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เตรียมตัวสอบ CISA
| Area 03 : Question 20 ( C2 - 20 ) |
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3
4
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Question : In Wide Area Networks ( WANs )
| A) |
data flow can be half duplex or full duplex. |
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| B) |
communication lines must be dedicated. |
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| C) |
circuit structure can be operated only over a fixed distance. |
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| D) |
the selection of communication lines will affect reliability. |
| Question |
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| Choice : A |
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| Choice : B |
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| Choice : C |
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| Choice : D |
The Correct Answer is :
D. the selection of communication lines will affect reliability.
Explanation :
The selection of communication lines, modems, software, etc. will have a great effect on network reliability.
Choice A could also be correct.
In wide area networks, data flow can be half duplex or full duplex, though incomplete.
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