Computer Networks - Computer Networks Section 2
21. The station-to-hub distance in which of the following is 2000 meters ?
- Option : B
- Explanation : The distance between station-to-hub in 100 Base - TX is 100 meters. But in 100-Base-FX design. The distance between station-to-hub is 2000 meters.
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- Option : C
- Explanation : Base band Ethernet LAN uses Manchester encoding
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23. Which of the given below houses the switches in Token Ring ?
- Option : B
- Explanation : MAU (Multistation Access Unit) :
Individual automatic switches are combined into a hub called a multistation access unit (MAU) and MAU can support up to eight stations. Token ring uses the MAU
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24. Which of the following uses an 8B/6T encoding scheme?
- Option : C
- Explanation : 100 base-T4 requires four pairs of unshielded twisted pair cable to reduce baud rate of transmission (number of signal changes) 8B/6T (eight binary / six ternary) is used in which each block of eight bits is transformed into six bauds of three voltages levels.
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25. IBM's Token-Ring network uses
- Option : A
- Explanation :
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