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单选题
（）is an area within the radiotelephone coverage of at least one VHF coast station in which continuous Digital Selective Calling is available.
A
Sea Area A1
B
Sea Area A2
C
Sea Area A3
D
Sea Area A4
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An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）A. stub areaB. transit areaC. border areaD. not-so-stubby area
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What is defined as and area, excluding sea areas A1 and A2, within the coverage of an INMARSAT geostationary satellite in which continuous alerting is available?A.Ocean Area Regions AOR-E, AOR-W, POR or IORB.Sea Area A3C.Sea Area A4D.Coastal and Inland Waters
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Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?A.Each vent for the tank must be equal to the area of the tank filling lineB.The tanks must be protected by overflowsC.The total area of the vents or the overflow shall be at least equal to the area of the fill lineD.There must be twice as much vent area as the area of the fill line
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考题
You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）A、Internal routers within the backbone area (area 0)B、Internal routers within the NSSAsC、Internal routers within the stubby areasD、ASBRsE、ABRsF、DRs and BDRs
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Which of the following is true about an OSPF area border router (ABR)?（）A、The ABR must have multiple interfaces connected to the backbone areAB、An ABR is a router with two interfaces, each connected to a different nonbackbone areAC、The only requirement to be considered an ABR is at least one interface connected to the backbone areAD、An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA
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考题
An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）A、stub areaB、transit areaC、border areaD、not-so-stubby area
考题
单选题（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.A
Recommended Direction of Traffic FlowB
RoundaboutC
Separation Zone or LineD
Precautionary Area
考题
单选题At least（）two-way VHF radiotelephone apparatus shall be provided on every cargo ship of 300 tons gross tonnage and upwards but less than 500 tons gross tonnage.A
oneB
twoC
threeD
four
考题
多选题Which three statements about OSPF areas are true?（）AAreas introduce a boundary on the link - state updates.BAreas are logical definitions specific to any given router.CAll routers within an area have the exact link - state database.DThe calculation of the Dijkstra algorithm on a router is limited to changes within an area.EThe area designated router will always have a priority of 0.
考题
单选题You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）A
Internal routers within the backbone area (area 0)B
Internal routers within the NSSAsC
Internal routers within the stubby areasD
ASBRsE
ABRsF
DRs and BDRs
考题
单选题An OSPF non-backbone area allows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of SPF area does this describe？（）A
stub areaB
transit areaC
border areaD
not-so-stubby area
考题
单选题The operator of the ship’s radiotelephone，if the radiotelephone is carried voluntarily，must hold at least a（）.A
Mate's licenseB
Restricted radiotelephone operator permitC
Second-class radio operator's licenseD
Seaman's document
考题
单选题Which of the following is true about an OSPF area border router (ABR)?（）A
The ABR must have multiple interfaces connected to the backbone areAB
An ABR is a router with two interfaces, each connected to a different nonbackbone areAC
The only requirement to be considered an ABR is at least one interface connected to the backbone areAD
An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA
考题
单选题Which statement is TRUE concerning protection of double bottom tanks against excessive pressure? （）A
Each vent for the tank must be equal to the area of the tank filling lineB
The tanks must be protected by overflowsC
The total area of the vents or the overflow shall be at least equal to the area of the fill lineD
There must be twice as much vent area as the area of the fill line
考题
单选题By regulation，you MUST keep a record of the use of your radiotelephone for at least（）.A
one monthB
four monthsC
six monthsD
one year
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