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.In an XMODEM exchange, the sender can receive _______ frame
Your Answer:Correct
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Question 2 of 30
Q-2.A repeater installed between two segments of a LAN has _________ physical addresses.
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Question 3 of 30
Q-3.An endpoint of an inter-process communication flow across a computer network is called
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Question 4 of 30
Q-4.A DQDB slot is the same size as a cell in _______.
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Question 5 of 30
Q-5.There is congestion between DTE A and DTE B in both directions. The packet going from A to B has BECN bit _______ and FECN bit _________.
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Question 6 of 30
Q-6.The B channel uses _______ the protocol in the data link layer.
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Question 7 of 30
Q-7.A bridge installed between three segments of a LAN has _________ physical addresses.
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Question 8 of 30
Q-8.When a user dials a number, which of the following messages is sent by the D channel to the network?
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Question 9 of 30
Q-9.A sender has a sliding window of size 15. The first 15 frames are sent. The receiver sends an ACK 10 and expands its window. What is the size of the receiver window now?
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Question 10 of 30
Q-10.In _______ conversion we are representing analog information as a series of 0s and 1s.
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Question 11 of 30
Q-11.When a packet with the code is transmitted, it is received and processed by every machine on the
network. This mode of operation is called
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Question 12 of 30
Q-12.The entities comprising the corresponding layers on different machine are called ________
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Question 13 of 30
Q-13.The size of an updating packet in distance vector routing is normally ___________ the size of an updating packet in a link state routing.
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Question 14 of 30
Q-14.E-mail is a service handled by the _______ layer.
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Question 15 of 30
Q-15.Header of a frame generally contains
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Question 16 of 30
Q-16.The Token Ring abort frame is sent by _______
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Question 17 of 30
Q-17.The frequency range of visible light is _______ than the frequency range used in radio communication
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Question 18 of 30
Q-18.In a _______ topology, a device (non-central controller) needs only one input/output port
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Question 19 of 30
Q-19.RZ is a _______ encoding method.
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Question 20 of 30
Q-20._______ is a permanent connection for the duration of a lease
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Question 21 of 30
Q-21.How does the BSC protocol handle message data that looks like control data?
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Question 22 of 30
Q-22.Path overhead in an STS-1 frame contains _______ octets.
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Question 23 of 30
Q-23.A single-bit error is more likely in a _______ transmission while a burst error is more likely in a _______ transmission
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Question 24 of 30
Q-24.The _______ is the average time required for a token to circulate the ring exactly once
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Question 25 of 30
Q-25._______ exists only for the duration of the specific exchange
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Question 26 of 30
Q-26.An SVC is comparable to a _______ line in circuit switching, while a PVC is comparable to a _______ line
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Question 27 of 30
Q-27.A PDU frame can be _______.
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Question 28 of 30
Q-28.How many header bytes does SIP level 3 add to each 44-byte segment?
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Question 29 of 30
Q-29.Starting around 1988, the more advanced ______ twisted pairs were introduced.
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Question 30 of 30
Q-30.SMDS is a service that links _______ into a _______
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