单选题
How are hardware errors removed from an error report that are more than 30 days old？（）
/usr/bin/errpt -d H 30
/usr/sbin/errclear - J H 30
/usr/bin/errclear -d H 30
/usr/sbin/errclear -j H 30
单选题
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
INTRA-POLICY set to ’edge’， INTER-POLICY set to maximum
INTRA-POLICY set to ’center’， INTER-POLICY set to maximum
INTRA-POLICY set to ’middle’， INTER-POLICY set to minimum
INTRA-POLICY set to ’center’， INTER-POLICY set to minimum
单选题
Which of the following commands can be used to watch system errors as they are logged？（）
smit errpt
smit errdemon
smit alog
smit syslogd
单选题
In an iostat report， which of the following options best describes the value of % idle？（）
A representation of the equation （tps/kbps）*100
The percentage of time the disks are idle with no activity
The percentage of time the disks are idle with no outstanding CPU requests
The percentage of time the CPU is idle with no outstanding disk I/O requests
单选题
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
Not enough NFS daemons running
Too many NFS daemons running
nfs_tcp_socketsize is too small
nfs_tcp_socketsize is too large
单选题
In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）
It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.
It is a JFS mounted filesystem that provides an exact representation of what is happening to a proces at a single and discrete point of time.
It is a JFS mounted filesystem that maps processes and read-only files related to these processes.
It is a pseudo filesystem that contains data that represents the state of the parent processes （but not their threads） in a system.
单选题
Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）
falls below minperm.
is between minperm and maxperm.
higher than maxperm.
lower than maxperm.
单选题
Which of the following commands displays the number of system calls per second that are being executed？（）
sar
pstat
iostat
filemon
单选题
Which of the following commands is used to adjust the minperm and Maxperm values of real memory to 4% and 80%？（）
vmtune -N4 -M80
vmtune -f4 -F80
vmtune -l4 -L80
vmtune -p4 -P80
单选题
The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）
renice 100 {PID}
renice -n 20 {PID}
renice --20 {PID}
renice -n -100 {PID}
推荐考题
-
下列属于直线行驶的是（）
-
某通信机房设置七氟丙烷预制灭火系统，该系统应有( )种启动方式。
-
唐后期书院产生的一个原因是受到（）的影响。
-
压力损失是指（）
-
干旱区造林，整地的主要目的是（）
-
治癫证痰气郁结证，治以（）
-
小学低、中年级的儿童____识记发展最为迅速。
-
（ ）是北京市制定的第一个全面保护历史文化名城的法规。
-
安全带的正确使用：使用前作外观检查，若破损应（）使用。
-
Your network consists of a single Active Directory domain. The domain contains more than 300 group objects. The group objects are divided between several regional organizational units (OUs). You need to create a list of all groups that have names that begin with the word Sales. Which command should you use? （）