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 HDLC control field in _______ is increased to two bytes in the extended mode
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Question 2 of 30
Q-2._______ circuits are implementations to the virtual circuit approach to packet switching
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Question 3 of 30
Q-3.Protocols in which the sender sends one frame and then waits for an acknowledgement before
proceeding are called __________
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Question 4 of 30
Q-4.Which type of FDDI node has one MIC?
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Question 5 of 30
Q-5.What is the host IP of a system having the IP address 192.0.0.10?
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Question 6 of 30
Q-6.The _______ is concerned with speeding the growth and evolution of Internet communications
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Question 7 of 30
Q-7.The bandwidth on a local loop is between _______
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Question 8 of 30
Q-8.Stop-and-wait is a _______ technique
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Question 9 of 30
Q-9.If the sending system uses ASCII encoding and the receiving station uses EBCDIC encoding, the _______ layer is responsible for translation.
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Question 10 of 30
Q-10.In BSC, the BCC character can follow the _______ character.
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Question 11 of 30
Q-11.FDDI specifies _______ encoding prior to NRZ-I encoding.
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Question 12 of 30
Q-12.In link state routing, the link state database for each router is ___________ other routers
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Question 13 of 30
Q-13.If the bit rate for modulation scheme A is two times the bit rate for modulation scheme B, the required bandwidth for scheme A is ___________ the one for scheme B.
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Question 14 of 30
Q-14.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: 7. The new route to N should be _______________.
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Question 15 of 30
Q-15._______ is an attempt to synchronize long strings of 0s
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Question 16 of 30
Q-16.Error control is mainly a function of the _______ layer.
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Question 17 of 30
Q-17.Which one of the following task is not done by data link layer?
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Question 18 of 30
Q-18.A DQDB device accesses a bus link through _______.
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Question 19 of 30
Q-19.How many types of DQDB payloads are possible?
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Question 20 of 30
Q-20.A _________ is a digital pipe composed of 23 B channels and one D channel.
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Question 21 of 30
Q-21.In an HDLC S-frame the N(R) field can contain _______.
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Question 22 of 30
Q-22.The address field of a frame is 00000000 00011111. What is the DLCI?
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Question 23 of 30
Q-23.Subscriber telephones in the PSTN are connected through _______ to end offices
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Question 24 of 30
Q-24.The THT is a function of the _______ and _______.
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Question 25 of 30
Q-25.AN HDLC _______ station sends both commands and responses
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Question 26 of 30
Q-26.A decrease in magnitude of current, voltage, a power signal in transmission between points is known
as _________
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Question 27 of 30
Q-27.The protocol used for transferring files from one system to another is _________
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Question 28 of 30
Q-28.When X.25 uses the short format, the number of PLP packets in transition can be up to __________.
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Question 29 of 30
Q-29.X.25 is an example of __________ network.
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Question 30 of 30
Q-30.A class C address starts with the _________bit(s).
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