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Computer Science - Networking

Exercise : Networking - Section 8
36.
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
An additional token is added for every 1,000 nodes
The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500
The network becomes less efficient
After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device
The network becomes more efficient
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
A characteristic of a multiprogramming system is:
simultaneous execution of program instructions from two applications
concurrent processing of two or more programs
multiple CPUs
All the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
When a host knows its physical address but not its IP address, it can use _____.
RARP
ARP
IGMP
ICMP
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?
Handshaking
Modem options
Protocol
Duplexing
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer:
Fiber optic cables
Cellular phone systems
Telecommunications processors
Telecommunications software
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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