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 sum of the _______ should be a value close to the TTRT.
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Question 2 of 30
Q-2.GSM(Global System for Mobile Communication) is a _______ digital mobile telephones standard using a combination Time Division Multiple Access(TDMA) and FDMA(Frequency Division Multiple Access)
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Question 3 of 30
Q-3.The most flexibility in how devices are wired together is provided by ______
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Question 4 of 30
Q-4.The OSI _______ layer is implemented mainly by software
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Question 5 of 30
Q-5.In a _______ a wide range of incoming waves is directed to a common point called the focus
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Question 6 of 30
Q-6.Selective reject ARQ is a _______ error control method.
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Question 7 of 30
Q-7.Which factor makes fiber-optic cable superior to twisted-pair cable?
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Question 8 of 30
Q-8.The word telematics is a combination of _________
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Question 9 of 30
Q-9.The HDLC _______ indicate the number of the frame being sent.
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Question 10 of 30
Q-10.An acknowledgment at the PLP layer is encapsulated in _________ at the data link layer.
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Question 11 of 30
Q-11.In ______ resolution the client is in direct contact more than one server.
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Question 12 of 30
Q-12.FDM uses _______ to prevent modulated signals from overlapping
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Question 13 of 30
Q-13.To confirm the termination of an SVC connection, the receiving device issues a _______ frame.
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Question 14 of 30
Q-14.A station on an ENQ/ACK system sends _______ frame to initiate transmission.
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Question 15 of 30
Q-15.There is congestion between DTE A and DTE B in both directions. The packet going from A to B has BECN bit _______ and FECN bit _________.
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Question 16 of 30
Q-16.The ________ flag indicates the availability of a router.
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Question 17 of 30
Q-17.The address field of a frame is 00000100 00011111. What is the DLCI?
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Question 18 of 30
Q-18._______ cable is not susceptible to most noise that is electrical in nature.
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Question 19 of 30
Q-19.At SIP level _______ a five-byte header is added.
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Question 20 of 30
Q-20.The value of the protocol field for the PAP protocol is ________.
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Question 21 of 30
Q-21.PSS was introduced in the year ________
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Question 22 of 30
Q-22.In virtual circuit network each packet contains
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Question 23 of 30
Q-23.Every PLP packet is encapsulated in ___________ at the data link layer.
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Question 24 of 30
Q-24.What is the netid of the address 200.66.10.21?
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Question 25 of 30
Q-25.The reassembly of packets into the original message is a function of the _______ layer
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Question 26 of 30
Q-26.in a _______ topology, each device has a dedicated point-to-point connection with exactly two other devices
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Question 27 of 30
Q-27.If device X has 10 downstream stations and 3 upstream stations, how many stations are on the DQDB bus?
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Question 28 of 30
Q-28.When was Modem invented and in which country?
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Question 29 of 30
Q-29.X.25 uses _______ connections.
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Question 30 of 30
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