Low paging
High paging
Workload manager is not turned on
A high run queue length
第1题:
A user reports that their PC is making a strange noise. Which of the following is the cause of the problem?()
第2题:
Which of the following outputs will best indicate if a system is CPU bound?()
第3题:
A customer indicates that a system is experiencing printing problems. After checking the system, and successfully printing, no problem has been found. Which of the following procedures should be performed next to further clarify the problem?()
第4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?()
第5题:
A system is experiencing performance problems. After checking the CPU usage, the problem identified is that the system is "CPU Bound". Which of the following outcomes will determine if there is a possible CPU constraint?()
第6题:
ps -ef -t8
sar -u -p 8
vmstat -t 8
topas -p8 -n0 -d0
第7题:
Reboot the system.
Check the file system sizes.
Have the customer repeat the task to recreate the problem.
Inform the customer that no problems were found, and to call back if the problem reoccurs.
第8题:
Expand the default paging space to the largest possible size
Create a new larger paging space
Create additional paging spaces of equal size on different disks
Reboot system
第9题:
%idle < 10%
%usr + %sys > 80%
%sys + %wio > 80%
%wio + %idle > 80%
第10题:
iostat
netstat
ps
vmstat
第11题:
topas
vmo
iostat
netstat
第12题:
foo ; lsps -s
tprof -kx ; foo
iostat ; foo ; iostat
vmstat -s ; foo ; vmstat s
第13题:
After completing an installation of new software, a system administrator notices the system is slow. To troubleshoot the performance, which single AIX command could be used to provide a real-time display of CPU, memory and disk utilization()
第14题:
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem?()
第15题:
A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server?()
第16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?()
第17题:
CPU
Memory
Paging space
Disk capacityX
第18题:
A network cable is vibrating against the system case.
An internal wire is improperly routed and is hitting the CPU fan.
The thermal grease on the CPU has dried out and needs to be replaced.
The CPU needs to be reseated.
第19题:
filemon
istat
vmstat
iostat
第20题:
Use all SAS Drives
Triple Channel RAM
Use all Solid State Drives
Hardware RAID Controller
第21题:
Replace the hard disk with a faster disk drive.
Add another paging space on another hdisk.
Spread the data hdisk0 across several hdisks.
Nothing, since %iowait is a measurement of CPU time.
第22题:
sar
topas
iostat
vmstat
第23题:
A
B
C
D