Physical Layer - Part 3 - MCQs with Answers

Physical Layer - Part 3 - MCQs with Answers

Network Categories (LAN, MAN, WAN)

1. Which kind of network category allows to communicate through common physical medium without the necessity of an intermediate switching node?

a. LAN
b. MAN
c. WAN
d. All of the above

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2. Which among the below given attributes are correct in accordance to LAN?

A. Transmission capacity is less than 1Mbps
B. Network coverage is accessible upto more than 5 square kilometers.
C. Data transmission occurs between the user stations
D. Low delay and error rate

a. A & B
b. C & D
c. B & C
d. A, B & D

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3. Which devices besides computer excogitate their applications in the form of DTEs (Digital Terminal Equipments) for official purposes while accessing through LANs?

a. Plotters
b. Printers
c. Electronic databases
d. All of the above

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4. What is the possible range of data transmission rate adopted by MAN?

a. 20- 100 Mbps
b. 34- 150 Mbps
c. 40- 190 Mbps
d. None of the above

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5. Which technique/mechanism is implemented for developing and organizing the MAN standard, contributing its sponsorship by IEEE,ANSI and RBO?

a. Distributed Queue Single Bus (DQSB)
b. Distributed Queue Dual Bus (DQDB)
c. Distributed Queue Directional Bus (DQDB)
d. Distributed Queue Data Bus (DQDB)

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6. How are the hosts in WAN are connected to each other?

a. By Subnets
b. By Routers
c. By interconnected multiple LANs
d. By nodes

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7. What is/are the major functionalities executed by the switching elements in Wide area networks?

a. Selection of precise outgoing line for an incoming data
b. Forwarding of precise data over the selected line
c. Both a & b
d. None of the above

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8. What is the purpose of an hierarchical addressing in WAN especially adopted in the functions associated with routing?

a. Identification of an interconnection strategy of input and output networks
b. Identification of small-sized packets
c. Utilization of store and forward subnets
d. All of the above

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