MCQ of Computer Networking with answer set-4


1. Which of the following is not the layer of TCP/IP protocol?
A) Application Layer
B) Session Layer
C) Transport Layer
D) Internetwork layer

 2. ................... address use 7 bits for the <network> and 24 bits for the <host> portion of the IP address.
A) Class A
B) Class B
C) Class C
D) Class D


3. ............. addresses are reserved for multicasting.
A) Class B
B) Class C
C) Class D
D) Class E

4. State the following statement is true or false.
i) In class B addresses a total of more than 1 billion addresses can be formed.
ii) Class E addresses are reserved for future or experimental use.
A) True, False
B) True, True
C) False, True
D) False, False

5. Which of the following statement is true?
i) An address with all bits 1 is interpreted as all networks or all hosts.
ii) The class A network 128.0.0.0 is defined as the loopback network.
A) i only
B) ii only
C) Both A and B
D) None of the above

6. Which is not the Regional Internet Registers (RIR) of the following?
A) American Registry for Internet Numbers (ARIN)
B) Europeans Registry for Internet Numbers (ERIN)
C) Reseaux IP  Europeans (RIPE)
D) Asia Pacific Network Information Centre (APNIC)

7. Match the following IEEE No to their corresponding Name for IEEE 802 standards for LANs.
i) 802.3                                  a) WiFi
ii) 802.11                              b) WiMa
iii) 802.15.1                          c) Ethernet
iv) 802.16                             d) Bluetooth
A) i-b, ii-c, iii-d, iv-a
B) i-c, ii-d, iii-a, iv-b
C) i-c, ii-a, iii-d, iv-b
D) i-b, ii-d, iii-c, iv-a

8. ........... was the first step in the evolution of Ethernet from a coaxial cable bus to hub managed, twisted pair network.
A) Star LAN
B) Ring LAN
C) Mesh LAN
D) All of the above

9. ............... is the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable.
A) 100 BASE-T
B) 100 BASE-TX
C) 100 BASE-T4
D) 100 BASE-T2

10. IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twisted pair (UTP) category 5, 5e or 6 cabling known as ....................
A) 1000 BASE-T
B) 1000 BASE-SX
C) 1000 BASE-LX
D) 1000 BASE-CX

Answers:
1.       B) Session Layer
2.       A) Class A
3.       C) Class D
4.       B) True, True
5.       A) i only
6.       B) Europeans .....  (ERIN)
7.       C) i-c, ii-a, iii-d, iv-b
8.       A) Star LAN
9.       B) 100 BASE-TX
10.   A) 1000 BASE-T

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