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单选题
To examine the Exhibit, press the Exhibit button. A user is compiling a C program. A performance problem occurs and "vmstat 120 10" is run to determine the cause. The vmstat output is provided in the exhibit. Which of the following commands should be run to obtain more information about the problem?（）
A
lsps
B
tprof
C
iostat
D
vmtune
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更多 “单选题To examine the Exhibit, press the Exhibit button. A user is compiling a C program. A performance problem occurs and "vmstat 120 10" is run to determine the cause. The vmstat output is provided in the exhibit. Which of the following commands should be run to obtain more information about the problem?（）A lsps B tprof C iostat D vmtune” 相关考题
考题
You are a network administrator for your company. All servers run Windows Server 2003. A server namedServer34 runs an application named App1.Users report that App1 is performing slowly. You suspect that an unauthorized application is installed on Server34.You run the netstat command and examine the output, as shown in the exhibit. (Click the Exhibit button.)You need to identify the unauthorized application by using the output from the netstat command.Which tool should you use to identify the application? （）A. Performance consoleB. System MonitorC. Network MonitorD. Task Manager
考题
Click the Exhibit button. What is the output if the main() method is run?()
A.4B.5C.8D.9E.Compilation fails.F.An exception is thrown at runtime.G.It is impossible to determine for certain.
考题
Which of the following commands should be used to observe the number of system calls per second? （）A、 sar B、 iostat C、 svmon D、 vmstat
考题
Which of the following commands should be used to show the percentage of time that any given disk was busy？（）A、 psB、 tprofC、 iostatD、 vmstat
考题
To examine the Exhibit， press the Exhibit button. Which of the following addresses should be reachable without adding any routes？（）A、129.35.57.22B、129.35.54.22C、129.35.58.22D、129.35.254.22
考题
To examine the Exhibit， press the Exhibit button. The system administrator notices a system with routing cannot communicate with a system with an ip address 192.24.34.6. Using the information provided in the exhibit， what is the most likely reason？（）A、The named is not runningB、The default gateway is not setC、The NIS master server is downD、Ipforwarding is not turned on
考题
Which of the following commands can be used to determine if a disk drive is causing a bottleneck?（）A、 vmstat B、 fileplace C、 iostat D、 lvmstat
考题
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A、 filemonB、 istatC、 vmstatD、 iostat
考题
To examine the Exhibit， press the Exhibit button. Which of the following addresses will be reachable without adding any routes？（）A、129.35.54.21B、129.35.57.21C、129.35.58.21D、129.35.55.21
考题
A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem？（）A、iostatB、netstatC、psD、vmstat
考题
Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）A、 foo ； lsps -sB、 tprof -kx ； fooC、 iostat ； foo ； iostatD、 vmstat -s ； foo ； vmstat s
考题
Which of the following performance tools can be used to determine if a system is thrashing？（）A、 svmon and tprofB、 vmtune and schedtuneC、 ps and schedtuneD、 vmstat and topas
考题
单选题To examine the Exhibit, press the Exhibit button. Based on the output of the "netstat -p udp" command as shown in the exhibit, which of the following procedures should be performed?（）A
Increase the number of nfsd's on the client. B
Increase the number of biod's on the client. C
Decrease the number of nfsd's on the server. D
Increase the size of nfs_socketsize on the server.
考题
单选题To examine the Exhibit, press the Exhibit button. Using the information provided in the exhibit, which of the following options indicates when the SSA error occurred?（）A
12:28am on May 25,1999 B
12:28pm on May 25,1999 C
5:25am on December 28,1999 D
5:25pm on December 28,1999
考题
单选题To examine the Exhibit， press the Exhibit button. Which of the following addresses will be reachable without adding any routes？（）A
129.35.54.21B
129.35.57.21C
129.35.58.21D
129.35.55.21
考题
单选题Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?（）A
data link layerB
application layerC
access layerD
session layerE
network layer
考题
单选题To examine the Exhibit， press the Exhibit button. The system administrator notices a system with routing cannot communicate with a system with an ip address 192.24.34.6. Using the information provided in the exhibit， what is the most likely reason？（）A
The named is not runningB
The default gateway is not setC
The NIS master server is downD
Ipforwarding is not turned on
考题
单选题To examine the Exhibit， press the Exhibit button. Which of the following addresses should be reachable without adding any routes？（）A
129.35.57.22B
129.35.54.22C
129.35.58.22D
129.35.254.22
考题
单选题Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A
filemonB
istatC
vmstatD
iostat
考题
单选题Which of the following commands can be used to determine if a disk drive is causing a bottleneck?（）A
vmstat B
fileplace C
iostat D
lvmstat
考题
单选题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?（）A
There is a file I/O bottleneck.B
There are too many open files. C
There appears to be a buffer shortage. D
There is a paging space I/O bottleneck.
考题
单选题Which of the following commands should be used to observe the number of system calls per second? （）A
sar B
iostat C
svmon D
vmstat
考题
单选题To examine the Exhibit, press the Exhibit button. Which option would produce this output from the errpt command? （）A
errpt -t B
errpt -a C
errpt -D D
errpt
考题
单选题Which of the following commands should be used to show the percentage of time that any given disk was busy？（）A
psB
tprofC
iostatD
vmstat
考题
单选题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？（）A
This is a uniprocessor systemB
The "prog" process has a nice value of 107C
There are two active processors on this systemD
The "prog" process will only be scheduled to run on processor 0
考题
单选题Which of the following performance tools can be used to determine if a system is thrashing？（）A
svmon and tprofB
vmtune and schedtuneC
ps and schedtuneD
vmstat and topas
考题
单选题Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）A
foo ； lsps -sB
tprof -kx ； fooC
iostat ； foo ； iostatD
vmstat -s ； foo ； vmstat s
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