CMS专题
单选题Which of the following statements is TRUE concerning the po column of the vmstat command？（）AThe sys is high when po is high.BThe po represents the number of page steals.CThe low values usually indicate insufficient paging space.DThe low values usually
题目
The sys is high when po is high.
The po represents the number of page steals.
The low values usually indicate insufficient paging space.
The low values usually indicate sufficient memory for the load.
相似问题和答案
第1题：
Which of the following conditions is true concerning a flammable liquid with a concentration above the upper explosive limit?
A.The mixture is too lean to burn
B.The mixture is too rich to burn
C.The vapor is about to explode
D.Conditions are perfect for combustion
第2题：
Which of the following statements concerning intellectual property is wrong？（）
- A、Intellectual property is an intangible creation
- B、Intellectual property in ludes patents，trademarks，copyrights，etc.
- C、Intellectual property is a visible creation
- D、There are some agreement sconcerning intellectual property under the WTO
正确答案:C
第3题：
Which of the following statements is true? Accounts payable are ______.
A．debts owed to suppliers
B．related to purchases of goods on an open account
C．current liabilities
D．all of the above
解析：文章第三段提到Accounts payable are debts...on an open account.本题是关于应付账款的表述，应付账款是企业欠供应商的债务，是由于购买商品时进行赊销而形成的应付账款，应付账款属于短期流动债务。
第4题：
Energy can be created or destroyed
Energy may not be transformed
The total quantity of energy in the universe is always the same
None of the above
第5题：
The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command（）。
- A、This command should be executed from the global configuration mode
- B、The IP address 10.121.16.8 is the local router port used to forward data
- C、102 is the remote DLCI that will receive the information
- D、This command is required for all Frame Relay configurations
- E、The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC
正确答案:E
第6题：
B.Language is symbol
C.Animals also have language
D.Language is arbitrary
本题要求选不正确的，C选项，动物也有语言，错误。语言是人类在交际中使用的一套任意的声音符号系统。动物没有语言，动物只是本能发出声音。综上，应选C。
A选项，系统的，故排除。
B选项，符号，故排除。
D选项，任意的，故排除。
故正确答案为C项。
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：
A language change is inevitable
B language change is abrupt
C language change is universal
D language change is extensive
第9题：
Which statements concerning the relationships between the following classes are true？（） class Foo { int num； Baz comp = new Baz（）； } class Bar { boolean flag； } class Baz extends Foo { Bar thing = new Bar（）； double limit； }
- A、A Bar is a Baz.
- B、A Foo has a Bar.
- C、A Baz is a Foo.
- D、A Foo is a Baz.
- E、A Baz has a Bar.
正确答案:C,E
第10题：
p + q is even
pq is odd
p2-q2 is even
由于所有大于2的质数都是奇数，因此p和q均是奇数，两奇数相加为偶数，所以A项正确；两奇数的乘积还是奇数，所以B项正确；两奇数的平方还各自是奇数，而两奇数的平方之差是偶数，因此C项也正确；所以选择A、B、C三项。