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前40题
1.Prior to implementing an LPAR system,which of the following needs to be done?
A. A graphics monitor must be attached to the server
B. Cluster System Management(CSM) software must be installed.
C. The LPAR system must have an Hardware Management Console(HMC) connected
D. Each LPAR must be configured with a CDROM for operating system installation
答案c
2.A system has a critcal need for network services on a small network with a limited number of hosts.System overhead is not a concern.Which of the following should the system administrator do to help ensure connectivity in the event of a gateway failure?
A. Use the ifconfig command to enable dead gate detection
B. Use the no command to set active dead gateway detection
C. Use the route command to set active dead gateway detection
D. Add the line active dad=1 to the /etc/gated.conf command and refresh the gated daemon
答案b
3.What system startup file would an administrator edit for starting up miscellaneous third party application?
A. /etc/rc.net
B. /etc/rc.boot
C. /etc/rc.local
D. /etc/rc.tcpip
答案 有人说是c 可我觉得c是不是也的加入/etc/inittab 才能自动执行阿
4. To load a base operating system on a machine using NIM,what are the minimum NIN resources that must be defined for the installation to succeed?
A. A mksysb resource,A SPOT resource,and an lpp_soure resource
B. A SPOT resource,an lpp_source resource,and a machine definition
C. An lpp_source resource,a mksysb resource,and a machine definition
D. A SPOT resource,and lpp_source resource, a machine definition ,and a bootable CD
答案
5.While logged into the console,a system administrator would like to change the server's primary IP address from X.X.X.X to Y.Y.Y.Y.What would be the best way to perform this task?
A. Use smit chinet
B. Use smit mktcpip
C. Issue ifconfig -a Y.Y.Y.Y
D. Edit the /etc/hosts file with the new IP information
答案b
6.A system administrator is doing an AIX 5L New and Complete Overwrite installation on a system with a 64-bit processor using the default settings.Which of the following will be the resulting installed environment?
A. Only the 32-bit kernel will be installed and enabled.
B. Only the 64-bit kernel will be installed and enabled.
C. Both the 32-bit and 64-bit kernel will be installed and 32-bit kernel will be enabled
D. Both the 32-bit and 64-bit kernel will be installed and 64-bit kernel will be enabled
答案b
7.A user reports that they cannot cd to /tmp/application.A system administrator entered the following command:
ls -ld /tmp/application
drw-r--r-- 4 root system 512 Jan 15 14:09 application
What is the most likely cause of the problem?
A. the /tmp/application should be globally writable.
B. the /tmp/application diretory should be executable.
C. the /tmp/application diretory should be owned by the user.
D. the /tmp/application diretory should have the sticky bit set.
答案 因为abc都不太合适 ，所以选d 为什么呢？不明白 he sticky bit set是什么东西啊
8.Sometimes performace is more important than availability(e.g.,in cases where the data can be easily re-created).which of the following is the appropriate disk configuration for an application that requires faster writes over availability?
A. RAID-1
B. RAID-5
C. RAID-0+1
D. RAID-0
答案 d
9.A 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
10. An adminstrator needs to be able to restore a mkesysb created on SERVER_A using a 4MM tape drive,to SERVER_B that only has an 8MM tape drive.There is an additional server that has a 4MM to 8MM format?
A. tcopy /dev/rmt0.1 /dev/rmt1.1
B. dd if=/dev/rmt0.1 of=/dev/rmt1.1
C. tar -xvf /dev/rmt0.1 | tar -cvf /dev/rmt1.1
D. cpio -ivc BDUM < /dev/rmt0.1| cpio -ovc BDUM ->;/dev/rmt1.1
答案 我觉得b 可是有高手说d ,请高手指点一下为何？b 怎么不行？
11.A system contains multiple hot-swap stand-alone disks with a large number of JSF2 file systems.Which feature of JFS2 can be used to improve reliability,availability and serviceability(RAS) if a disk failure occurs?
