What the protocol does “Ping” command use、

试卷相关题目

• 1The absence or weakness in a system that may possibly be exploited is called a(n)、

  A.Threat

  B.Exposure

  C.Vulnerability

  D.Risk

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• 2Which of the following is an ip address that is private (i.e. reserved for internal networks, and not a valid address to use on the Internet、

  A.192.168.42.5

  B.192.166.42.5

  C.192.175.42.5

  D.172.1.42.5

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• 3In a change control environment, which one of the following REDUCES the assurance of proper changes to source programs in production status、

  A.Authorization of the change.

  B.Testing of the change.

  C.Programmer access.

  D.Documentation of the chang

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• 4Virtual Private Network software typically encrypts all of the following EXCEPT

  A.File transfer protocol

  B.Data link messaging

  C.HTTP protocol

  D.Session information

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• 5The following are fire detector types EXCEPT:

  A.smoke activated

  B.flame actuated

  C.acoustical-seismic detection system

  D.heat activated

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• 6What is the protocol does email system use、

  A.SMTP

  B.Telnet

  C.TLS

  D.IMAP

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