Virtual Private Network software typically encrypts all of the following EXCEPT

试卷相关题目

• 1The following are fire detector types EXCEPT:

  A.smoke activated

  B.flame actuated

  C.acoustical-seismic detection system

  D.heat activated

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• 2DNS, FTP, TFTP, SNMP are provided at what level of the OSI/ISO model、

  A.Application

  B.Network

  C.Presentation

  D.Transport

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• 3Which one of the following CANNOT be prevented by the Secure Shell (SSH) program、

  A.Internet Protocol (IP) spoofing.

  B.Data manipulation during transmissions.

  C.Network based birthday attack.

  D.Compromise of the source/destination host.

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• 4A firewall can be classified as a:

  A.Directory based access control.

  B.Rule based access control.

  C.Lattice based access control.

  D.ID based access control.

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• 5Which of the following OSI layers does not provide confidentiality、

  A.Presentation

  B.Network

  C.Transport

  D.Session

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• 6In 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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• 7Which 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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• 8The 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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• 9What the protocol does “Ping” command use、

  A.Http

  B.Https

  C.SNMP

  D.ICMP

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• 10What is the protocol does email system use、

  A.SMTP

  B.Telnet

  C.TLS

  D.IMAP

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