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 _______ for acknowledgment.
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Question 2 of 30
Q-2.In a _______ configuration, an HDLC primary station and several secondary stations are connected
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Question 3 of 30
Q-3.The value of an LAPD address is 00000000 00010001. The frame is destined for a TE with address _________.
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Question 4 of 30
Q-4.When an indirect delivery is made, the deliverer and the receiver have __________
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Question 5 of 30
Q-5.A user access rate is 64 Kbps. The user _______________.
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Question 6 of 30
Q-6.When a host on network A sends a message to a host on network B, which address does the router
look at?
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Question 7 of 30
Q-7.The inner core of an optical fiber is _____ in composition.
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Question 8 of 30
Q-8.Which transmission media has the highest transmission speed in a network?
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Question 9 of 30
Q-9.LAPF is a _________ protocol.
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Question 10 of 30
Q-10.A simple sine wave completes one cycle in _______ degrees
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Question 11 of 30
Q-11.The table of a router normally contains addresses belonging to ____________ protocol(s).
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Question 12 of 30
Q-12.The number of points in the constellation of an 8-PSK modulation is _______ the number of points for an 8-QAM
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Question 13 of 30
Q-13.What is the address of the network to which the host 248.22.33.1 is connected (no subnetting)?
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Question 14 of 30
Q-14.Most modern modems use _______ for digital to analog modulation
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Question 15 of 30
Q-15.In _______ process, layer n on the sending machine communicates with layer n on the receiving machine.
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Question 16 of 30
Q-16.Twisted-pair wire, coaxial cable, and fiber-optic cable are all types of _______
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Question 17 of 30
Q-17.If we need to split a 10BASE5 LAN into two independent LANs with each LAN using different higher level protocols, we need a ____________.
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Question 18 of 30
Q-18.physical layer provides
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Question 19 of 30
Q-19.If we need to split a 10BASE5 LAN because the signal is very weak at the end of the line, we need a ____________.
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Question 20 of 30
Q-20.In which propagation mode does the light source move through the core in different paths?
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Question 21 of 30
Q-21.A sender has a sliding window of size 15. The first 15 frames are sent. The first ACK received is ACK 15. What frame is the receiver expecting?
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Question 22 of 30
Q-22.The synchronization problem for long streams of 1s is handled in AMI through _______.
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Question 23 of 30
Q-23.Forty-five physical channels link _______ devices arranged in a mesh topology
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Question 24 of 30
Q-24.A bridge recognizes ___________ layer addresses.
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Question 25 of 30
Q-25.In BSC, the BCC character can follow the _______ character.
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Question 26 of 30
Q-26.In the sliding window method of flow control, if the frame numbers range from 0 to 63, the size of the window is _______ frames.
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Question 27 of 30
Q-27.The word SLIP stands for
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Question 28 of 30
Q-28.One micron is _______ meters
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Question 29 of 30
Q-29.In a _______ topology, a dedicated link connects a device to a central controller.
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Question 30 of 30
Q-30.The maximum data rate of a half duplex ASK modem using a two-wire regular telephone line is ___________ bps
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