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 data link layer adds _______ addresses to the frame to identify the sender and receiver.
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Question 2 of 30
Q-2.Which of the following is true?
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Question 3 of 30
Q-3.Ad-hoc networks are also called as ____________
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Question 4 of 30
Q-4.Bits can be send over guided and unguided media as analog signal by
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Question 5 of 30
Q-5.When the packets are small and all the same size, they are often called ________
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Question 6 of 30
Q-6.The _______ of a signal is its number of cycles per second.
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Question 7 of 30
Q-7.A _______ is a set of devices (nodes) connected by media links
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Question 8 of 30
Q-8.Error control is mainly a function of the _______ layer.
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Question 9 of 30
Q-9.Data communications monitors available on the software market include__________
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Question 10 of 30
Q-10.The DC component is a serious problem for _______ encoding
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Question 11 of 30
Q-11.An ASK modulated signal has a bit rate of 2000 bps; the baud rate is _______
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Question 12 of 30
Q-12.In the long format, the size of an REJ packet is _________ bytes.
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Question 13 of 30
Q-13.How many ETB characters in one message?
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Question 14 of 30
Q-14.Which of the following divides the high speed signal into frequency bands?
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Question 15 of 30
Q-15.In a token ring, the stations are connected to the __________
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Question 16 of 30
Q-16.If the first two bits of an HDLC control field both 1s, this signifies _______.
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Question 17 of 30
Q-17.The _______ layer is responsible for interoperability between two systems using different encoding methods.
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Question 18 of 30
Q-18.In _______ encoding positive, negative, and zero amplitudes represent the bits
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Question 19 of 30
Q-19.To send data, a DQDB station needs to _______.
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Question 20 of 30
Q-20.An MTSO searches for the location of a mobile phone by sending query signals to each cell in a process called _______.
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Question 21 of 30
Q-21.Which data link layer function answers the question: How can errors be detected and handled?
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Question 22 of 30
Q-22.Transit time and response time measure the _______ of a network
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Question 23 of 30
Q-23.Which method can detect all single-bit errors?
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Question 24 of 30
Q-24.In distance vector routing, the routing table for each router is ___________ other routers
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Question 25 of 30
Q-25.A required characteristics of an online real-time system is
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Question 26 of 30
Q-26.The DLCIs in Frame Relay are defined as part of the _________ field.
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Question 27 of 30
Q-27.The OSI model is a _______ layer model for the design of network systems.
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Question 28 of 30
Q-28. _______ is a variation of AMI.
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Question 29 of 30
Q-29.Which among the following is not a guided transmission media?
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Question 30 of 30
Q-30.A DQDB device accesses a bus link through _______.
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