Computer Science :: Computer Networking
- When UPC is used, the price of the item is located
- Error control is needed at the transport layer because of potential errors occurring _____.
- The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are
- Communication between computers is almost always
- Which of the following is considered a broadband communications channel?
- Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.
- Which of the following characteristics is not true of NetBEUI?
- The difference between a multiplexer and a statistical multiplexer is
- You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?
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A.
Statistical multiplexers need buffers while multiplexers do not need buffers |
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B.
Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol |
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C.
Multiplexers often waste the output link capacity while statistical multiplexers optimize its use |
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D.
Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) |
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E.
None of the above |