为了检测系统是否有木马侵入，可以使用Windows操作系统的()命令查看当前的活动连接端口。
- A.ipconfig/all
- B.ping 127.0.0.1
- C.netstat-an
- D.nslookup
正确答案及解析
正确答案
解析
通常侵入被攻击主机的木马程序属于服务程序。攻击者一旦获取了木马程序的IP地址和端口号，便与它进行连接。为了检测系统是否有木马侵入，可以使用Windows操作系统的netstat-an命令查看当前的活动连接端口。通常可利用防火墙的包过滤功能有效地防止外部非法连接来拦截木马。其他选项中，命令ipconfig/all用于查看计算机的网络配置信息。环回测试命令ping 127.0.0.1用于初步检测计算机网卡是否处于正常工作状态。命令nslookup命令用于查询域名与IP地址的对应关系。
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