單項(xiàng)選擇題Which of the following commands should be used to watch system errors as they are logged?()

A. errpt -c
B. tail -f /var/adm/ras/errlog
C. syslogd -d
D. /usr/lib/errdemon -s 8192


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Which fileset includes the commands vmstat and sar?()

A. bos.perf
B. bos.acct
C. bos.adt.samples
D. perfagent.tools

2.單項(xiàng)選擇題How are hardware errors removed from an error report that are more than 30 days old?()

A. /usr/bin/errpt -d H 30
B. /usr/sbin/errclear - J H 30
C. /usr/bin/errclear -d H 30
D. /usr/sbin/errclear -j H 30

3.單項(xiàng)選擇題When a system has both online transaction processing as well as large batch processing, which of the following common procedures will best help to improve system performance?()

A. Boost the priority of batch jobs.
B. Schedule batch runs to reduce contention with OLTP.
C. Schedule OS maintenance such that it includes frequent application of PTFs.
D. Perform incremental backups of transaction processing and full backups of batch processing.

4.單項(xiàng)選擇題Data is transferred between two servers using NFS, where one server is configured with token ring, and the other system is configured with ethernet. It is discovered that the performance is greatly reduced during this transfer. Which of the following steps should be taken to improve performance?()

A. Reduce MTU on token ring system to match ethernet system using ifconfig command (i.e. ifconfig tr0 mtu 1500)
B. Reduce MTU on token ring system to match ethernet system using no command (i.e. no -o mtu=1500)
C. Increase MTU on ethernet system to match token ring system using ifconfig command (i.e. ifconfig en0 mtu 4096)
D. Increase MTU on ethernet system to match token ring system using no command (i.e. no -o mtu=4096)

5.單項(xiàng)選擇題The system administrator has determined that a new JFS log needs to be created on a different disk, in order to decrease an I/O bottleneck. Which of the following steps are the most correct?() 

A. mklv -t jfslog -y LVname VGname 1 PVname     logform /dev/LVname      chfs -a log=/dev/LVname /filesystemname m     ount and unmount filesystem
B. mklv -t jfslog -y LVname VGname PVname       unmount filesystem        vi /etc/filesystems, change entry for lv to point filesystem to new JFS log       mount filesystem
C. mklvcopy -a jfslog -y LVname VGname 1 PVname       chfs -a log=/dev/LVname /filesystemname       unmount and mount file system
D. mklvcopy  -t jfslog -y LVname VGname 1 PVname       logform /dev/LVname        vi /etc/filesystems, change entry for lv to point filesystem to new JFS log       unmount and mount filesystem

最新試題

Which tool is based on the AIX trace facility?()

題型:?jiǎn)雾?xiàng)選擇題

Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()

題型:?jiǎn)雾?xiàng)選擇題

A TCP/IP application is transferring files from a personal machine to a remote machine.  The application writes 32 kilobytes of data at a time to the socket, but has not issued a system call to set the window size.  Which of the following procedures should be performed on the personal machine to increase the throughput of the application?()

題型:?jiǎn)雾?xiàng)選擇題

To examine the Exhibit, press the Exhibit button. Using the "ps -mo THREAD" output as shown in the exhibit, which of the following conclusions is most appropriate to draw?()

題型:?jiǎn)雾?xiàng)選擇題

Which of the following options would best help to reduce packet fragmentation for a TCP application transferring large amounts of data between servers across a path of multiple networks?()

題型:?jiǎn)雾?xiàng)選擇題

To examine the Exhibit, press the Exhibit button. While a user is compiling a C program, "vmstat 120 10" is run to determine the cause of a performance problem.  Given the vmstat output as shown in the exhibit, which of the following conclusions is most appropriate to draw about the machine?()

題型:?jiǎn)雾?xiàng)選擇題

Which of the following commands should be used to tune parameters of devices that are displayed with lsattr?()

題型:?jiǎn)雾?xiàng)選擇題

Which of the following commands should be used to monitor the average number of threads in the scheduler’s run queue for any given interval?()

題型:?jiǎn)雾?xiàng)選擇題

A system administrator would like to set a system to reboot after a crash.  What is the best way to do this?()

題型:?jiǎn)雾?xiàng)選擇題