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

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• 1Which 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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• 2A 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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• 3Which of the following OSI layers does not provide confidentiality、

  A.Presentation

  B.Network

  C.Transport

  D.Session

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• 4Which of the following would constitute the best example of a password to use for access to a system by a network administrator、

  A.holiday

  B.Christmas12

  C.Jenny&30

  D.TrZc&45g

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• 5of the following is the primary security feature of a proxy server、

  A.Client hiding

  B.URL blocking

  C.Route blocking

  D.Content filtering

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• 6The following are fire detector types EXCEPT:

  A.smoke activated

  B.flame actuated

  C.acoustical-seismic detection system

  D.heat activated

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• 7Virtual 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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• 8In 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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• 9Which 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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• 10The 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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