单选题When monitoring a system using /usr/bin/vmstat with an interval, the metrics under page pi and page po represent which of the following phrases?()A  The pages to and from paging space per secondB  The page intervals and page operations per secondC  The

题目
单选题
When monitoring a system using /usr/bin/vmstat with an interval, the metrics under page pi and page po represent which of the following phrases?()
A

 The pages to and from paging space per second

B

 The page intervals and page operations per second

C

 The page interrupts and page operations per second

D

 The page segments transferred between pi and po devices per second

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相似问题和答案

第1题:

The operating system partition on a server is nearly out of space on a Windows 2003 Server. The administrator notices that the file pagefile.sys is taking up nearly 2GB of space. Which of the following would BEST resolve this problem?()

A. Move the page file to a free drive.

B. Delete the file.

C. Add more memory.

D. Remove the page file from system properties


参考答案:C

第2题:

The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list (fre) approaching zero, as well as page-in (pi) and page-out (po) values to be high. Furthermore, the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement?()

  • A、 Increase physical disk
  • B、 Increase number of CPU’s
  • C、 Increase physical memory
  • D、 Increase number of servers

正确答案:C

第3题:

A virtual memory system has five virtual pages numbered zero through four and three page frames.All the page frames are initially empty.How many page faults are generated with the following access sequence using a FIFO replacement policy?0 1 2 3 0 1 4 0 1 2 3 4

A.8

B.9

C.10

D.11


正确答案:B

第4题:

When monitoring a system using vmstat with an interval, the metrics under page po represent which of the following phrases?() 

  • A、 The number pages over the limit
  • B、 The pages to paging space per second
  • C、 The number of page operations per second
  • D、 The number of processes waiting for page out

正确答案:B

第5题:

要显示格式为”页码/总页数”的页码,应当设置文本框的控件来源属性是()。

  • A、[Page]/[Pages]
  • B、=[Page]/[Pages]
  • C、[Page]&”/”&[Pages]
  • D、=[Page]&”/”&[Pages]

正确答案:D

第6题:

When monitoring a system using /usr/bin/vmstat with an interval, the metrics under page pi and page po represent which of the following phrases?()

  • A、 The pages to and from paging space per second
  • B、 The page intervals and page operations per second
  • C、 The page interrupts and page operations per second
  • D、 The page segments transferred between pi and po devices per second

正确答案:A

第7题:

Which of the following statements is TRUE concerning the po column of the vmstat command?()

  • A、 The sys is high when po is high.
  • B、 The po represents the number of page steals.
  • C、 The low values usually indicate insufficient paging space.
  • D、 The low values usually indicate sufficient memory for the load.

正确答案:D

第8题:

Which three statistics are available when viewing the Cluster statistics page?() (Choose three.)

A. AppRule counters

B. new SSL sessions

C. connections to target server

D. total number of 200 responses

E. average download time per page


参考答案:B, C, D

第9题:

The operating system partition on a server is nearly out of space on a Windows 2003 Server. The administrator notices that the file pagefile.sys is taking up nearly 2GB of space. Which of the following would BEST resolve this problem?()

  • A、Move the page file to a free drive.
  • B、Delete the file.
  • C、Add more memory.
  • D、Remove the page file from system properties

正确答案:C

第10题:

An AIX 5L system has 2 active paging space devices - /dev/hd6 at 64MB in the rootvg and /dev/page01 at 256MB in the datavg. The system administrator has determined that only 192MB of active paging space is actually required and wants to reclaim some of the disk space for use by a new application. Which command should be used to reduce the size of /dev/page01?()

  • A、chps
  • B、rmps
  • C、chdev
  • D、swapoff

正确答案:A

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