A. chdev
B. cfgmgr
C. vmtune
D. schedtune
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A. ping and arp
B. lsattr and ifconfig
C. netstat and iostat
D. iptrace and tcpdump
A. It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.
B. 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.
C. It is a JFS mounted filesystem that maps processes and read-only files related to these processes.
D. It is a pseudo filesystem that contains data that represents the state of the parent processes （but not their threads） in a system.
A. foo ； lsps -s
B. tprof -kx ； foo
C. iostat ； foo ； iostat
D. vmstat -s ； foo ； vmstat s
A. netstat -v ent0
B. chdev -l ent0 -a reset=true
C. entstat -r ent0
D. Ethernet interface values cannot be reset
A. trace
B. netstat
C. ifconfig
D. nslookup
最新試題
The system administrator notices that there is an I/O bottleneck on one of three disks in datavg volume group. This problem disk contains the JFS log， loglv00 and one filesystem， /mydatabase. There are no other logical volumes on this disk. Which of the following options would be the best solution？（）
When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）
Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
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？（）
The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）
Which of the following performance tools will work with optimized code and also provides source statement profiling？（）
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？（）
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）