A. Inline logging
B. Dynamic inode allocation
C. Linear directory organization
D. Online filesystem defragmentation
答案 d
12. 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
13.A support specialist started to apply an APAR on a system by inserting the tape into the tape drive,and loaded the fix using smitty installp.the following error message is displayed:
tape not in backup format
Which of the following will resolve this problem?
A. Change density setting to 2
B. Set tape device to /dev/rmt0
C. Set block size to 0 for variable
D. Enable compression on tape device
答案 c比较合适，但还是感觉不太对
14. 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
15. A system administrator has been instructed to verify that all filesets have all required requisites and are completely installed.Which command will provide this information?
A. lslpp
B. lppchk
C. instfix
D. installp
答案 a
16. A system administrator has a two-disk volume group(testvg) with one logical volume(testlv) which has just been mirrored across both disk drives.Which of the following commands can be used to turn off quorum?
A. chvg -Qn testvg
B. cglv -Qn testlv
C. varyoffvg testvg;varyonvg -Qn testvg
D. varyoffvg testvg;exportvg testvg;importvg -Qn testvg;varyonvg testvg
答案 不太明白这题什么意思，我查了查好像没有-Q参数,不过感觉d合适点
17. Which of the following commands will find all the rc files in /etc and display them?
A. ls -l /etc/r?
B. ls -l /etc/rc.d/*
C. ls -l /etc/rc* | grep -v ^d
D. ls -l /etc/rc? | grep -v ^d
答案 c
18. A system administrator wants to automatically eject the backup tape each night after the backup is complete.Which command can be used to eject the tape?
A. tar
B. tctl
C. rmdev
D. backup
答案 b
19. where do the BOS ODM files reside?
A. /etc/odm
B. /usr/lpp/odm
C. /var/bosinfo
D. /etc/objrepos
答案 d
20.Give the following script,why does the output come out as an empty line instead of "dog"?
#!/bin/ksh
$VAR=dog
echo "$(VAR)"
A. The $VAR variable was not exported
B. The $VAR should have been set as VAR
C. dog needs double quotes around it when setting $VAR
D. the {} should not be around VAR in the echo command
答案 a
21.An administrator needs to document system changes that have occurred recently.The company has a policy of making all possible changes via the smit interface.Which file would show the commands that have been performed form within smit and their resulting output?
A. /smit.log
B. /smit.script
C. /var/log/smit.log
D. /var/log/smit.script
答案 a
22.A 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
23.A system administrator has a server experiencing performance problems with logical volumes within a particular volume group.Which command can report I/O statistics for logical partitions with each logical volume within the volume group?
A. lslv
B. lsvg
C. iostat
D. lvmstat
答案 d
24.what stanza file does a system administrator view to determine which kernel-tuning parameter changes were made when the system was last booted?
A. /etc/rc.net
B. /etc/tunables/tuning
C. /etc/tunables/lastboot
D. /usr/samples/kernel/nextboot
答案 c 这个文件相信不知道大家是否熟悉，反正我是第一次知道
5.A system administrator is currently working on problem with IBM Support.The administrator feels that their expectations are not being met on this problem.What is the IBM recommended procedure to ensure that the request is handle appropriately?
A. Request to change the severity to 1
B. Request to speak to the Duty Manger
C. Request to escalate the problem to development
D. Request IBM to close the incident and reopen then incident with another call.
怎么给ibm大电话不太清楚请大家指出
26.A company uses raw logical volumes.Which command can be used to back up the data in the raw logical volumes to a tape?
A. dd
B. tar
C. cpio
D. mksysb
答案 a
27.which of the following is the default access control list file for Resource Management and Control(RMC) subsystem?
A. /var/rmc/ctrmc.acls
B. /etc/ctrmc/rsct.acls
C. /etc/security/rsct.acls
D. /usr/sbin/rsct/cfg/ctrmc.acls
答案 c
28. A system administrator would like to modify the system default user characteristics so that each new user will now be assigned(be default) the csh shell rather than the ksh shell.Which of the following actions should be performed?
