CompTIA认证考试

Which of the following characteristics is true of a PCIe x8 card?（）A、It can use only IRQ8.B、It uses eight memory addresses for storage of data.C、It has eight lanes by which data is transmitted.D、It has eight times the bandwidth of a standard PCI card.

题目

Which of the following characteristics is true of a PCIe x8 card?（）

  • A、It can use only IRQ8.
  • B、It uses eight memory addresses for storage of data.
  • C、It has eight lanes by which data is transmitted.
  • D、It has eight times the bandwidth of a standard PCI card.
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相似问题和答案

第1题：

Automatic data conversion will occur if which of the following happens?()

A. The client and server have different NLS_LANGUAGE settings.

B. The client and server character sets are not the same, and the database character set is not a strict superset of the client character set.

C. The client and server are in different time zones.

D. The client requests automatic data conversion.

E. The AUTO_CONVERT initialization parameter is set to TRUE.


参考答案：B

第2题：

By default, which character indicates the UNIX shell prompt?()

A. #

B. >

C. $

D. %


参考答案：D

第3题：

Concerning baby-sitting and managing a paper route, which of the following statement is true?

A． Both call for daily service.

B． Both call for a sense of responsibility.

C． Neither is affected by bad weather.

D． Neither is helpful to character development.


正确答案：B
逻辑推理题。关于临时保姆和送报纸这两项工作，文中均有提到责任感的重要性，分别在第一段最后一句“This has its greatest．．．reliable，responsible and mature”(这项工作尤其适合女孩，一个可靠、负责和成熟的临时保姆可以挣到不少钱。)及最后一段第二句“The job also requires a sense of maturity and responsibility．．．”(这项工作同样需要成熟、稳重与责任感……)。

第4题：

You issued the following statement：   SQL> ALTER SESSION SET NLS_LANG=FRENCH_CANADA.WE8ISO8859P1；   Which parameter is NOT overridden by using the above statement？（）  

  • A、 the value of the NLS_LANGUAGE variable
  • B、 the value of the NLS_TERRITORY variable
  • C、 the value of the NLS_CURRENCY variable
  • D、the character encoding scheme used by the client application

正确答案:C

第5题：

Which of the following is TRUE about the ping  -f command?（）

  • A、 It is useful for diagnosing data dependent problems by filling the packet with the byte pattern following the "f" in the command line. 
  • B、 It is useful for flooding from slow character based terminals since it only displays a dot "." for each packet sent in fast mode. 
  • C、 It is useful for flooding from slow character based terminals since it only displays a dot "."       for each packet sent and a backspace on returned in fast mode. 
  • D、 The command can only be run by root.

正确答案:D

第6题：

Given two different character sets (A and B), which of the following must be true for A to be considered a strict superset of B?()

A. A must contain all of the characters defined in B

B. A must be Unicode

C. The encoded values in A must match the encoded values in B for all characters defined in B

D. A must be a multibyte character set

E. The encoded values in A must match the encoded values in B for all numeric and alphabetic characters in B


参考答案：A, C

第7题：

For determining the amount of chains used in anchoring operation, which one of the following factors would’t be considered?______.

A.selection of landmarks

B.character of sea bottom

C.strength of current and wind force

D.radius of ship swing to wind or tide


正确答案：A
在锚泊操作中确定锚链的长度，以下哪一项不被考虑？陆标的选择

第8题：

Which of the following is not a valid linguistic sort element?()

A. Accent expansion

B. Canonical equivalence

C. Reverse secondary sorting

D. Ignorable characters

E. Character rearrangement


参考答案：A

第9题：

By default, which character indicates the UNIX shell prompt?（）

  • A、#
  • B、>
  • C、$
  • D、%

正确答案:D

第10题：

Which two are character manipulation functions? （）

  • A、TRIM
  • B、REPLACE
  • C、TRUNC
  • D、TO_DATE
  • E、MOD
  • F、CASE

正确答案:A,B

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