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 a _______ line configuration, the capacity of the channel is shared, either spatially or temporally
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Question 2 of 30
Q-2.An example for dynamic routing algorithm is _______.
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Question 3 of 30
Q-3.In the virtual circuit approach to packet switching, _______ packets of a message follow the same route from sender to receiver.
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Question 4 of 30
Q-4.The flag, CRC, and station address fields are added to the PDU at the _______ layer
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Question 5 of 30
Q-5.If the data sent during a period of T seconds is greater than Bc but less than Bc + Be , the user data ___________.
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Question 6 of 30
Q-6.A _______ is a digital pipe composed of two B channels and one D channel
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Question 7 of 30
Q-7.If the ASCII "7" character is received as the "5" character, this is known as a _______
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Question 8 of 30
Q-8.The PLP packet is used in the _______ layer of the X.25 protocol.
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Question 9 of 30
Q-9.In the HDLC _______, the secondary device must have permission from the primary before it can transmit.
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Question 10 of 30
Q-10.A line can have less attenuation and less distortion if it is _______
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Question 11 of 30
Q-11.The _______ layer regulates the access of a device to the medium.
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Question 12 of 30
Q-12.If three STS-1s are multiplexed, we get an _________.
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Question 13 of 30
Q-13.A PDU frame can be _______.
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Question 14 of 30
Q-14.In a two-bytes address, the value of the EA fields are_______ and _______ respectively.
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Question 15 of 30
Q-15.Different computers are connected to a LAN by a cable and a/an _______
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Question 16 of 30
Q-16.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 17 of 30
Q-17.The data rate for RS-423 ranges from _______ Kbps to _______ Kbps.
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Question 18 of 30
Q-18.The application layer of a network ________
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Question 19 of 30
Q-19.An S-frame carries ____________.
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Question 20 of 30
Q-20.In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from B with a route to N as Destination: N, Hop Count: 4. The new route to N should be _______________.
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Question 21 of 30
Q-21.A 10Base2 Ethernet LAN has a data rate of _______ Mbps.
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Question 22 of 30
Q-22.A _______ is a set of rules governing data communication between two devices
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Question 23 of 30
Q-23.Unipolar encoding has a DC component because the average _______ of the signal is nonzero
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Question 24 of 30
Q-24.Manchester and differential Manchester encoding are both types of _______ encoding
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Question 25 of 30
Q-25.When an earthquake severs a fiber-optic cable, this is a network _______ issue
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Question 26 of 30
Q-26.The PDU _______ field is identical to the HDLC _______ field.
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Question 27 of 30
Q-27.A null modem has _______ connector(s).
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Question 28 of 30
Q-28.In the analog hierarchy, twelve voice channels are multiplexed to create a _______
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Question 29 of 30
Q-29.In ________ delivery, both the deliverer of the IP packet and the destination are on the same network.
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Question 30 of 30
Q-30.In FDM, the bandwidth of the link must be _______ the sum of the bandwidths of the signals to be combined
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