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?（）Aiostat disk1 1 Biostat -d disk1 2 Ciostat disk2 1 Diostat -d disk2 2

题目
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

相似考题

1.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.

2.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.

3.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；

4.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？（）

更多“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”相关问题

  • 第1题：

    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’；


    参考答案：B

  • 第2题：

    Ifasystemadministratorwantstoshowonlyadiskreportfordisk2,attwosecondintervals,whatisthecorrectcommandtorun?()

    A.iostatdisk11

    B.iostat-ddisk12

    C.iostatdisk21

    D.iostat-ddisk22


    参考答案：D

  • 第3题：

    All of the following types of statistics are reported by the iostat command tool EXCEPT:（）.

    • A、 Free memory
    • B、 CPU statistics 
    • C、 Disk statistics 
    • D、 Terminal statistics

    正确答案:A

  • 第4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

    正确答案:D

  • 第5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

    正确答案:D

  • 第6题：

    Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）

    • A、 filemon
    • B、 istat
    • C、 vmstat
    • D、 iostat

    正确答案:D

  • 第7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’；

    正确答案:B

  • 第8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. 

    正确答案:A

  • 第9题：

    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 exists

    B

     when a multiplexed copy of the current control file is missing

    C

     when all the control files are missing and only an ASCII representation of the binary control file exists

    D

     when the SPFILE is missing


    正确答案： C
    解析： 暂无解析

  • 第10题：

    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


    正确答案： A
    解析： 暂无解析

  • 第11题：

    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. 


    正确答案： B
    解析： Configuring the non-system volume as a striped volume will realize the best performance gains in this scenario. The system volume is extended onto disk1， which makes it size comparable to the non-system drive.

  • 第12题：

    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？（）
    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；


    正确答案： C,B
    解析： 暂无解析

  • 第13题：

    Inwhichsituationwillyourunthescriptcontainingthefollowingstatement？（）

    CREATECONTROLFILEREUSEDATABASESALESNORESETLOGSARCHIVELOG

    MAXLOGFILES20

    MAXLOGMEMBERS3

    MAXDATAFILES30

    MAXINSTANCES10

    MAXLOGHISTORY1200

    LOGFILE

    GROUP1（

    ’/disk1/prod/orders/db/log1a.dbf’，

    ’/disk2/prod/orders/db/log1b.dbf’

    ）SIZE100K

    GROUP2（

    ’/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’；


    参考答案：B

  • 第14题：

    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


    参考答案：A

  • 第15题：

    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’

    正确答案:C

  • 第16题：

    Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）

    • A、 tin
    • B、 tout
    • C、 % idle
    • D、 % tm_act

    正确答案:D

  • 第17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 user
    • B、 There could be zero percent I/O wait and still be an I/O bottleneck
    • C、 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

    正确答案:B

  • 第18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 exists
    • B、 when a multiplexed copy of the current control file is missing
    • C、 when all the control files are missing and only an ASCII representation of the binary control file exists
    • D、 when the SPFILE is missing

    正确答案:B

  • 第19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？（）

    • 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；

    正确答案:A,C

  • 第20题：

    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

    CPU

    B

    Memory

    C

    Paging space

    D

    Disk capacityX


    正确答案： A
    解析： 暂无解析

  • 第21题：

    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. 


    正确答案： C
    解析： Configuring the non-system volume as a striped volume will realize the best performance gainsinthis scenario. The system volume is extended onto disk1， which makes it size comparable to the non-system drive.

  • 第22题：

    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


    正确答案： C
    解析： 暂无解析

  • 第23题：

    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 user

    B

     There could be zero percent I/O wait and still be an I/O bottleneck

    C

     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


    正确答案： C
    解析： 暂无解析

  • 第24题：

    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’；


    正确答案： C
    解析： 暂无解析

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