Networking Miscellaneous(Computer Aptitude > Networking ) Questions and answers for exam Preparation

Computer Aptitude > Networking

NETWORKING MISCELLANEOUS MCQs

Total Questions : 411 | Page 40 of 42 pages

Question 391. What is the default subnet mask for a class C network?

127.0.0.1
255.0.0.0
255.255.0.0
255.255.255.0
None of the above

Discuss Question

Answer: Option D. -> 255.255.255.0

Question 392. Which of the following is used for modulation and demodulation?

modem
protocols
gateway
multiplexer
None of the above

Discuss Question

Answer: Option A. -> modem

Question 393. Which of the following is not a disadvantage of wireless LAN?

Slower data transmission
higher error rate
interference of transmissions from different computers
All of the above

Discuss Question

Answer: Option D. -> All of the above

Question 394. Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.

Modem
Cable
Hub
Router
None of the above

Discuss Question

Answer: Option D. -> Router

Question 395. The Internet Control Message Protocol (ICMP)

allows gateways to send error a control messages to other gateways or hosts
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
All of the above
None of the above

Discuss Question

Answer: Option D. -> All of the above

Question 396. The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

cannot talk at once
can receive and send data simultaneously
can send or receive data one at a time
can do one way data transmission only
None of the above

Discuss Question

Answer: Option B. -> can receive and send data simultaneously

Question 397. How many hosts are attached to each of the local area networks at your site?

128
254
256
64
None of the above

Discuss Question

Answer: Option B. -> 254

Question 398. Which of the following technique is used for fragment?

a technique used in best-effort delivery systems to avoid endlessly looping packets
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
All of the above
None of the above

Discuss Question

Answer: Option C. -> one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size

Question 399. Contention is

One or more conductors that serve as a common connection for a related group of devices
a continuous frequency capable of being modulated or impressed with a second signal
the condition when two or more stations attempt to use the same channel at the same time
a collection of interconnected functional units that provides a data communications service among stations attached to the network
None of the above

Discuss Question

Answer: Option C. -> the condition when two or more stations attempt to use the same channel at the same time

Question 400. Avalanche photodiode receivers can detect hits of transmitted data by receiving