单项选择题

Sometimes performance is more important than availabili……

Sometimes performance 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 6
C.RAID 0 + 1
D.RAID 0

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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

单项选择题An administrator needs to be able to restore a mksysb 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 drive at dev rmt0 and an 8MM drive at dev rmt1. Which of the following procedures should be followed to convert from the 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/rmt0.1tar -cvf /dev/rmt1.1
D.cpio -ivcBDUM < /dev/rmt0.1cpio -ovcBDUM. >/dev/rmt1.1

单项选择题A System p administrator has increased the size of the logical volume lv00. The administrator now wants to enlarge the filesystem fs00 that is mounted on lv00 to the same size as lv00. Which of the following commands will show the administrator the number of blocks to use when increasing the size of the filesystem fs00（）

A.lslv /fs00
B.lsfs -q /fs00
C.lscfg -v lv00
D.lsattr -El lv00

单项选择题A System p administrator must change the 9.47.53.0 subnet from 128 addresses to 64 addresses. How can the AIX systems in the network be permanently modified to accomplish this（）

A.mktcpip -h hostname -a 9.47.53.x -m 255.255.255.64 -i en0 -g 9.3.230.1
B.ifconfig en0 netmask 255.255.255.64
C.chdev -l en0 -a netmask=255.255.255.192
D.ifconfig en0 netmask 0xffffffc0

单项选择题A state agency has recently deployed a new critical application on an 8-way p570. The state government has just mandated that all agencies have disaster recovery plans to recover critical applications in acceptable periods of time with no loss of performance. Which of the following will best address this new requirement（）

A.HACMP/XD and a 4-way p570 in a second location
B.HACMP/XD and a 8-way p570 in a second location
C.HACMP/XD and an 8-way p570 in the same location
D.HACMP and a 4-way p570 in the same location for the critical applications only