名词解释题基因库（gene pool）
名词解释题
基因库（gene pool）
参考解析
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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.
YousetthevalueoftheSGA_TARGETinitializationparameterto1GtoenableOracletoautomaticallyresizemostofthememorycomponentsaccordingtothecurrentworkloadinthedatabase.Youissuethefollowingstatement：SQLSELECTname，value，isdefault2FROMv$parameter3WHEREnameLIKE’%size%’；TheoutputofthisstatementdisplaysthattheDB_CACHE_SIZE，SHARED_POOL_SIZE，LARGE_POOL_SIZE，andJAVA_POOL_SIZEinitializationparameterscontainazerovalue.Whatdoesthisimply？（）A.TheSGA_TARGETinitializationparametercannotbesettoavaluelessthan1GB.TheSGA_TARGETinitializationparametercannotbesettoavaluegreaterthan1GC.TheMemoryAdvisoroftheOracleEnterpriseManager10gcannotbeusedtoobtainadviceontheimportantmemorycomponentsoftheSGAD.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.
TheAutomaticSharedMemoryManagementfeatureisenabledforthePRODdatabase.Currently，alotofinsertactivityistakingplaceinthedatabase，andthememorystructuresareallocatedaccordingtothedatabaseworkload.Astheworkloadreduces，youdecidetoperformbatchjobsinthedatabase.WhichofthefollowinginitializationparametersareNOTautomaticallyresizedaccordingtothenewworkloadandcontinuetoremainunchanged？（）A.LOG_BUFFERB.DB_CACHE_SIZEC.JAVA_POOL_SIZED.LARGE_POOL_SIZEE.SHARED_POOL_SIZEF.STREAMS_POOL_SIZE
UsingOracleEnterpriseManagertosetSGApoolvaluesmanually,forwhichofthefollowingpoolsdoesOracleEMofferadvicetosetthevalueappropriately?() A.DB_CACHE_SIZEB.SHARED_POOL_SIZEC.LARGE_POOL_SIZED.JAVA_POOL_SIZEE.SGA_MAX_SIZEF.SORT_AREA_SIZE
管理员在Router上进行了如下配置，完成之后，在该路由器的G1/0/0接口下连接了一台交换机，则关于此主机的IP地址描述正确的是（ ）。[Router]ip pool pool1[Router-ip-pool-pool1]network 10.10.10.0 mask 255.255.255.0[Router-ip-pool-pool1]gateway-list 10.10.10.1[Router-ip-pool-pool1]quit[Router]ip pool pool2[Router-ip-pool-pool2]network 10.20.20.0 mask 255.255.255.0[Router-ip-pool-pool2]gateway-list 10.20.20.1[Router-ip-pool-pool2]quit[Router]interface GigabitEthernet 1/0/0[Router-GigabitEthernet 1/0/0]ip address 10.10.10.1.24[Router-GigabitEthernet 1/0/0]dhcp select globalA.获取的IP地址属于10.10.10.0/24网络B.获取的IP地址属于10.20.20.0/24网络C.主机获取不到IP地址D.获取的IP地址可能属于10.10.10.0/24网络，也可能属于10.20.20.0/24网络
下列关于种群基因库的叙述中，错误的是（）A、一个种群所含有的全部基因叫做这个种群的基因库B、种群基因库因种群的繁殖而代代相传C、种群中每个个体都含有种群基因库中的全部基因D、基因突变可改变基因库的组成
下列关于种群基因库的叙述，错误的是（）A、一个种群所含的全部基因叫做这个种群的基因库B、生物个体总是要死亡的，但基因库却因种群个体的繁殖而代代相传C、种群中每个个体含有该种群基因库的全部基因D、基因突变可改变种群基因库的组成
In the context of Advanced Power Virtualization， the shared pool refers to which of the following？（）A、A pool of physical memory that can be used by any partitionB、A pool of physical processors that can be used by any virtual or dedicated partitionC、A pool of physical memory that can be used by multiple Micro-PartitionsD、A pool of physical processors that can be used by multiple Micro-Partitions
单选题In the context of Advanced Power Virtualization， the shared pool refers to which of the following？（）AA pool of physical memory that can be used by any partitionBA pool of physical processors that can be used by any virtual or dedicated partitionCA pool of physical memory that can be used by multiple Micro-PartitionsDA pool of physical processors that can be used by multiple Micro-Partitions
单选题Refer to the exhibit. Given the DHCP pool configuration shown on Router A, the Cisco IP phone will not boot up in the Teleworker location. What is missing from the Teleworker DHCP pool configuration?（）A The DHCP pool needs to have an import all statement. B The DHCP pool is missing an option 150 ip 10.59.138.1 statement.C The DHCP pool is missing an option 139 ip 10.59.138.1 statementD The DHCP pool is missing a dns-server 10.59.138.1 statement.
问答题在哺乳动物基因组中，如何实现stable gene repression或gene firmly shut off？