IBM(000-223)单项选择题每日一练(2019.01.19)

单项选择题
A System p administrator needs to run the annualreval.sh script， directing standard error to /var/log/reval.err， and appending standard out to /var/log/reval.log. How can this be accomplished （）
A.annualreval.sh 2>&1 /var/log/reval.log 2> /var/log/reval.err
B.annualreval.sh 1>/var/log/reval.log 2>/var/log/reval.err
C.annualreval.sh 2>>&1 /var/log/reval.log /var/log/reval.err
D.annualreval.sh 1>>/var/log/reval.log 2>/var/log/reval.err
单项选择题
An application is no longer required to start up automatically at system boot. Which of the following supported procedures would the administrator use to accomplish this（）
A.Edit the /etc/inittab and comment out the entry that starts the application by placing a at the beginning of the line.
B.Use the chitab command.
C.Use the rmitab command.
D.Edit the /etc/reboot file to remove the entry that starts the application.
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 System p administrator wishes to create a template file to monitor performance. Having found a template from January， how can the administrator create a July template without destroying the original January version （）
A.vi jan.template ：%s/Jan/Jul/g ：w jul.template ：q!
B.cat jan.template sed s：Jan：Jul： > jan.template
C.vi jan.template ：1，$ replace Jan Jul [Esc] ZZ
D.vi jan.template ：w jul.template ：1，$ s/Jan/Jul/g ：q!
单项选择题
Under which of the following circumstances must a JFS filesystem be used instead of a JFS2 filesystem（）
A.filesystem will contain 100GB files
B.filesystem resides on a 32-bit system
C.filesystem contains a large number of small files
D.filesystem compression is required