海船船员考试

单选题Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from().A low steel on the Huey P. Long BridgeB mean sea levelC the local water tableD the minimum dam control level

题目
单选题
Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from().
A

low steel on the Huey P. Long Bridge

B

mean sea level

C

the local water table

D

the minimum dam control level

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相似问题和答案

第1题:

The statement of cash flows consists of an operating section, an income section, and an equity section.()


正确答案:错

第2题:

Under normal weather and sea conditions when securing a stack of containers with twist locks,lashings are required when the tier exceeds what height?

A.Lashings are always required

B.One container

C.Two containers

D.Three containers


正确答案:C

第3题:

YouareconfiguringthePRODdatabasetouseaninternaltuningalgorithmtomonitortheperformanceoftheworkload.Toachievethisconfiguration,youspecifythefollowingparametersettingsintheSPFILE:SGA_TARGET=512MSHARED_POOL_SIZE=256MWhichtwostatementsaretruewhenmodifyingtheSHARED_POOL_SIZEinitializationparameterintheSPFILE?()

A.ModifyingtheSHARED_POOL_SIZEinitializationparametercannotbeaccomplishediftheSGA_TARGETinitializationparameterissettoanon-zerovalue.

B.ModifyingthevalueoftheSHARED_POOL_SIZEinitializationparametertozeroisnotallowediftheSGA_TARGETinitializationparameterissettoanonzerovalue.

C.IncreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterdoesnotincreasethesharedpoolcomponentsize.Itsetsthelowerlimitforthesizeofthiscomponent.

D.DecreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterdoesnotreducethesizeofthesharedpoolcomponentimmediately.Itsetsthelowerlimitforthesizeofthiscomponent.

E.IncreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterimmediatelyincreasesthesharedpoolcomponenttothedesiredsizebyreallocatingtheadditionalmemoryfromtheauto-tunedmemorycomponents.

F.DecreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterimmediatelyshrinksthesharedpoolcomponenttothedesiredsizewhilereallocatingthereleasedmemorytothememorycomponentsthatarenotauto-tuned.


参考答案:D, E

第4题:

“标高”、“高度”和“高”分别用英文elevation,altitude,height表示。


正确答案:正确

第5题:

Under normal weather and sea conditions when securing a stack of containers with non-locking fittings,lashings are required when the tier exceeds what height ________.

A.Lashings are always required

B.One container

C.Two containers

D.Three containers


正确答案:A

第6题:

From 1800 to 1968 Admiralty charts were published with fathoms and feet as the units for depths,and feet as the units for height.Since 1968 Admiralty charts ________ to meters,thus conforming with charts of most other countries.

A.gradually converted

B.have been gradually converted

C.has been gradually converted

D.is gradually converted


正确答案:B

第7题:

Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from ______.

A.low steel on the Huey P. Long Bridge

B.mean sea level

C.the local water table

D.the minimum dam control level


正确答案:B

第8题:

YousetthevalueoftheSGA_TARGETinitializationparameterto1GtoenableOracletoautomaticallyresizemostofthememorycomponentsaccordingtothecurrentworkloadinthedatabase.Youissuethefollowingstatement:SQL>SELECTname,value,isdefault2FROMv$parameter3WHEREnameLIKE’%size%’;TheoutputofthisstatementdisplaysthattheDB_CACHE_SIZE,SHARED_POOL_SIZE,LARGE_POOL_SIZE,andJAVA_POOL_SIZEinitializationparameterscontainazerovalue.Whatdoesthisimply?()

A.TheSGA_TARGETinitializationparametercannotbesettoavaluelessthan1G

B.TheSGA_TARGETinitializationparametercannotbesettoavaluegreaterthan1G

C.TheMemoryAdvisoroftheOracleEnterpriseManager10gcannotbeusedtoobtainadviceontheimportantmemorycomponentsoftheSGA

D.ThevaluesoftheDB_CACHE_SIZE,SHARED_POOL_SIZE,LARGE_POOL_SIZE,andJAVA_POOL_SIZEinitializationparameterscannotbesetmanually.

E.NominimumlimitsareimposedontheDB_CACHE_SIZE,SHARED_POOL_SIZE,LARGE_POOL_SIZE,andJAVA_POOL_SIZEinitializationparameters.

F.TheAutomaticSharedMemoryManagementfeaturecannotbedisabledunlessyouspecifyvaluesfortheDB_CACHE_SIZE,SHARED_POOL_SIZE,LARGE_POOL_SIZE,andJAVA_POOL_SIZEinitializationparametersintheinitializationparameterfile.


参考答案:C, E

第9题:

管理员在交换机设置某条指令的时候,出现下述错误,
Error:The network section should be within the subnet of the pool.
则最可能执行的指令是( )

A.[Huawei-ip-pool-x]network 192.168.1.1 mask 24
[Huawei-ip-pool-x]gateway-list 192.168.2.2
B.[Huawei-ip-pool-x]network 192.168.1.1 mask 24
[Huawei-ip-pool-x]dns-list 192.168.2.2
C.[Huawei-ip-pool-x]network 192.168.1.1 mask 24
[Huawei-ip-pool-x]lease day 1000
D.[Huawei-ip-pool-x]network 192.168.1.1 mask 24
[Huawei-ip-pool-x]next-server 192.168.2.2

答案:A
解析:
此题主要考查对华为交换机的基础配置命令,显然错误提示为输入的网络没有在指定的地址池内。可以看到四个选项中,必须要求网关与地址池的地址在同一个子网,否则就会报错。因此答案是A。

第10题:

What is the maximum recommended height at which a Cisco Aironet 1000 Series controller-based accesspoint should be mounted when using integrated antennas?()

  • A、8 feet [2.4 meters]
  • B、16 feet [4.8 meters]
  • C、24 feet [7.3 meters]
  • D、40 feet [12.1 meters]

正确答案:B

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