●C++ is used with proper __(71)__ design techniques.

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• 1●__(70)__ is the address of a variable or a variable in which the address of another variable is stored.

  A.Director

  B.Pointer

  C.Array

  D.Record

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• 2●The __(69)__ has several major components, including the system kernel, a memory management system, the file system manager, device drivers, and the system libraries.

  A.application

  B.information system

  C.network

  D.operating system

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• 3●A firewall is a __(67)__ system designed to __(68)__ an organization's network against threats.

  A.operating

  B.programming

  C.security

  D.service

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• 4●One use of networks is to let several computers share __(66)__ such as file systems,printers, and tape drives.

  A.CPU

  B.memory

  C.resources

  D.data

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• 5●TCP/IP是一个协议簇，它的体系结构分为四层：应用层、网际层、网络接口层和__(63)__，其中ARP协议属于__(64)__。为了在源主机和目的主机之间传送数据，IP协议需要确定源主机和目的主机是否在同一个网络中。如果不在同一网络时，则必须通过__(65__进行通信。

  A.会话层

  B.传输层

  C.网络层

  D.表示层

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• 6●__(72)__ is a contiguous, numbered set of variables of a given base type, which can be used and passed to functions as a unit.

  A.Record

  B.Array

  C.File

  D.Parameter

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• 7●(73) is not a programming language.

  A.COBOL

  B.Java

  C.UML

  D.Basic

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• 8●__(74)__ is nonprogram text embedded in a program to explain its form and function to human readers.

  A.Command

  B.Compile

  C.Comment

  D.Statement

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• 9●When the result of an operation becomes larger than the limits of the representation,__(75)__ occurs.

  A.overdose

  B.overflow

  C.overdraft

  D.overexposure

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