Computer Science :: Computer Networking
- RS-232-G
- A subdivision of main storage created by operational software is referred to as a:
- RS-449/442-A/423-A is
- Which of the following digits are known as the area code of the Network User Address (NUA)?
- End-to-end connectivity is provided from host-to-host in:
- A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as
- CSMA (Carrier Sense Multiple Access) is
- Which of the following summation operation is performed on the bits to check an error-detecting code?
- The standard suit of protocols used by the Internet, intranets, extranets, and some other networks.
- Networks that follow the 802.5 standard appear to be in a star topology but are actually operating in what type of topology?
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A.
is an interface between two data circuit terminating equipment as examplified by a local and remote modem |
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B.
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment |
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C.
specifies only the mechanical characteristics of an interface by providing a 25-pin connector |
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D.
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines |
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E.
None of the above |
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A.
a set of physical layer standards developed by EIA and intended to replace RS-232-C. |
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B.
a check bit appended to an array of binary digits to make the sum of the all the binary digits |
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C.
a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression the resulting expression will not conform to the rules of construction and |
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D.
the ratio of the number of data units in error to the total number of data units |
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E.
None of the above |
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A.
a method of determining which device has access to the transmission medium at any time |
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B.
a method access control technique for multiple-access transmission media. |
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C.
a very common bit-oriented data link protocol issued by ISO. |
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D.
network access standard for connecting stations to a circuit-switched network |
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E.
None of the above |