单选题If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）A iostat disk1 1 B iostat -d disk1 2 C iostat disk2 1 D iostat -d disk2 2
单选题
If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）
A
iostat disk1 1
B
iostat -d disk1 2
C
iostat disk2 1
D
iostat -d disk2 2
参考解析
解析：
暂无解析
相关考题：
Youwanttosetthefollowinginitializationparametersforyourdatabaseinstance：LOG_ARCHIVE_DEST_1=’LOCATION=/disk1/arch’LOG_ARCHIVE_DEST_2=’LOCATION=/disk2/arch’LOG_ARCHIVE_DEST_3=’LOACTION=/disk3/arch’LOG_ARCHIVE_DEST_4=’LOCATION=/disk4/archMANDATORY’Identifythestatementthatcorrectlydescribesthissetting.（）A.TheMANDATORYlocationmustbeaflashrecoveryarea.B.Theoptionaldestinationsmaynotusetheflashrecoveryarea.C.ThissettingisnotallowedbecausethefirstdestinationisnotsetasMANDATORY.D.Theonlineredologfileisnotallowedtobeoverwrittenifthearchivedlogcannotbecreatedinthefourthdestination.
YouhaveconfiguredflashrecoveryareainyourdatabaseandyousetthefollowingInitializationparametersforyourdatabaseinstance：LOG_ARCHIVE_DEST1=，，LOCATION=/disk1/archMANDATORY’LOG_ARCHIEVE_DEST2=，，LOCATION=/disk2/arch’LOG_ARCHIVK_DEST_3=，，LOCATION=/diSk3/archLOG_ARCH1VK_DEST_4=’LOCATION=/disk4/arch’LOG_ARCHIVE_MIN-SUCCEED_DEST=2Whilethedatabaseinstanceisfunctional，yourealizedthatthedestinationsetbytheLOG_ARCHIVE_DEST_IparameterIsnotavailableforthearchivedredologfiletobecreatedin.Allredologgroupshavebeenused.Whathappensinaneventoflogswitch？（）
YouwanttosetthefollowingInitializationparametersforyourdatabaseInstanceLOG_ARCHIVE_DEBT_1=，，LOCATION=/disk1/archLOG_ARCHIVE_DBST_2=，，LOCATION=/disk2/archLOC_ARCHIVBDBST_3=，，LOCATION=/disk3/archLOG_ARCHIVEDBST_=，，LOCATION=/disk3/archIdentifythestatementthatcorrectlydescribesthissetting.（）A.TheMANDATORYlocationmustbeaflashrecoveryarea.B.Theoptionaldestinationsmaynotusetheflashrecoveryarea.C.ThissettingisnotallowedbecausethefirstdestinationisnotsetasMANDATORY.D.Theonlineredologfileisnotallowedtobeoverwrittenifthearchivedlogcannotbecreatedinthefourthdestination.
Youhavethefollowingonlineredologconfiguration：GroupMember1’/disk1/oradata/redo01a.log’2’/disk2/oradata/redo02a.log’3’/disk3/oradata/redo03a.log’Youdecidetomultiplextheonlineredologgroupsforrecoveryofredologfilesincaseofanydisaster.WhichtwostatementswillyouNOTissuetomultiplextheonlineredologfiles？（）A.ALTERDATABASEADDLOGFILEMEMBER’/disk1/oradata/redo01b.log’TOGROUP1；B.ALTERDATABASEADDLOGFILEMEMBER’/disk2/oradata/redo01b.log’TOGROUP1；C.ALTERDATABASEADDLOGFILEMEMBER’/disk1/oradata/redo02b.log’TOGROUP2；D.ALTERDATABASEADDLOGFILEMEMBER’/disk2/oradata/redo02b.log’TOGROUP2；E.ALTERDATABASEADDLOGFILEMEMBER’/disk1/oradata/redo3b.log’TOGROUP3；F.ALTERDATABASEADDLOGFILEMEMBER’/disk2/oradata/redo3b.log’TOGROUP3；
YouareworkingasaDBAinanorganization.Theflashrecoveryareafilesarecreatedin’+disk1’.Youwanttocreatenewflashrecoveryareafilesinthe’+disk2’location.Thenewlocationoftheflashrecoveryareafilesshouldbewritteninthecontrolfileandthespfile.Whichcommandwillyouissuetochangethelocationoftheflashrecoveryareafiles？（）A.ALTERSYSTEMSETDB_RECOVERY_FILE_DEST=’+disk2’；B.ALTERSYSTEMSETDB_RECOVER_FILE_DEST=’+disk2’SCOPE=BOTH；C.ALTERSYSTEMSETDB_CREATE_FILE_DEST=’+disk2’；D.ALTERSYSTEMSETDB_CREATE_ONLINE_LOG_DEST_n=’+disk2’；
Inwhichsituationwillyourunthescriptcontainingthefollowingstatement？（）CREATECONTROLFILEREUSEDATABASESALESNORESETLOGSARCHIVELOGMAXLOGFILES20MAXLOGMEMBERS3MAXDATAFILES30MAXINSTANCES10MAXLOGHISTORY1200LOGFILEGROUP1（’/disk1/prod/orders/db/log1a.dbf’，’/disk2/prod/orders/db/log1b.dbf’）SIZE100KGROUP2（’/disk1/prod/orders/db/log2a.dbf’，’/disk2/prod/orders/db/log2b.dbf’）SIZE100K，DATAFILE’/disk1/prod/orders/db/database1.dbf’，’/disk2/prod/orders/db/file1.dbf’；
Ifasystemadministratorwantstoshowonlyadiskreportfordisk2,attwosecondintervals,whatisthecorrectcommandtorun?() A.iostatdisk11B.iostat-ddisk12C.iostatdisk21D.iostat-ddisk22
你公司有一个单一ActiveDirectory域。所有服务器运行windowsserver2008.你有一个名为FS1的服务器,安装有文件服务角色。下图展示了磁盘配置。你需要创建一个新的卷来支持具有奇偶校验的数据条带化。怎么做?() A.添加一个磁盘，创建一个新的RAID-5卷B.用disk1和disk2创建一个带区卷C.用disk1和disk2创建一个镜像卷D.用disk1和disk2创建一个跨区卷
All of the following types of statistics are reported by the iostat command tool EXCEPT:（）.A、 Free memoryB、 CPU statistics C、 Disk statistics D、 Terminal statistics
Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data01.dbf’； Which command do you need to issue before you issue the above command， so that RMAN finds the file in the restored location of ’DISK2/user_data01.dbf’？ （）A、RESTORE DATAFILE ’/DISK2/user_data01.dbf’B、RESTORE DATAFILE ’/DISK3/user_data01.dbf’C、SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’D、SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf’
Which of the following commands should be used to observe the number of system calls per second? （）A、 sar B、 iostat C、 svmon D、 vmstat
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）A、 tinB、 toutC、 % idleD、 % tm_act
If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）A、 iostat disk1 1 B、 iostat -d disk1 2 C、 iostat disk2 1 D、 iostat -d disk2 2
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）A、 The iostat can only be run as the root userB、 There could be zero percent I/O wait and still be an I/O bottleneckC、 Any I/O wait time displayed in output of "iostat" is an indication of severe I/O bottlenecks D、 Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottlenecks
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A、 filemonB、 istatC、 vmstatD、 iostat
In which situation will you run the script containing the following statement？（） CREATE CONTROLFILE REUSE DATABASE SALES NORESETLOGS ARCHIVELOG MAXLOGFILES 20 MAXLOGMEMBERS 3 MAXDATAFILES 30 MAXINSTANCES 10 MAXLOGHISTORY 1200 LOGFILE GROUP 1 （ ’/disk1/prod/orders/db/log1a.dbf’， ’/disk2/prod/orders/db/log1b.dbf’ ）SIZE 100K GROUP 2 （ ’/disk1/prod/orders/db/log2a.dbf’， ’/disk2/prod/orders/db/log2b.dbf’ ） SIZE 100K， DATAFILE ’/disk1/prod/orders/db/database1.dbf’， ’/disk2/prod/orders/db/file1.dbf ’； A、 when all the control files are missing and only a binary backup of the current control file existsB、 when a multiplexed copy of the current control file is missingC、 when all the control files are missing and only an ASCII representation of the binary control file existsD、 when the SPFILE is missing
You are working as a DBA in an organization. The flash recovery area files are created in ’+disk1’. You want to create new flash recovery area files in the ’+disk2’ location. The new location of the flash recovery area files should be written in the control file and the spfile.Which command will you issue to change the location of the flash recovery area files？（） A、 ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = ’+disk2’ ；B、 ALTER SYSTEM SET DB_RECOVER_FILE_DEST = ’+disk2’ SCOPE = BOTH；C、 ALTER SYSTEM SET DB_CREATE_FILE_DEST = ’+disk2’；D、 ALTER SYSTEM SET DB_CREATE_ONLINE_LOG_DEST_n = ’+disk2’；
You have the following online redo log configuration： Group Member 1 ’/disk1/oradata/redo01a.log’ 2 ’/disk2/oradata/redo02a.log’ 3 ’/disk3/oradata/redo03a.log’ You decide to multiplex the online redo log groups for recovery of redo log files in case of any disaster. Which two statements will you NOT issue to multiplex the online redo log files？（）A、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo01b.log’ TO GROUP 1；B、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo01b.log’ TO GROUP 1；C、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo02b.log’ TO GROUP 2；D、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo02b.log’ TO GROUP 2；E、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo3b.log’ TO GROUP 3；F、 ALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo3b.log’ TO GROUP3；
You have just added three new hard disks to your Windows 2000 Professional computer. You want to configure all of the disks as two drives. You want the two drives to be as equal in size as possible. You want to configure the non-system drive for the best optimal performance. What should you do?（）A、Extend the system volume onto disk1. Create a single, stripe volume from disk2 and disk3.B、Extend the system volume onto disk2. Create a single, stripe volume from disk1 and disk2C、Extend the system volume onto disk1. Create a single, spanned volume from disk2 and disk3. D、Extend the system volume onto disk1. Create a single, spanned volume from disk1 and disk2.E、Create a single, stripe volume from disk1, disk2, and disk3. F、Create a single spanned volume from disk1, disk2, and disk3.
