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The bridge is fitted________ two radars.
A.before
B.with
C.from
D.on
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Which two of the following values does STP take into consideration when it elects the root bridge? (Select two answer choices)A. The BPDU version numberB. The access layer bridge settingC. The Bridge IDD. The spanning-tree update numberE. The bridge priorityF. The VLAN number
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You want to influence the root bridge selection within the Ezonexam LAN. Which two values are used by spanning tree protocol to elect a root bridge? (Choose two.)A. Amount of RAMB. Speed of the linksC. IOS VersionD. MAC AddressE. Bridge PriorityF. IP AddressG. Router ID
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The World's Longest BridgeRumor has it that a legendary six-headed monster lurks in the deep waters of the Tyrrhenian Sea between Italy and the island of Sicily._______(46)When completed in 2010,the world's longest bridge will weigh nearly 300,000 tons一equivalent to the iceberg that sank the Titanic一and stretch 5 kilometers long."That's nearly 50 percent longer than any other bridge ever built."says structural engineer Shane Rixon._______(47)They're suspension bridges,massive structures built to span vast water channels or gorges.A suspension bridge needs just two towers to shoulder the structure's mammoth weight, thanks to hefty supporting cables slung between the towers and anchored firmly in deep pools of cement at each end of the bridge.The Messina Strait Bridge will have two 54,100-ton towers,which will support most of the bridge's load.The beefy cables of the bridge,each 1.2 meter in diameter, will hold up the longest and widest bridge deck ever built.When construction begins on the Messina Strait Bridge in 2005,the first job will be to erect two 370 meter-tall steel towers._______(48)Getting these cables up will be something. It's not just their length一totally 5.3 kilometers一but their weight._______(49)After lowering vertical"suspender"cables from the main cables,builders will erect a 60- meter一wide 54,630一ton steel roadway,or deck一wide enough to accommodate 12 lanes of traffic.The deck's weight will pull down on the cables with a force of 70,500 tons.In return,the cables yank up against their firmly rooted anchors with a force of 139,000 tons一equivalent to the weight of about 100,000 cars. Those anchors are essential._______(50)_______（49）A:Some environmentalists are against the project on biological grounds.B:What do the world's longest bridges have in common?C: If true ,one day you might spy the beast while zipping（呼啸而过）across the Messina Strait Bridge.D:They're what will keep the bridge from going anywhere.E:The second job will be to pull two sets of steel cables across the strait,each set being a bundle of 44,352 individual steel wires.F: They will tip up the scales at 166,500 tons一more than half the bridge's total mass.
考题
Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree Protocol IEEE 802.1D？ （）A、Designated Root CostB、bridge ID priorityC、max ageD、bridge ID MAC addressE、Designated Root PriorityF、forward delay
考题
Which two values are used by Spanning Tree Protocol to elect a root bridge?（）A、amount of RAMB、bridge priorityC、IOS versionD、IP addressE、MAC addressF、speed of the links
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Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree ProtocolIEEE 802.1 D？（）A、Designated Root CostB、bridge ID priorityC、max ageD、bridge ID MAC addressE、Designated Root PriorityF、forward delay
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Which statement is true about TCN propagation？（）A、The originator of the TCN immediately floods this information through the network.B、The TCN propagation is a two step process.C、A TCN is generated and sent to the root bridge.D、The root bridge must flood this information throughout the network.
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Which two statements are true when the extended system ID feature is enabled？ （）A、The BID is made up of the bridge priority value（two bytes） and bridge MAC address （six bytes）.B、The BID is made up of the bridge priority （four bits）， the system ID （12 bits）， and a bridge MAC address （48 bits）.C、The BID is made up of the system ID （six bytes） and bridge priority value （two bytes）.D、The system ID value is the VLAN ID （VID）.E、The system ID value is a unique MAC address allocated from a pool of MAC addresses assigned to the switch or module.F、The system ID value is a hex number used to measure the preference of a bridge in the spanning-tree algorithm.
考题
Which two of the following values does STP take into consideration when it elects the root bridge?（）A、The BPDU version numberB、The access layer bridge settingC、The Bridge IDD、The spanning-tree update numberE、The bridge priorityF、The VLAN number
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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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Which two multicast modes are valid options for use with Ethernet bridging on a mesh AP?（）A、mesh bridge inB、regularC、bi-directional bridgeD、inE、out
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Which two values are used by Spanning Tree Protocol to elect a root bridge (Choose two.)（）。A、amount of RAMB、bridge priorityC、IOS versionD、IP addressE、MAC addressF、speed of the links
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Last december you erected a bridge link between two buildings on your campus. it is now april and the foliage in the trees is full， and the bridge link will no longer maintain connectivity. Which action will most likely solve the problem？（）A、change the channel selection.B、install higher gain antennas.C、raise the antennas.D、increase transmitter power.
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单选题The Tricounty Bridge was supposed to relieve traffic in East Countway County. Although the bridge was opened last year, traffic in the county has gotten worse over the last year. To relieve the traffic situation in East Countway, therefore, the traffic commission should order the Tricounty Bridge closed. Which of the following, if true, gives the most support to the conclusion of the passage above?A
The increased traffic seen in East Countway over the last year is largely attributable to a large casino and resort hotel that opened for business shortly after the opening of the Tricounty Bridge.B
The Tricounty Bridge allows inhabitants of heavily populated West Countway County to reach East Countway in less than a half-hour, as opposed to the two hours the trip required before the opening of the bridge.C
The bridge is only open for the periods 7-9 a. m. and 3-5 p.m. on weekdays.D
Ship captains on the Countway River have complained that the bridge disrupts shipping on the river, thereby hurting the local economy.E
The bridge is unlikely ever to pay for itself with the current low toll payment.
考题
单选题Which statement is true about TCN propagation？（）A
The originator of the TCN immediately floods this information through the network.B
The TCN propagation is a two step process.C
A TCN is generated and sent to the root bridge.D
The root bridge must flood this information throughout the network.
考题
单选题The construction of the new bridge has been（）for two weeks because of the bad weather.A
devotedB
developedC
dependedD
delayed
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单选题Which of the following is false?（）A
preparation for stand-by should be organized by engine roomB
engine trails should be agreed with bridge, and then do itC
As to engine trials of the twin diesels and two propellers, the two diesels should use “slow ahead” at the same timeD
After engine trials, the handle of the engine telegraph should be put in the “stop” position
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单选题A tow that is properly aligned to pass through a narrow opening between two bridge piers is （）.A
on courseB
headed fairC
holding onD
in shape
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多选题Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)（）。Aamount of RAMBbridge priorityCIOS versionDIP addressEMAC addressFspeed of the links
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多选题Which two values are used by Spanning Tree Protocol to elect a root bridge?（）Aamount of RAMBbridge priorityCIOS versionDIP addressEMAC addressFspeed of the links
考题
单选题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 interfaceB
MAC addressC
device uptimeD
root port cost
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多选题Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree Protocol IEEE 802.1D？ （）ADesignated Root CostBbridge ID priorityCmax ageDbridge ID MAC addressEDesignated Root PriorityFforward delay
考题
多选题Which two of the following values does STP take into consideration when it elects the root bridge?（）AThe BPDU version numberBThe access layer bridge settingCThe Bridge IDDThe spanning-tree update numberEThe bridge priorityFThe VLAN number
考题
多选题Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree ProtocolIEEE 802.1 D？（）ADesignated Root CostBbridge ID priorityCmax ageDbridge ID MAC addressEDesignated Root PriorityFforward delay
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