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.A digital signal has its 0 bits represented by 0 volts and its 1 bit represented by -5 volts or 5 volts. This is _______ encoding
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Question 2 of 30
Q-2.The voltage level and the signal type are _______ specifications of the EIA-232 interface standard
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Question 3 of 30
Q-3.B8ZS is a _______ encoding method.
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Question 4 of 30
Q-4.An FDDI synchronous data frame means that _______.
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Question 5 of 30
Q-5.All VTs have _______ rows.
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Question 6 of 30
Q-6.Using a host address 140.78.3.45 and the mask 255.255.255.0, the subnetwork address is ___________.
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Question 7 of 30
Q-7.A U-frame carries ____________.
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Question 8 of 30
Q-8.FM radio uses frequencies in the _______ range
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Question 9 of 30
Q-9.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 10 of 30
Q-10.In BSC, the character following the _______ character is data.
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Question 11 of 30
Q-11.Network cable lies on ______ layer.
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Question 12 of 30
Q-12.Which of the following is not a retrieval method?
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Question 13 of 30
Q-13.In BSC, the header follows the _______ character.
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Question 14 of 30
Q-14.A BSC frame starts with a _______ character.
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Question 15 of 30
Q-15._______ is a ring network.
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Question 16 of 30
Q-16.The header added by the transport layer to the packet coming from the upper layer includes the _______ address.
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Question 17 of 30
Q-17.A _______ topology is a combination of several different topologies
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Question 18 of 30
Q-18.The calculation time for the distance vector routing algorithm is _________ the one for the link state routing.
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Question 19 of 30
Q-19.The network address in Class D (without subnetting) has _______ zero(s) in decimal notation
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Question 20 of 30
Q-20.A sender using stop-and-wait ARQ retransmits a frame when _______
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Question 21 of 30
Q-21.A signal with a period of 1 microsecond has a higher frequency than a signal with a period of _______
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Question 22 of 30
Q-22.In asynchronous serial transmission, if we are sending 100 Kbps, we send _______ characters per second.
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Question 23 of 30
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Question 24 of 30
Q-24.In BSC, the BCC character can follow the _______ character.
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Question 25 of 30
Q-25.An application-layer packet is encapsulated in a(n) _____________.
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Question 26 of 30
Q-26.If digital data rate of 9600 bps is encoded using 8 – level phase shift keying (PSK) method, the
modulation rate is ______
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Question 27 of 30
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Question 28 of 30
Q-28.Frequencies for satellite communication are in the _______ range
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Question 29 of 30
Q-29.The _______ switch is basically a crossbar switch with distributors and queues to handle collisions.
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Question 30 of 30
Q-30.In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from C with a route to N as Destination: N, Hop Count: 5. The new route to N should be _______________.
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