test_aix

1. system administrator is monitoring a system that has recently show a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem?

A. iostat

B. netstat

C. ps

D. vmstat

答案 d

2. 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. errpt

B. syslog

C. prtdiag

D. errlogger

答案 a

3.A system administrator wants to give full read/write/excute access to the owner and group of the /stuff diretory and all subdirectories and files,but only allow read/execute for others.What command would the administrator use?

A. chmod -R 755 /stuff

B. chmod -h 022 /stuff

C. chmod -R 577 /stuff

D. chmod ug+rwx,o+rx /stuff

答案 d

4. system administrator performs a full backup every Saturday evening and incremental backups the rest of the week.The system failed on Thursday and needs to be restored.Which backup tapes will be required to restore the system to its most recent recoverable state?

A. Saturday's full backup table only.

B. Wednesday's incremental backup tape only

C. Saturday's full backup and Wednesday's incremental backup tapes

D. Saturday's full backup and Sunday's through Wednesday's incremental backup tapes

答案 d

5. pSeries server is being used as a file server and all data is stored on a non-root volume group and resides on mounted filesystems.Which of the following commands provides the quickest way to backup all of the data and filesystem definitions?

A. tar

B. cpio

C. savefs

D. savevg

答案 d

6.The /systest filesystem is associated with the /dev/testlv logical volume on the testvg volume group.The testvg volume group is assigned to physical volumes hdisk2 and hisk3.which commnad can the system administrator use to determine if the /systest filesystem is mirrored?

A. df

B. lslv

C. lsfs

D. lsdev

答案 b

7.A production system needs to be upgraded from AIX 5.1 to AIX 5.2.All logs and user need to be save.Which installation method will accomplish the upgrade?

A. Update installation

B. Migration installation

C. Perservation Installation

D. New and Complete Overwrite Installation

答案 b

8 Which command will show all interface and their IP address on an AIX system?

A. entstat -d

B. netstat -a

C. ipconfig -l

D. ifconfig –a

答案 d

9. system administrator has been asked to document the hardware configuration of a system.Which command can be used to assist in this task?

A. lscfg

B. mkdev

C. lslpp

D. cfgmgr

答案 a

10.which command is used to list information about each physical volume in volume group testvg?

A. lsvg -p testvg

B. lspv -v testvg

C. lslv -l testvg

D. lsattr -v testvg

答案 a

11.which command will show the network configuration settings associated with an Ethernet adapter?

A. lscfg

B. lsdev

C. netstat

D. ifconfig

答案 d

12 A system administrator used the savevg command to back up the testvg each night.There is now a requirement to exclude the /test/static filesystem from backup.How can this be accomplished?

A. Use ths -X flag on the savevg command

B. Put an entry in the /etc/exclude.testvg file

C. Remove the /test/static entries from the /vgdate/testvg.date file

D. Use the touch command to create /test/static/.exclude before using savevg

答案b

13.which disk configuration provides the fastest write performance with fastest write peformance with fault tolerance?

A. RAID-0

B. RAID-3

C. RAID-5

D. RAID-1+0

答案 c

14.Due to operational commitments,a system has a very short backup window during the week,but is not used from Saturday morning through Sunday at Midnight.Which of the following minimizes backup time,while prividing the best data restore coverage?

A. Full backups every night

B. Differential backups every night

C. Full backup Saturday night,incremental backups the rest of the week

D. Full backup Saturday night,differential backups the rest of the week

答案 c

15. How can permissions be set up on /tmp so that a user cannot delete another user's fies?

A. chmod +s /tmp

B. chmod 755 /tmp

C. chmod 1755 /tmp

D. chmod 4755 /tmp

答案 b

16.A system administrator is considering enable the -bit kernel but first must determinie if the system hardware will support -bit.How would this be accomplished in AIX 5L?

A. prtconf -c

B. lscfg -v sys0

C. Check the /unix link

D. Check for JSF2 filesystems

答案 a

17. A system has five 80GB disk drives and has a requirement to store 300GB of data. Which disk configuration will provide fault tolerance while still meeting data storage requirements?

A. Just a Bunch of Disk(JBOD)

B. RAID-5

C. RAID-0

D. RAID-1

答案 b

18. A usr calls to report they are getting I/O errors on a file system.Which of the following tools should be used to isolate this problem?

A. df

B. diagrpt

C. errmsg

D. errpt

答案 d

19. Which of the following commands will clear all software entries in the error log?

A. errpt -d S

B. errclean 0

C. errclear -d S 0

D. errclean -D S 0

答案 c

20.A system administrator is monitoring a system that has recently shown a decrease in perfomance.The administrator suspects there is an overload of traffic on a single Ethernet adapter.Which of the following commands is best to identify a possible overload of the Ethernet adapter?

A. ping

B. iostat

C. netstat

D. ifconfig

答案 c