网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）
A
Kernel thread
B
Too many users
C
Memory shortage
D
Network contention
参考答案
参考解析
解析：
暂无解析
更多 “单选题After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）A Kernel threadB Too many usersC Memory shortageD Network contention” 相关考题
考题
The user SYS creates a job by using the following command:Which two statements are true about the job that was created by the preceding command?()
A. The job is enabled by default after creationB. The job is automatically dropped after the end dateC. The job executes with the privileges of the user SYSD.
考题
Which of the following should an administrator do after running a command from the console onthe perimeter router?()
A. Update the configuration logsB. Update the network wiring schematicsC. Update the network configuration proceduresD. Compare the configuration with the baseline
考题
After logging into the RtrB router, you issue the show interface command as displayed below:After considering the effects of the command output illustrated in the exhibit above,which of the following protocols are operational on the serial link?（）A. PPPB. IPC. CompressionD. IPXE. MultilinkF. ATX
考题
Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command： RESTORE CONTROLFILE FROM AUTOBACKUP； Which of the following statements is true？（） A、 The command restores only the missing control file.B、 The command restores all the control files.C、 The command fails because the database is running.D、 This is the correct way to address this problem.E、 This is not the correct way to address this problem.
考题
Which of the following are not fundamental tasks of the Support Workbench？（）A、 View long-running SQL workloadsB、 View problem detailsC、 Gather additional diagnostic informationD、 Create a Service RequestE、 Clean up incident data after upload to Oracle Support
考题
The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values to be high. Furthermore， the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement？（）A、 Increase physical diskB、 Increase number of CPU’sC、 Increase physical memoryD、 Increase number of servers
考题
Which of the following statements is TRUE concerning the po column of the vmstat command？（）A、 The sys is high when po is high.B、 The po represents the number of page steals.C、 The low values usually indicate insufficient paging space.D、 The low values usually indicate sufficient memory for the load.
考题
A user reports that the computer is running slowly. After running the SFC， a technician observes that the dllcache folder has become corrupted. Which of the following utilities can be run to repair the contents of the dllcache directory？ （）A、FORMATB、SFCC、HyperTerminalD、DEFRAG
考题
Which of the following commands will be run at a command prompt to determine which WindowsOS is running on the computer?（）A、VERB、Device ManagerC、VERIFYD、SET
考题
After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）A、 Kernel threadB、 Too many usersC、 Memory shortageD、 Network contention
考题
A system administrator decides to review the system error log after installing new hardware. Which of the following is the correct command to use？（）A、errptB、syslogC、prtdiagD、errlogger
考题
Which of the following commands should be used to show the percentage of time that any given disk was busy？（）A、 psB、 tprofC、 iostatD、 vmstat
考题
An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level？（）A、 vmtune -wB、 svmon -wC、 schedtune -wD、 vmstat -s
考题
A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）A、ps -ef -t8B、sar -u -p 8C、vmstat -t 8D、topas -p8 -n0 -d0
考题
Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）A、 foo ； lsps -sB、 tprof -kx ； fooC、 iostat ； foo ； iostatD、 vmstat -s ； foo ； vmstat s
考题
In RMAN， when the RESYNC CATALOG command is issued， in which two situations does the command file actually perform synchronization？（）A、After the COPY command.B、After adding a data file in the target database.C、After adding a tablespace in the target database.D、After adding a tablespace in the catalog database.E、After dropping a data file in the catalog database.F、After running SQL Loader to load a large amount of data.
考题
You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）A、Immediately following statement execution B、After the ALTER TABLE DROP UNUSED COLUMNS command is issued C、After the ALTER TABLE SET UNUSED COLUMN command is issued D、After the ALTER TABLE MODIFY command is issued
考题
Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）A、 when you change the name of a datafileB、 when you drop a table from the databaseC、 when you take an export of the databaseD、 when you back up the database using OS utilitiesE、 when you issue an ALTER SYSTEM SWITCH LOGFILE statementF、 when you issue a BACKUP command from inside the RMAN run block
考题
多选题Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command： RESTORE CONTROLFILE FROM AUTOBACKUP； Which of the following statements is true？（）AThe command restores only the missing control file.BThe command restores all the control files.CThe command fails because the database is running.DThis is the correct way to address this problem.EThis is not the correct way to address this problem.
考题
单选题The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values to be high. Furthermore， the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement？（）A
Increase physical diskB
Increase number of CPU’sC
Increase physical memoryD
Increase number of servers
考题
多选题Which of the following are not fundamental tasks of the Support Workbench？（）AView long-running SQL workloadsBView problem detailsCGather additional diagnostic informationDCreate a Service RequestEClean up incident data after upload to Oracle Support
考题
单选题Which of the following statements is TRUE concerning the po column of the vmstat command？（）A
The sys is high when po is high.B
The po represents the number of page steals.C
The low values usually indicate insufficient paging space.D
The low values usually indicate sufficient memory for the load.
考题
单选题A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）A
ps -ef -t8B
sar -u -p 8C
vmstat -t 8D
topas -p8 -n0 -d0
考题
单选题Which of the following should an administrator do after running a command from the console onthe perimeter router?（）A
Update the configuration logsB
Update the network wiring schematicsC
Update the network configuration proceduresD
Compare the configuration with the baseline
考题
多选题Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）Awhen you change the name of a datafileBwhen you drop a table from the databaseCwhen you take an export of the databaseDwhen you back up the database using OS utilitiesEwhen you issue an ALTER SYSTEM SWITCH LOGFILE statementFwhen you issue a BACKUP command from inside the RMAN run block
考题
单选题An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level？（）A
vmtune -wB
svmon -wC
schedtune -wD
vmstat -s
考题
单选题Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）A
foo ； lsps -sB
tprof -kx ； fooC
iostat ； foo ； iostatD
vmstat -s ； foo ； vmstat s
热门标签
最新试卷