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 _______ indicate the number of the frame being sent.
Your Answer:Correct
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Question 2 of 30
Q-2.Segmentation and reassembly are functions of the _______ layer.
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Question 3 of 30
Q-3.In synchronous TDM, if ten devices are each sending data at the rate of 2000 bps, what is the data rate for the line carrying the multiplexed signals?
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Question 4 of 30
Q-4.Serial transmission without stop bits, start bits, or gaps is called _______ transmission
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Question 5 of 30
Q-5.Line overhead in an STS-1 frame contains _______ octets.
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Question 6 of 30
Q-6.In a dibit modulation, the number of points in the constellation is _______
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Question 7 of 30
Q-7.SONET was developed by __________.
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Question 8 of 30
Q-8.In the PSTN hierarchy, the class one switching centers are known as the _______ offices
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Question 9 of 30
Q-9.Manchester encoding is a _______ encoding method
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Question 10 of 30
Q-10.Datagrams using header extension are called __________
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Question 11 of 30
Q-11.Identify the Odd term among the following group.
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Question 12 of 30
Q-12.A signal has a constant value of 10 volts. Its frequency is _______ Hz.
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Question 13 of 30
Q-13.The V series and X series are standards developed by
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Question 14 of 30
Q-14._______ determines which device can send
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Question 15 of 30
Q-15.An ISDN address is ___________ digits long.
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Question 16 of 30
Q-16.In distance vector routing, the routing table for each router is ___________ other routers
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Question 17 of 30
Q-17.ISDN is a group of __________ standards relating to digital transmission across conventional
copper wire telephone lines, as also other media
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Question 18 of 30
Q-18.Who invented the modem?
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Question 19 of 30
Q-19.What is the major weakness of asynchronous TDM?
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Question 20 of 30
Q-20.FDDI is a ____ network.
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Question 21 of 30
Q-21.IPV4 uses ______ bit value to represent address.
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Question 22 of 30
Q-22.Using a host address 195.21.43.65 and the mask 255.255.255.192, the subnetwork address is ___________
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Question 23 of 30
Q-23.When a primary wants to receive data from a secondary, it sends a _______ frame to the secondary
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Question 24 of 30
Q-24.The propagation time is _______
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Question 25 of 30
Q-25.An SAS is a device used in _______.
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Question 26 of 30
Q-26.Signal reflection at the taps can cause signal degradation in a _______ topology
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Question 27 of 30
Q-27.Coaxial cable has conductors with ________
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Question 28 of 30
Q-28.Check sum is used for
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Question 29 of 30
Q-29.In the PSTN hierarchy, the class two switching centers are known as the _______ offices
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Question 30 of 30
Q-30.What is the netid of the address 200.66.10.21?
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