IBM(000-234)單項選擇題每日一練(2019.01.13)

單項選擇題
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. 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.
單項選擇題
Which tool is based on the AIX trace facility？（）
A. no
B. netpmon
C. entstat
D. nfso
單項選擇題
Which of the following commands should be used to show DNS information？（）
A. trace
B. netstat
C. ifconfig
D. nslookup
單項選擇題
Users complain an AIX server is running slow. Which of the following commands can be run to determine what is consuming systems resources？（）
A. tprof
B. lpstat
C. ps aux
D. entstat
單項選擇題
While monitoring a system that is CPU bound， which of the following output is most likely to occur？（）
A.A
B.B
C.C
D.D