #1
Which of the following is a port used by DNS?
A. 25
B. 53
C. 80
D. 443
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Correct Answer: Option B

Explanation:
DNS uses port 53 (both TCP and UDP).
This question belongs to: Computer Computer Networking
Question #2
Which IP address class allocates the first two octets to identify the network portion and the remaining two octets for host devices, using a default mask of 255.255.0.0?
A. Class C
B. Class A
C. Class B
D. Class D
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Correct Answer: Option C

Explanation:
Class B addresses use a 16-bit network prefix, spanning an initial octet range from 128 to 191.
This question belongs to: Computer Computer Networking
Question #3
Which address space range is reserved by the IETF for Automatic Private IP Addressing (APIPA) when a client cannot contact a DHCP server?
A. 169.254.0.0 to 169.254.255.255
B. 192.168.0.0 to 192.168.255.255
C. 10.0.0.0 to 10.255.255.255
D. 127.0.0.0 to 127.255.255.255
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Correct Answer: Option A

Explanation:
The 169.254.0.0/16 address block is reserved for APIPA, allowing devices to automatically configure a temporary link-local IP address when DHCP is unavailable.
This question belongs to: Computer Computer Networking
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