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.In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from C with a route to N as Destination: N, Hop Count: 7. The new route to N should be _______________.
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Question 2 of 30
Q-2.The _______ register holds a value equal to twice the _______.
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Question 3 of 30
Q-3.The physical layer is responsible for
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Question 4 of 30
Q-4.When DQDB is implemented as a ring, _______ the slots.
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Question 5 of 30
Q-5._______ frame the data unit in asynchronous transmission
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Question 6 of 30
Q-6.Virtual circuit identifiers in Frame Relay operate in the _________ layer.
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Question 7 of 30
Q-7.A switch that waits until the whole packet has arrived before making routing decision, is called a _________ switch.
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Question 8 of 30
Q-8.Modulation is the process of ________
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Question 9 of 30
Q-9.The maximum data rate of a half duplex 2-PSK modem using a two-wire regular telephone line is ___________ bps
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Question 10 of 30
Q-10.What is the class of the address 10.11.1.21?
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Question 11 of 30
Q-11.In the short format, the size of an RR packet is _________ bytes.
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Question 12 of 30
Q-12.In a mesh topology with n devices, if a new device is added, _______ new links are needed
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Question 13 of 30
Q-13.The length of the window size field in TCP is _______ byte(s).
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Question 14 of 30
Q-14._______ exists only for the duration of the specific exchange
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Question 15 of 30
Q-15.TCP is ______________
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Question 16 of 30
Q-16.Disconnection and initialization are handled by the _______ frame.
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Question 17 of 30
Q-17.The _______ sampling rate is based on the Nyquist theorem.
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Question 18 of 30
Q-18.The entities comprising the corresponding layers on different machine are called ________
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Question 19 of 30
Q-19.IP addresses with subnetting have _________ level(s) of hierarchy.
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Question 20 of 30
Q-20.________ bursting allows a sender tot transmit a concatenated sequence of multiple frames in a single
transmission.
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Question 21 of 30
Q-21.To send data, a DQDB station needs to _______.
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Question 22 of 30
Q-22.Path overhead in an STS-1 frame contains _______ octets.
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Question 23 of 30
Q-23.FDDI specifies _______ encoding prior to NRZ-I encoding.
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Question 24 of 30
Q-24.Each ATM _______ contains a table to identify paths to other switches
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Question 25 of 30
Q-25.A decrease in magnitude of current, voltage, a power signal in transmission between points is known
as _________
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Question 26 of 30
Q-26.The data link control portion of most LAN protocols in use today is based on _______.
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Question 27 of 30
Q-27.An ISDN address can define up to _________ subscribers.
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Question 28 of 30
Q-28.In _______ the phase of the carrier signal is varied based on the information in a digital signal
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Question 29 of 30
Q-29.When a light beam is reflected back into the medium, the angle of _______ equals the angle of _______.
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Question 30 of 30
Q-30.A station on a 10BASE-T LAN can act as a _____________.
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