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 pa

题目

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:

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2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3题:

要显示格式为“页码/总页数”的页码,应当设置文本框控件的控制来源属性为( )。

A.[Page]/[Pages]

B.=[Page]/[Pages]

C.[Page]&"/"&[Pages]

D.=[Page]&"/"&[Pages]


正确答案:D
解析:本题考查手工添加页码的方法。题目较难,属于考试难点。[Pages]显示的是总页码,[Page]显示的是当前页码,因此正确的形式应为:=[Page]&"/"&[Pages],其中“&”是字符串的连接符。注意不要漏掉“:”。

第4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5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6题:

要在报表上显示格式为”8/总9页”的页码,则计算控件的控件源应设置为______。

A.[Page]/总[Pages]

B.=[Page]/总[Pages]

C.[Page]&"/总"&[Pages]

D.=[Pa8e]&"/总"&[Pages]


正确答案:D
解析:注意计算控件的控件源必须是“:”开头的计算表达式。

第7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8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.[pages]/[page]

B.=[pages]/[page]

C.[page]&"/"&[pages]

D.=[page]&"/"&(pages]


正确答案:D

第9题:

要显示格式为“页码总页数”的页码,应当设置文本框控件的控件来源属性为()。

  • A、[page]/[pages]
  • B、=[page]/[pages]
  • C、[page]&“/“&[pages]
  • D、=[page]&“/“&[pages]

正确答案:D

第10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

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