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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

_____ is another kind of fiber optic network with an active star for switching .

A

S/NET

B

SW/NET

C

NET/SW

D

FS/NET

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

_________ is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbit/s against the original Ethernet speed of 10 Mbit/s .

A

Ethernet

B

 Fast Ethernet

C

Gigabit Ethernet

D

Gigabyte Ethernet

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Which of the following are Gigabit Ethernets ?

A

1000 BASE-SX

B

 1000 BASE-LX

C

1000 BASE-CX

D

All of the mentioned

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

_______ is a high performance fiber optic token ring LAN running at 100 Mbps over distances upto 1000 stations connected .

A

FDDI

B

FDDT

C

FDDR

D

 FOTR

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

State whether true or false.
i) A connection oriented protocol can only use unicast addresses.

See more

A

True, True

B

True, False

C

False, True

D

False, False

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

______ implies that all subnets obtained from the same subnet mask .

A

Static subnetting

B

 Dynamic subnetting

C

Variable length subnetting

D

Dynamic length subnetting

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

 The combination of _________ and __________ is often termed the local address of the local portion of the IP address .

A

Network number and host number

B

Network number and subnet number

C

Subnet number and host number

D

 Host number

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

If you wanted to have 12 subnets with a Class C network ID, which subnet mask would you use ?

A

255.255.255.252

B

255.255.255.255

C

255.255.255.240

D

255.255.255.248

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

You have an IP address of 172.16.13.5 with a 255.255.255.128 subnet mask. What is your class of address, subnet address, and broadcast address ?

A

Class A, Subnet 172.16.13.0, Broadcast address 172.16.13.127

B

Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.127

C

Class B, Subnet 172.16.13.0, Broadcast address 172.16.13.255

D

Class B, Subnet 172.16.0.0, Broadcast address 172.16.255.255

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Which of the following is the broadcast address for a Class B network ID using the default subnetmask ?

A

172.16.10.255

B

255.255.255.255

C

172.16.255.255

D

172.255.255.255

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

ATM uses _____________

A

asynchronous frequency division multiplexing

B

asynchronous space division multiplexing

C

asynchronous time division multiplexing

D

asynchronous amplitude division multiplexing

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

What is FRAD in frame relay network?

A

FRAD assembles and disassembles the frames coming from other protocols

B

FRAD is used for error detection

C

FRAD is used for modulation and demodulation

D

FRAD is used for error recovery

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

In frame relay networks, extended address is used _______

A

for error detection

B

 to increase the range of data link connection identifiers

C

for encryption

D

for error recovery

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Frame relay has _______

A

only physical layer

B

only network layer

C

both physical and data link layer

D

only data link layer

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Virtual circuit identifier in frame relay is called ______

A

data link connection identifier

B

cell relay identifier

C

frame relay identifier

D

circuit connection identifier

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

An ATM cell has the payload field of ________

A

48 bytes

B

32 bytes

C

128 bytes

D

64 bytes

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

ATM and frame relay are _______

A

virtual circuit networks

B

virtual private networks

C

datagram networks

D

virtual public networks

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Beyond IP, UDP provides additional services such as _____

A

Sending and receiving of packets

B

Multiplexing and demultiplexing

C

Demultiplexing and error checking

D

Routing and switching

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Return value of the UDP port “Chargen” is _______

A

Array of characters with integers

B

Array of zero’s and one’s

C

 String of integers

D

String of characters

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Computer Networking
51 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

 Which of the following is false with respect to UDP ?

A

Transport layer protocol

B

 Low overhead

C

Unreliable

D

Connection-oriented

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