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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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（）conveys a signal of desired rudder angle from the bridge and activates the power unit and transmission system unit the desired angle is reached.
A . The control equipment
B . The power unit
C . The transmission system
D . The follow-up mechanism
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Most Navigation System equipment is（）from the bridge, a unique location that allows for a centralized,safe and efficient management of ship navigation.
A . accessible
B . restricted
C . deterred
D . far away
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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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Bridge orders must be （） and a record of any required changes in speed and direction should be kept.
A . slowly carried away
B . carried out with a period of delay
C . promptly carried out
D . paid by the captai
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Cold clearances between the skirt of an aluminum piston and the cylinder liner is about （）
A . twice as large as with a cast iron piston
B . the same size as with a cast iron piston
C . half as large as with a cast iron piston
D . the same size as the crown of an aluminum pisto
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Which of the following are true regarding bridges and switches?（）
A . Bridges are faster than switches because they have fewer ports.
B . A switch is a multiport bridge.
C . Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
D . A bridge will forward a broadcast but a switch will not.
E . Bridges and switches increase the size of a collision domain.
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Which of the following settings will reduce packet overhead and overall latency in a standalone point-to-point bridge deployment？（）
A . enable concatenation on the non-root bridge only
B . enable concatenation on the root bridge only
C . enable concatenation on both the root bridge and non-root bridge
D . enable concatenation on the root bridge and set it as desirable on the non-root bridge
E . set concatenation as desirable on the root bridge and enable it on the non-root bridge
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When optimizing a standalone point-to-multipoint bridge installation with eight non-root bridges，which of the following RTS threshold and CWmin settings would be correct for the non-root bridges？（）
A . RTS threshold = 1，CWmin = 4
B . RTS threshold = 4000，CWmin = 5
C . RTS threshold = 4000，CWmin = 3
D . RTS threshold = 1，CWmin = 5
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（）is a room on or near the bridge provided with the necessary fittings and furniture for the handling and stowage of charts and where the chronometers are placed.
A . Captain's cabin
B . Chief Officer's locker
C . Chartroom
D . Pilot's cabi
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The information regarding ports such as buoyed channels,fairway,location and number of terminals,river channels,details of navigational marks,location of overhead bridges, underground cables etc. are shown in（）
A . small-scale charts
B . medium-scale charts
C . large-scale charts
D . natural scale chart
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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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THE MASTER WHEN CALL TO THE BRIDGE AND TAKING OVER THE CONN FROM THE OFFICER OF THE WATCH ，SHOULD SAY：YOU NOW HAVE THE CONN。
A . 正确
B . 错误
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When optimizing a standalone point-to-multipoint bridge installation with eight non-root bridges Which of the following rts threshold and cwmin settings would be correct for the non-root bridges？（）
A . rts threshold = 1，cwmin = 4
B . rts threshold = 4000，cwmin = 5
C . rts threshold = 4000，cwmin = 3
D . rts threshold = 1，cwmin = 5
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Which of the following settings will reduce packet overhead and overall latency in a standalonepoint-to-point bridge deployment？（）
A . enable concatenation on the non-root bridge only
B . enable concatenation on the root bridge only
C . enable concatenation on both the root bridge and non-root bridge
D . enable concatenation on the root bridge and set it as desirable on the non-root bridge
E . set concatenation as desirable on the root bridge and enable it on the non-root bridge
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THE MASTER WHEN CALL TO THE BRIDGE AND TAKING OVER THE CONN. FROM THE OFFICER OF THE WATCH , SHOULD SAY（）.
A . A、I NOW HAVE THE WATCH.
B . B、I NOW HAVE THE CONN.
C . C、YOU NOW HAVE THE WATCH.
D . D、YOU NOW HAVE THE CONN.
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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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When optimizing a standalone point-to-multipoint bridge installation with eight non-root bridges. Which of the following rts threshold and cwmin settings would be correct for the non-root bridges？（）
A . rts threshold=4000，cwmin=3
B . rts threshold=1，cwmin=4
C . rts threshold=4000，cwmin=5
D . rts threshold=1，cwmin=5
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（）A room on or near the bridge provided with the necessary fittings and furniture for the handling and stowage of charts and where the chronometers are placed.
A . Captains cabin
B . Chief officer;s locker
C . Chartroom
D . Pilots cabi
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When two bridges are competing for the root bridge of an IEEE 802.1D spanning tree and both have the same bridge priority configured， which parameter determines the winner？（）
A . highest-numbered IP interface
B . MAC address
C . device uptime
D . root port cost
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The（）of the telemotor is built the steering wheel console and located on the bridge.
A . transmitter
B . receiver
C . pipes
D . charging unit
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The ________ goal of the book is to help bridge the gap between research and teaching， particularly between researchers and teachers.
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翻译句子Valentine's Day in China, the seventh day of the seventh lunar month, Niu Lang and Zhi Nv will meet on a bridge of magpies across the Milky Way.
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Large sums of money have to ______ each year in painting the steelwork of bridges, ships, and other exposed structures.
A．spend
B．be spending
C．be spent
D．have spent
