Exercise: Networking

Questions for: Networking

When a host knows its physical address but not its IP address, it can use _____.
A:
RARP
B:
ARP
C:
IGMP
D:
ICMP
Answer: A
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A characteristic of a multiprogramming system is:
A:
simultaneous execution of program instructions from two applications
B:
concurrent processing of two or more programs
C:
multiple CPUs
D:
All the above
Answer: B
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The Token-Ring architecture was developed for a more efficient way to determine who should be transmitting at any one time. With Ethernet, collisions may take place, causing the transmitting computers to have to retransmit their data. The use of token guarantees that only one computer can transmit at a time. What happens as the network increases in size? Choose the best answer
A:
An additional token is added for every 1,000 nodes
B:
The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500
C:
The network becomes less efficient
D:
After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device
Answer: E
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Different computers are connected to a LAN by a cable and a/an
A:
modem
B:
interface card
C:
special wires
D:
telephone lines
Answer: B
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Which of the following might be used by a company to satisfy its growing communications needs?
A:
front-end processor
B:
multiplexer
C:
controller
D:
concentrator
Answer: E
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