Limit switches are used on which davits?（）..

第1题

[单选题] What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?（）

A、All switch and bridge ports are in the forwarding state. B、All switch and bridge ports are in the stand-by state. C、All switch and bridge ports are assigned as either root or designated ports. D、All switch and bridge ports are in either the forwarding or blocking state. E、All switch and bridge are either blocking or looping.

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第2题

[单选题] After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.

A、hoist man B、limit switch C、brake handle D、preventer bar

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第3题

[多选题] Which of the following statements are true regarding bridges and switches?（）

A、Switches are primarily software based while bridges are hardware based. B、Both bridges and switches forward Layer 2 broadcasts. C、Bridges are frequently faster than switches. D、Switches have a higher number of ports than most bridges. E、Bridges define broadcast domains while switches define collision domains. F、Both bridges and switches make forwarding decisions based on Layer 2 addresses.

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第4题

[多选题] Which of the following statements are true regarding bridges and switches?（）

A、Switches are primarily software based while bridges are hardware based. B、Both bridges and switches forward Layer 2 broadcasts. C、Bridges are frequently faster than switches. D、Switches have a higher number of ports than most bridges. E、Bridges define broadcast domains while switches define collision domains. F、Both bridges and switches make forwarding decisions based on Layer 2 addresses.

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第5题

[多选题] Which of the following statements are true regarding bridges and switches (Choose 3.)（）。

A、Switches are primarily software based while bridges are hardware based. B、Both bridges and switches forward Layer 2 broadcasts. C、Bridges are frequently faster than switches. D、Switches have a higher number of ports than most bridges. E、Bridges define broadcast domains while switches define collision domains. F、Both bridges and switches make forwarding decisions based on Layer 2 addresses.

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第6题

[多选题] With regard to bridges and switches, which of the following statements are true?（）

A、Switches are primarily software based while bridges are hardware based. B、Both bridges and switches forward Layer 2 broadcasts. C、Bridges are frequently faster than switches. D、Switches typically have a higher number of ports than bridges. E、Bridges define broadcast domain while switches define collision domains. F、Both bridges and switches make forwarding decisions based on Layer 2 addresses.

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第7题

[] After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.

A、A.hoist man B、B.limit switch C、C.brake handle D、D.preventer bar

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第8题

[单选题] Which statement describes a spanning-tree network that has converged?（）

A、All switch and bridge ports are in the forwarding state. B、All switch and bridge ports are assigned as either root or designated ports. C、All switch and bridge ports are in either the forwarding or blocking state. D、All switch and bridge ports are either blocking or looping.

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第9题

[单选题] The limit switches on a ships survival-craft winch system（）.

A、stop the winch just before the craft reaches the final stowage position B、limit the amount of cable on the drum C、limit the ascent rate D、stop the winch in case the craft weighs too much

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Limit switches are used on which davits?（）

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