Computer Science :: Computer Networking
- Which of the following statement is incorrect?
- Devices on one network can communicate with devices on another network via a
- After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
- You are working with a class C network. You are required to configure it for five subnets, each of which will support 25 nodes. What subnet should you use?
- A network designer wants to connect 5 routers as point-to-point simplex line. Then the total number of lines required would be
- Which of the following medium access control technique is used for bus/tree?
- A distributed data processing configuration in which all activities must pass through a centrally located computer is called a:
- The size or magnitude of a voltage or current waveform is
- Which of the following network access standard is used for connecting stations to a circuit-switched network?
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A.
The CCITT Recommendation X.25 specifies three layers of communication: physical, link and network. |
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B.
The second layer of communication is the data-link layer |
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C.
Errors in the physical layer can be detected by the data link layer |
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D.
The fourth layer, in reference to the OSI model, is the session layer |
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E.
None of the above |
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