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Computer Networking

1
In a network of LANs connected by bridges, packets are sent from one LAN to another through intermediate bridges. Since more than one path may exist between two LANs, packets may have to be routed through multiple bridges.Why is the spanning tree algorithm used for bridge-routing?


A. For shortest path routing between LANs
B. For avoiding loops in the routing paths
C. For fault tolerance
D. For minimizing collisions
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2
THE IP ADDRESS 239.25.25.26 WOULD BELONG TO :


A. Class A
B. Class B
C. Class C
D. Class D
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3
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?


A. Park
B. Bridge
C. Interface
D. Link
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4
The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as


A. 148.20.2.30
B. 164.100.9.61
C. 210.20.2.64
D. 128.10.2.30
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5

WHICH OF THE FOLLOWING IS NOT A NETWORK LAYER PROTOCOL ?

A. Ethernet
B. IP
C. ARP
D. RARP
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