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. Using the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the I/O bottleneck？（）
A. The bottleneck is network I/O.
B. The bottleneck is local disk I/O.
C. The bottleneck is paging space I/O.
D. The bottleneck is to a remote filesystem.
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A. no
B. netpmon
C. entstat
D. nfso
A. chdev
B. cfgmgr
C. vmtune
D. schedtune
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
最新試題
In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）
Which of the following tools should be used to display the location of unused physical partitions on a disk drive？（）
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）
In an iostat report， which of the following options best describes the value of % tm_act？（）
Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）
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？（）
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 performance tools will work with optimized code and also provides source statement profiling？（）
The system administrator notices that IP packets are not getting forwarded. The system administrator wants to use an AIX machine as an internetwork router over TCP/IP networks. Which of the following commands will allow this change on the fly？（）