单选题A system administrator ran the iostat command because of system performance problems. The following iostat output is provided： Based on the output， which of the following is insufficient？（）A CPUB MemoryC Paging spaceD Disk capacityX
单选题In which situation will you run the script containing the following statement？（） CREATE CONTROLFILE REUSE DATABASE SALES NORESETLOGS ARCHIVELOG MAXLOGFILES 20 MAXLOGMEMBERS 3 MAXDATAFILES 30 MAXINSTANCES 10 MAXLOGHISTORY 1200 LOGFILE GROUP 1 （ ’/disk1/prod/orders/db/log1a.dbf’， ’/disk2/prod/orders/db/log1b.dbf’ ）SIZE 100K GROUP 2 （ ’/disk1/prod/orders/db/log2a.dbf’， ’/disk2/prod/orders/db/log2b.dbf’ ） SIZE 100K， DATAFILE ’/disk1/prod/orders/db/database1.dbf’， ’/disk2/prod/orders/db/file1.dbf ’；A when all the control files are missing and only a binary backup of the current control file existsB when a multiplexed copy of the current control file is missingC when all the control files are missing and only an ASCII representation of the binary control file existsD when the SPFILE is missing
单选题You have just added three new hard disks to your Windows 2000 Professional computer. You want to configure all of the disks as two drives. You want the two drives to be as equal in size as possible. You want to configure the non-system drive for the best optimal performance. What should you do?（）A Extend the system volume onto disk1. Create a single, stripe volume from disk2 and disk3. B Extend the system volume onto disk2. Create a single, stripe volume from disk1 and disk2. C Extend the system volume onto disk1. Create a single, spanned volume from disk2 and disk3. D Extend the system volume onto disk1. Create a single, spanned volume from disk1 and disk2. E Create a single, stripe volume from disk1, disk2, and disk3.F Create a single spanned volume from disk1, disk2, and disk3.
单选题Which of the following commands should be used to observe the number of system calls per second? （）A sar B iostat C svmon D vmstat
单选题You have just added three new hard disks to your Windows 2000 Professional computer. You want to configure all of the disks as two drives. You want the two drives to be as equal in size as possible. You want to configure the non-system drive for the best optimal performance. What should you do?（）AExtend the system volume onto disk1. Create a single, stripe volume from disk2 and disk3.BExtend the system volume onto disk2. Create a single, stripe volume from disk1 and disk2CExtend the system volume onto disk1. Create a single, spanned volume from disk2 and disk3. DExtend the system volume onto disk1. Create a single, spanned volume from disk1 and disk2.ECreate a single, stripe volume from disk1, disk2, and disk3. FCreate a single spanned volume from disk1, disk2, and disk3.
单选题Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）A The iostat can only be run as the root userB There could be zero percent I/O wait and still be an I/O bottleneckC Any I/O wait time displayed in output of iostat is an indication of severe I/O bottlenecks D Running iostat without any arguments/parameters is sufficient for resolving I/O bottlenecks
多选题You have the following online redo log configuration： Group Member 1 ’/disk1/oradata/redo01a.log’ 2 ’/disk2/oradata/redo02a.log’ 3 ’/disk3/oradata/redo03a.log’ You decide to multiplex the online redo log groups for recovery of redo log files in case of any disaster. Which two statements will you NOT issue to multiplex the online redo log files？（）AALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo01b.log’ TO GROUP 1；BALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo01b.log’ TO GROUP 1；CALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo02b.log’ TO GROUP 2；DALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo02b.log’ TO GROUP 2；EALTER DATABASE ADD LOGFILE MEMBER ’/disk1/oradata/redo3b.log’ TO GROUP 3；FALTER DATABASE ADD LOGFILE MEMBER ’/disk2/oradata/redo3b.log’ TO GROUP3；
单选题You are working as a DBA in an organization. The flash recovery area files are created in ’+disk1’. You want to create new flash recovery area files in the ’+disk2’ location. The new location of the flash recovery area files should be written in the control file and the spfile.Which command will you issue to change the location of the flash recovery area files？（）A ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = ’+disk2’ ；B ALTER SYSTEM SET DB_RECOVER_FILE_DEST = ’+disk2’ SCOPE = BOTH；C ALTER SYSTEM SET DB_CREATE_FILE_DEST = ’+disk2’；D ALTER SYSTEM SET DB_CREATE_ONLINE_LOG_DEST_n = ’+disk2’；