题目详情

目前网络安全形势日趋复杂,攻击手段和攻击工具层出不穷,攻击工具日益先进,攻击者需要的技能日趋下降。以下关于网络攻防的描述中,不正确的是(  )。

  • A.嗅探器Sniffer工作的前提是网络必须是共享以太网
  • B.加密技术可以有效抵御各类系统攻击
  • C.APT的全称是高级持续性威胁
  • D.同步包风暴(SYN Flooding)的攻击来源无法定位

正确答案及解析

正确答案
B
解析

本题考查网络攻防相关知识。

加密用以确保数据的保密性,阻止对手的被动攻击,如截取,窃听等,而对于各类主动攻击,如篡改、冒充、重播等却是无能为力的。故本题选B。

加密技术是电子商务采取的主要安全保密措施,是最常用的安全保密手段,利用技术手段把重要的数据变为乱码(加密)传送,到达目的地后再用相同或不同的手段还原(解密)。加密技术的应用是多方面的,但最为广泛的还是在电子商务和VPN上的应用。世界上没有绝对安全的密码体制,自然也不存在某种加密技术能抵挡所有攻击。

包含此试题的试卷

你可能感兴趣的试题

单选题

Advancements in ( )have contributed to the growth of the automotive industry through the creation and evolution of self-driving vehicles.

  • A.Artificial Intelligence
  • B.Cloud Computing
  • C.Internet of Things
  • D.Big Data
查看答案
单选题

In project human resource management , ( )is not a source of power for the project manager.

  • A.referent power
  • B.expert power
  • C.reward power
  • D.audit power
查看答案
单选题

At the project establishment stage , the feasibility study mainly includes techinical feasibility analysis , ( ), operation environment feasibility analysis and other aspects of feasibility analysis.

  • A.detail feasibility analysis
  • B.opportunity analysis
  • C.economic feasibility analysis
  • D.risk analysis
查看答案
单选题

( )is a grid that shows the project resources assigned to each work package.

  • A.Stakeholder engagement assessment matrix
  • B.Requirements traceability matrix
  • C.Probability and impact matrix
  • D.Responsibility assignment matrix
查看答案
单选题

Xinhua News Agency reported in January 2022,Chian will further promote the developmet of a digital economy during the 14th Five-Year Plan eriod(2021-2025). The plan also emphasized industrial ( )transformation.

  • A.digital
  • B.networking
  • C.intelligentize
  • D.informatization
查看答案

相关题库更多 +