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.If a secondary has no data to send, it returns _______ frame in response to a poll frame.
Your Answer:Correct
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Question 2 of 30
Q-2.Devices on one network can communicate with devices on another network via __________
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Question 3 of 30
Q-3.In a _______ a wide range of incoming waves is directed to a common point called the focus
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Question 4 of 30
Q-4.In a TST switch, if there are x first stage switches, one second stage switch, and y third stage switches, the second stage must have _______ crosspoints
Your Answer:Correct
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Question 5 of 30
Q-5.If the baud rate is 1200 and there are 4 bits for each signal element, then the bit rate is _______
Your Answer:Correct
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Question 6 of 30
Q-6.A receiver using stop-and-wait ARQ sends NAK frames numbered _______
Your Answer:Correct
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Question 7 of 30
Q-7.Cellular radio has another popular names as
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Question 8 of 30
Q-8.When a signal changes its form or shape, this type of transmission impairment is called _______
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Question 9 of 30
Q-9.A central computer surrounded by one or more satellite computers is _______
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Question 10 of 30
Q-10.In a connection-oriented exchange the last phase after all the data packets are transferred is _______.
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Question 11 of 30
Q-11.A 2-microsecond duration of noise caused a single-bit error. What is the minimum data rate?
Your Answer:Correct
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Question 12 of 30
Q-12.______ is a network that covers geographic areas that are larger, such as districts or cities
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Question 13 of 30
Q-13.How many ETX characters are in one message?
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Question 14 of 30
Q-14.Differential Manchester encoding is a _______ encoding method.
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Question 15 of 30
Q-15.Many large organization with their offices in different countries of the world connect their computers
through telecommunication satellites and telephone lines. Such communication network is called
_________
Your Answer:Correct
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Question 16 of 30
Q-16.In a noisy environment, the best transmission medium would be _________
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Question 17 of 30
Q-17.Poll/select is a _______ technique.
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Question 18 of 30
Q-18.Cell size is a function of _______.
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Question 19 of 30
Q-19.The final SIP level 3 data unit is _______ bytes.
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Question 20 of 30
Q-20.A _______ line configuration provides a dedicated link between two devices.
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Question 21 of 30
Q-21.In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from B with a route to N as Destination: N, Hop Count: 4. The new route to N should be _______________.
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Question 22 of 30
Q-22.Which type of FDDI node has one MIC?
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Question 23 of 30
Q-23.The inner core of an optical fiber is _____ in composition.
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Question 24 of 30
Q-24.What is the class of the address 248.22.33.1?
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Question 25 of 30
Q-25.The final SIP level 3 product is a data unit of _______ bytes.
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Question 26 of 30
Q-26.The THT is a function of the _______ and _______.
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Question 27 of 30
Q-27.Which bit is set by a station to reserve a slot?
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Question 28 of 30
Q-28.The maximum data rate of a full duplex ASK modem using four-wire regular telephone line is ___________ bps.
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Question 29 of 30
Q-29.IEEE is responsible for a standard for local area networks called _______
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Question 30 of 30
Q-30.In _______, an analog signal is sampled at equal intervals, with the resulting pulses still analog in value
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