Question # 1

The Gigabit Ethernet hardware operates at a rate of --------

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10 Mbps

100 Mbps

1000 Mbps

None of the above

________ is used for typical data applications (where the data rate may be unknown and bursty) and allows use of whatever bandwidth is available at a given time.

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Constant Bit Rate (CBR) service

Variable Bit Rate (VBR) service

Available Bit Rate (ABR) service

None of the given

Unlike Frame Relay and ATM, SMDS (Switched multi-megabit Data service) offers______

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Connectionless service paradigm

Connection oriented service paradigm

Both Connectionless and Connection-oriented service paradigm

None of the given

Computers attached to an Ethernet use ------ in which a computer waits for the ether to be idle before transmitting a frame.

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CSMA/CD

CSMA/CA

TOKEN PASSING

none of the above

Router detects datagram --------- than network MTU and then it splits into pieces and each piece is ----------than outbound network MTU.

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Larger, smaller

Larger, larger

Smaller, larger

Smaller, smaller

In -------------, network occupies the smaller area like a room a floor or a building

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LAN

WAN

MAN

None of the given

_______ protocols of TCP/IP layering model specify how to ensure reliable transfer.

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Physical Layer

Network Interface Layer

Internet Layer

Transport Layer

Find the class of the address: 11110011 10011011 11111011 00001111

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A

B

E

C

When an application--------------- data, it makes a copy of the data available to all other computers on the network.

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Broadcasting

Multicasting

Unicasting

None of the above

Whenever it handles a packet, IP software needs to separate the destination address into a _________ and ___________.

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postfix, Infix

non of these

Infix, prefix

prefix, suffix

An interface for thin Ethernet must have an ____________ connector , and must generate signals according to the_____________ specification.

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RJ-45, 10 Base T

RJ-45, 10 Base 5

BNC, 10 Base 2

BNC, 10 Base T

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