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 TCP packet is encapsulated in a(n) _____________.
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Question 2 of 30
Q-2.Asynchronous protocols are widely used in _______
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Question 3 of 30
Q-3.A crossbar switch with x inputs and y outputs requires _______ crosspoints
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Question 4 of 30
Q-4.In HDB3 encoding, a string of four consecutive 0s produces _______.
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Question 5 of 30
Q-5.Which of the following network access standard is used for connecting stations to a packet- switched
network?
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Question 6 of 30
Q-6.In a noisy environment, the best transmission medium would be _________
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Question 7 of 30
Q-7.Flow control is mainly a function of the _______ layer
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Question 8 of 30
Q-8.The field in the IP packet header that defines the number of hops a packet can travel before being dropped is called ___________.
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Question 9 of 30
Q-9.The _______ layer detects and retransmits damaged or lost frames.
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Question 10 of 30
Q-10.In OSI reference model, which of the following layer provides error-free delivery of data?
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Question 11 of 30
Q-11.The natural mask for class E is _______________.
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Question 12 of 30
Q-12.An ISDN address uses _______ decimal digits to define a network inside a country.
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Question 13 of 30
Q-13._______ cable is not susceptible to most noise that is electrical in nature.
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Question 14 of 30
Q-14.A _______ is a device that prevents the signal at the end of a bus backbone from echoing back on to the line
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Question 15 of 30
Q-15.RS-423 and RS-422 are electrical specifications for _______.
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Question 16 of 30
Q-16.Line overhead in an STS-1 frame contains _______ octets.
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Question 17 of 30
Q-17.On a time-domain plot, the _______ of a signal is the vertical value from a point on the curve to the x-axis
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Question 18 of 30
Q-18.An example for dynamic routing algorithm is _______.
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Question 19 of 30
Q-19.An acknowledgment at the PLP layer is encapsulated in _________ at the data link layer.
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Question 20 of 30
Q-20.A DTE wants to send a PLP data packet to another DTE. The packet should be encapsulated in an _______
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Question 21 of 30
Q-21.The data link layer adds _______ addresses to the frame to identify the sender and receiver.
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Question 22 of 30
Q-22.Serial transmission can be _______
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Question 23 of 30
Q-23.The THT is a function of the _______ and _______.
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Question 24 of 30
Q-24.Each device in a DQDB system is connected _______.
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Question 25 of 30
Q-25.In BSC, the character following the _______ character is data.
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Question 26 of 30
Q-26.The B channel uses _______ the protocol in the data link layer.
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Question 27 of 30
Q-27.AN HDLC _______ station sends both commands and responses
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Question 28 of 30
Q-28.______ is a network that this technology connects sites that are in diverse locations
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Question 29 of 30
Q-29.In the Dijkstra algorithm the process of finding the shortest path starts with a tree with _______ node(s).
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Question 30 of 30
Q-30.In a DQDB with _______ devices, no queues are needed.
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