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?()A、 Low paging B、 High paging C、

题目

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?()

  • A、 Low paging 
  • B、 High paging 
  • C、 Workload manager is not turned on 
  • D、 A high run queue length 
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相似问题和答案

第1题:

A system administrator has run topas on a server.  The output shows that the %iowait of the system is 60% and that most of the disk activity is on hdisk0.  Which of the following procedures should be performed to fix this problem?()

  • A、 Replace the hard disk with a faster disk drive. 
  • B、 Add another paging space on another hdisk. 
  • C、 Spread the data hdisk0 across several hdisks. 
  • D、 Nothing, since %iowait is a measurement of CPU time.

正确答案:C

第2题:

In which of the following places is it BEST to put the paging system file?()

  • A、 Non-system partition
  • B、 System partition
  • C、 Flash hard drive
  • D、 External hard drive

正确答案:A

第3题:

With Cisco NX-OS on a Cisco Nexus platform, which command shows memory usage, total processes, and CPU state?()

  • A、 show memory detailed
  • B、 show process cpu sorted
  • C、 show system resources
  • D、 show hardware capacity

正确答案:C

第4题:

A customer needs to remove an unnecessary, but active paging space called paging00 on an AIX 5L system.  Which of the following procedures should be used to properly remove the paging space with the least amount of disruption?()

  • A、Remove the paging space with the rmps command. 
  • B、Disable the paging space with the chps command, swapoff /dev/paging00, and remove the paging00 logical volume with the rmps command. 
  • C、Reboot the system and disable the paging space with the rmps command. 
  • D、Disable the paging space with the chps command, swapoff /dev/paging00, reboot the system, remove the paging00 logical volume with the rmps command. 

正确答案:B

第5题:

In a system with high CPU utilization, which of the following will help the MOST to minimize the performance impact of parity overhead in RAID 5?()

  • A、Use all SAS Drives
  • B、Triple Channel RAM
  • C、Use all Solid State Drives
  • D、Hardware RAID Controller

正确答案:D

第6题:

Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources?()

  • A、sar
  • B、topas
  • C、iostat
  • D、vmstat

正确答案:B

第7题:

A user is complaining that they ran out of paging space.  Which of the following will address this and  provide best performance()

  • A、Expand the default paging space to the largest possible size
  • B、Create a new larger paging space
  • C、Create additional paging spaces of equal size on different disks
  • D、Reboot system

正确答案:C

第8题:

Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem?()

  • A、 istat
  • B、 topas
  • C、 vmstat
  • D、 filemon

正确答案:B

第9题:

A user reports that their PC is making a strange noise. Which of the following is the cause of the problem?()

  • A、A network cable is vibrating against the system case.
  • B、An internal wire is improperly routed and is hitting the CPU fan.
  • C、The thermal grease on the CPU has dried out and needs to be replaced.
  • D、The CPU needs to be reseated.

正确答案:B

第10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()

  • A、topas
  • B、vmo
  • C、iostat
  • D、netstat

正确答案:B

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