● Computer （70） is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.

试卷相关题目

• 1● GIF files are limited to a maximum of 8 bits/ I pixel，it simply means that no more than 256 colors are allowed in （69） .

  A.an image

  B.a file

  C.a window

  D.a page

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• 2● Integration 　（68）　is the process of verifying that the components of a system work together as described in the program design and system design specifications．

  A.trying

  B.testing

  C.checking

  D.coding

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• 3● The maximum number of data that can be expressed by 8 bits is　（67）　．

  A.64

  B.128

  C.255

  D.256

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• 4● Every valid character in a computer that uses even　（66）　 must always have　an even number of 1 bits．

  A.parity

  B.check

  C.test

  D.compare

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• 5● 若投标单位　（65）　，招标单位可视其为严重违约行为，没收其投标保证金。

  A.通过资格预审后不投标

  B.不参加开标会议

  C.不参加现场考察

  D.开标后要求撤回投标书

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• 6● NAC's（Network Access Control）role is to restrict network access to only compliant endpoints and　（71）　users. However, NAC is not a complete LAN　（72）　solution; additional proactive and　（73）　security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at l0Gbps; ensuring a high level of security plus application availability and performance．Nevis integrates NAC as the first line of LAN security　（74）　.In addition to NAC，enterprises need to .implement role-based network access control as well as critical proactive security measures一real-time, multilevel　（75）　inspection and microsecond threat containment.

  A.automated

  B.distinguished

  C.authenticated

  D.destructed

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