A. Run the command chlogin -shell "csh"
B. Run the command mkuser -default "SHELL=csh"
C. Edit /etc/passwd and change all "ksh" entries to "csh"
D. Modify the contents of /usr/lib/security/mkuser.default file
答案 d
29.A system administrator would like to rename volume group oldvg to newvg.This volume group resides on hdisk1.What is the appropriate procedure to perform this?
A. reboot the server in maintenance mode
migratevg -y newvg oldvg
reboot the server in normal mode
B. unmount all filesystems in the volume group
varyoffvg oldvg
migratepv -y oldvg -n newvg
varyonvg newvg
C. unmount all filesystems in the volume group
varyoffvg oldvg
exportvg oldvg
importvg -y newvg hdisk1
mount all
D. unmount all filesystems in the volume group
varyoffvg oldvg
for each logical volume in the volume group do cplv <lv name>; -v oldvg -y newvg
varyonvg newvg
mount all
答案 c
30.How can a directory be excluded from a mksysb backup?
A. Put an entry in the /etc/exclude.rootvg file
B. Put an entry in the /etc/mksysb.exclude file
C. Remove the diretory's entry from the mksysb /image.date file
D. Remove the diretory's entry from the /var/adm/ras/bosinst.data file
答案 a
31. What do the entries in the /proc directory represent?
A. They are the decimal numbers corresponding to the active process IDs.
B. They are the decimal numbers corresponding to the gid of the system group
C. They are the decimal numbers corresponding to the block IDs of the boot sector.
D. They are the decimal numbers corresponding to the inodes of the system directories.
答案 a
32. After adding a new Ethernet card to a system and rebooting,the system administrator notices the card was not configured.How can the system administrator determine if there were errors during the configuration process for the card?
A. Examine the bootlog with the command;alog -o -f /var/adm/ras/bootlog
B. Display the device attributes and errors with the command: lsdev -C -l ent0
C. Examine the AIX errlog for configuration method errors with the command:errpt -a -C ent0
D. Examine the ODM for configuration errors with the command dmget -q "method_errors" ent0
答案 a
33.A 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
34.A system administrator is in the process of documenting the system.Which of the following commands will provide a list of the devices defined on the system?
A. lsdev -C
B. lslpp -C
C. lsattr -C
D. odmget -C
答案 a
35.Which attribute of a JFS filesystem can not be changed after the filesystem is created?
A. The size of the filesystem
B. The placement of the filesystem
C. The mount point of the filesystem
D. The number of bytes per inode.
答案 d
36.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
37.Several people in an information Technology department are asking for fileset updates that the system administrator received earlier that day on CD-ROM.The system administrator created an install directory on their machine and made it available to everyone.Which of the following commands will allow the system administrator to copy the images from the CD-ROM to the install directory?
A. smitt bffcreate from target directory
B. tar -xvf /dev/cd0 from the target directory
C. restore -xvqf /dev/cd0 from the target directory
D. mount the cdrom on /cdrom and cp /cdrom/* . from the target directory
答案 d
38.A system administrator will be migrating a server from AIX 5.1 to AIX 5.2 and is uncertain if the application running on the server will function properly after the migration.what is the fastest way to return to the previous AIX level if the application does not work?
A. Use base media to restore system to AIX5.1
B. Use an alt_disk_install and boot back to the AIX 5.1 rootvg
C. Make a mksysb of the original AIX to restore back to the AIX 5.1 level.
D. Perform the AIX 5.2 update using update_all the commit option and reject filesets to return to AIX 5.1
答案 c
39.A user has used all of the allowed logon attempts for the userid.which command can be used to reset the unsuccessfull_login_count to 0 for the user?
A. usrck
B. chsec
C. chuser
D. passwd
答案 b
40. 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 |
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发表于 2005-10-23 19:56
