IBM(000-223)章节练习(2019.05.12)

单项选择题
How can a system administrator determine if a system is running in 32-bit or 64-bit mode（）
A.Use the Is -al to see if/unix is linked to /usr/lib/boot/unix_64
B.Check the /etc/inittab to see if there is a load64bit entry
C.Use ’prtconf -c1 to see if the system is 64-bit enabled
D.Use the Islpp command to see if the bos.mp64 fileset is installed
单项选择题
What is the most likely problem with this script （）VAR=1 （（VAR=$VAR+1）） while [ $VAR -It 10 ] do echo $VAR done
A.#!/bin/ksh line is missing
B.Variable name VAR is not properly initialized
C.Loop variable is not incremented inside the loop
D.Replace brackets with braces
单项选择题
Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday（）
A.5 0 * * 6 /usr/local/bin/myscript
B.6 * * 5 0 /usr/local/bin/myscript
C.0 5 * * 6 /usr/local/bin/myscript
D.0 5 6 * * /usr/local/bin/myscript
单项选择题
Which of the following commands would a system administrator use to initiate a rescan of the /etc/inittab file（）
A.telinit -q
B.init -r
C.initab -s
D.exec /etc/inittab
单项选择题
Which of the following actions will enable 64-bit applications on a system with 32-bit kernel（）
A.Use "smit load64bit" to enable the 64-bit applications.
B.Re-install all applications with 64-bit versions.
C.Re-install the OS with 64-bit kernel enabled.
D.Change the kernel to 64bit， reboot， and then use the following command： chdev -l sys0 -a "applications=64_bit"
单项选择题
Given 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.
单项选择题
In AIX Version 5.3， a system administrator wants to create a bootlist for normal bootups from a file named /bootlist.norm. Which of the following is the proper command to accomplish this（）
A.bootlist -m normal < /bootlist.norm
B.bootlist -m normal -f /bootlist.norm
C.bootlist -m normal -o /bootlist.norm
D.bootlist -m normal hdisk0 hdisk1 rmt0 fd /bootlist.norm
单项选择题
Given the following output， recommend corrective action that should be undertaken to increase protection（） # Isvg -I rootvg rootvg： LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINT hd5 boot 1 2 2 closed/syncd N/A hd6 paging 16 32 2 open/syncd N/A hd8 jfslog 1 2 2 open/syncd N/A hd4 jfs 2 4 2 open/syncd / hd2 jfs 53 106 2 open/syncd /usr hd9var jfs 16 32 2 open/syncd /var hd3 jfs 4 8 2 open/syncd /tmp hdl jfs 1 2 2 open/syncd /home hdlOopt jfs 2 4 2 open/syncd /opt loglvOO jfs2log 1 1 1 open/syncd N/A fslvOO jfs2 ’ 2 4 2 open/syncd /datafs
A.add a copy of the log for/datafs
B.open hd5
C.mirrorvg rootvg
D.split /usr as it is too big
单项选择题
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 and recovery time， while providing complete data restore coverage （）
A.Full backups every month， daily incremental backups
B.Full backups every month， daily differential backups
C.Full backup Saturday night， incremental backups the rest of the week
D.Full backup Saturday night， differential backups the rest of the week
单项选择题
A System p administrator noticed several error messages on the screen while the system was booting up； but was not able to write them down. Where should the system administrator look for the console log， assuming it is in the default location（）
A./var/log/conslog
B./var/log/console.log
C./var/adm/ras/conslog
D./var/ras/console.log