IBM(000-223)单项选择题每日一练(2019.01.11)

单项选择题
A System p adminstrator must recover user information from a system that will not successfully boot. Which of the following install methods will accomplish this （）
A.Preservation
B.Migration
C.New and complete overwrite
D.Repair
单项选择题
A production system needs to be upgraded from AIX V5.2 to AIX V5.3. All system logs and users need to be saved. Which installation method will accomplish the upgrade（）
A.Update Installation
B.Migration Installation
C.Preservation Installation
D.Mirror rootvg prior to a Preservation Installation
单项选择题
An administrator has a server that must be upgraded from AIX 5.2 to AIX 5.3. The administrator also needs to use the 64-bit kernel with JFS2 filesystems in rootvg. All critical data resides in a non-rootvg volume group. Which of the following types of install could the administrator use to accomplish this（）
A.Migration Installation
B.Update.AII Installation
C.Preservation Installation
D.New and Complete Overwrite Installation
单项选择题
An administrator performs a full backup every Saturday evening and daily incremental backups the rest of the week. The system failed on Thursday and must be restored. Which backup tapes will be required to restore the system to its most recent recoverable state（）
A.Saturday’s full backup tape
B.Wednesday’s backup tape
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
单项选择题
A System p administrator is reviewing root’s command history on a development server and finds that a junior adminstrator had been attempting to correct a full file system. One of the following commands caused damage that must be corrected. Which command was it（）
A.rm /var/preserve/*
B.cat /dev/null > /var/adm/cron/log
C.> /var/adm/wtmp
D.rm /var/adm/ras/errlog