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
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
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
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
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
( )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
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