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【单项选择题】

If the beacon is mounted at a wrong place, it may()by sea water, chemicals, exhaust and vibrations.

A、A.be damaged

B、B.work normally regardless of harmful conditions

C、C.not wok though it is not in a bad condition

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第1题

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第2题

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第3题

A、If the interface is disabled, the logical unit will administratively shutdown.  B、If the interface is deactivated, the physical interface will administratively shutdown.  C、If the interface is deactivated, the interface configuration is ignored during commit.  D、If the interface is disabled, the logical unit configuration is ignored during commit.  

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第4题

A、If a router is used, the collision domain includes all devices connected to the router  B、If a hub is used, the colision domain is limited to each device and the hub  C、If a switch is used, the collision domain is limited to each device and the switch  D、If a bridge is used, the collision domain includes all devices connected to the bridge  

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第5题

A、If a router is used, the collision domain includes all devices connected to the router.  B、If a hub is used, the collision domain is limited to each device and the hub.  C、If a switch is used, the collision domain is limited to each device and the switch.  D、If a bridge is used, the collision domain includes all devices connected to the bridge.  

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第6题

A、If a router is used, the collision domain includes all devices connected to the router.  B、If a hub is used, the collision domain is limited to each device and the hub.  C、If a switch is used, the collision domain is limited to each device and the switch.  D、If a bridge is used, the collision domain includes all devices connected to the bridge.  

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第7题

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第8题

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第9题

A、If a switch is used, the collision domain is limited to each device and the switch  B、If a hub is used, the collision domain is limited to each device and the hub  C、If a hub is used, the collision domain includes all devices connected to the hub  D、If a switch is used, the collision domain includes all devices connected to the switch  

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