With each visit of this Data Communication and Networking online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions
Question type
Randomized MCQs.Changes every time you visit the test
Total Number of Questions
30
Time Limit
20 Minutes
Points
1 Point for each Question
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Question 1 of 30
Q-1.The Dijkstra algorithm is used in ___________ routing to find the shortest path tree.
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Q-2.In the long format, the size of an RNR packet is _________ bytes.
Your Answer:Correct
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Question 3 of 30
Q-3.The V series and X series are standards developed by
Your Answer:Correct
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Question 4 of 30
Q-4.UTP is popular in LAN technology due to its _______
Your Answer:Correct
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Question 5 of 30
Q-5.The polynomial used for the DQDB CRC is x8 + x2 + x + 1. The divisor is therefore _______ bits
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.If the value of HLEN in an IP packet is 1100, the option field is _________ long.
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.At SIP level 2, a _____-byte header is added.
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.Ad-hoc networks are also called as ____________
Your Answer:Correct
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Question 9 of 30
Q-9.TCP/IP reserve _______ ports for protocols.
Your Answer:Correct
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Question 10 of 30
Q-10.At the bottom of the PSTN hierarchy are the _______ offices.
Your Answer:Correct
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Question 11 of 30
Q-11.Which function allows dumping of invalid packets for a specific network instead of
forwarding
Your Answer:Correct
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Question 12 of 30
Q-12.Forty-five physical channels link _______ devices arranged in a mesh topology
Your Answer:Correct
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Question 13 of 30
Q-13.A _______ standard has been legislated by an officially recognized body
Your Answer:Correct
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Question 14 of 30
Q-14.When an earthquake severs a fiber-optic cable, this is a network _______ issue
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Q-15.When a user dials a number, which of the following messages is sent by the D channel to the network?
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.When X.25 uses the long format, the number of PLP packets in transition can be up to __________.
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.The _______ is the information (data) to be communicated
Your Answer:Correct
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Question 18 of 30
Q-18.A digital signal has a bit rate of 200 bps. The bit interval is _______ seconds
Your Answer:Correct
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Question 19 of 30
Q-19.In which propagation mode does the light source move through the core in different paths?
Your Answer:Correct
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Question 20 of 30
Q-20.Which data link layer function answers the question: How can errors be detected and handled?
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Question 21 of 30
Q-21.The FDM demultiplexer uses a series of _______ to decompose the multiplexed signal into its constituent signals,
Your Answer:Correct
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Question 22 of 30
Q-22.What is the minimum number of wires required for sending data over a serial communications links?
Your Answer:Correct
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Question 23 of 30
Q-23.The simultaneous transmission of data to a number of stations is known as ____________
Your Answer:Correct
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Question 24 of 30
Q-24.The assigning of sequence numbers to packets of a message is a function of the _______ layer.
Your Answer:Correct
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Question 25 of 30
Q-25.Communication circuits that transmit data in both directions but not at the same time are operating in
______
Your Answer:Correct
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Question 26 of 30
Q-26.___________ cable consists of an inner copper core and a second conducting outer sheath.
Your Answer:Correct
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Question 27 of 30
Q-27.Terrestrial microwave communication can use _______ for transmission
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Question 28 of 30
Q-28.The table of a router normally contains addresses belonging to ____________ protocol(s).
Your Answer:Correct
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Question 29 of 30
Q-29.Which message is sent by the D channel to show that call establishment is in progress?
Your Answer:Correct
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Question 30 of 30
Q-30.Communication between computers almost always ________
Your Answer:Correct
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