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.Which of the following condition is used to transmit two packets over a medium at the same time?
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Question 2 of 30
Q-2.The value of a simple sine wave at time zero is its maximum positive value. The phase shift is therefore _______ degrees.
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Question 3 of 30
Q-3.A 256-QAM modulated signal has a bit rate of 8000; there are _______ bits per baud
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Question 4 of 30
Q-4.A _________ is a high-speed path composed of multiplexed channels.
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Question 5 of 30
Q-5.Which of the following systems provides the highest data rate to an individual device?
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Question 6 of 30
Q-6.At SIP level 1, the _______ is defined.
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Question 7 of 30
Q-7.E-mail is a service handled by the _______ layer.
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Question 8 of 30
Q-8.Which of the following is not a guided medium?
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Question 9 of 30
Q-9.The _______ of a signal is the collection of all its component frequencies
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Question 10 of 30
Q-10.Transit time and response time measure the _______ of a network
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Question 11 of 30
Q-11._____________ specifies a star topology featuring a central hub and unshielded twisted-pair wire as
the medium.
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Question 12 of 30
Q-12.The number of users on a network has the greatest impact on the network's _______
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Question 13 of 30
Q-13.The SMDS is similar to which transfer mode
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Question 14 of 30
Q-14.Transmission media are usually categorized as __________
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Question 15 of 30
Q-15.The window size for a short packet at the PLP layer is _________.
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Question 16 of 30
Q-16.A sender has a sliding window of size 15. The first 10 frames are sent. How many frames are in the window now?
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Question 17 of 30
Q-17.While transmitting odd -parity coded symbols, the number of zero in each symbol is _______
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Question 18 of 30
Q-18.The _______ layer allows two systems to enter into a dialog.
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Question 19 of 30
Q-19.The amount of uncertainty in a system of symbol is called ______
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Question 20 of 30
Q-20.The protocol used to report a problem in the IP packet is called _______.
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Question 21 of 30
Q-21._______ consists of 2 conductors twisted round each other.
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Question 22 of 30
Q-22.The transmission signal coding method of TI carrier is called _________
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Question 23 of 30
Q-23.The highest STS level has a data rate of _________ Mbps.
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Question 24 of 30
Q-24.An FDDI synchronous data frame means that _______.
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Question 25 of 30
Q-25.What is the frequency range used for FM radio transmission?
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Question 26 of 30
Q-26.The purpose of _______ is to compensate for an attenuated signals loss
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Question 27 of 30
Q-27.A brouter supports two protocols. If it receives a packet not related to any of these protocol, it acts as a ___________.
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Question 28 of 30
Q-28.A BRI frame has _______ bits.
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Question 29 of 30
Q-29.Network failure is primarily a _______ issue
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Question 30 of 30
Q-30.In _______ encoding one amplitude represents a 1 bit and zero amplitude represents a 0 bit (or vice versa).
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