摘要：对于【网络工程师】软考考试而言，试题无疑是最重要的学习资料之一。在软考备考过程中，吃透试题、掌握试题所考知识点、熟悉试题的出题思路，对我们提升分数的效果是最明显的，通过对试题的反复练习，还可以查漏补缺。今天，给大家带来【2022年11月 网络工程师上午题】部分试题的详解，一起来看看吧~



1、下列属于网络安全等级保护第三级且是在上一级基础上增加的安全要求是（70）。
A、 应对登录的用户分配账号和设置权限
B、 应在关键网络节点处监视网络攻击行为
C、 应具有登录失败处理功能限制非法登录次数
D、 应对关键设备实施电磁屏蔽

答案:D
答题解析:

在网络安全等级保护第3级是在第二级的基础上增加了对关键设备实施电磁屏蔽的要求。B是二级要求。

2、Network firewalls are security devices used to stop or mitigate （71) access to private networks connected to the Internet, especially intranets.The only traffic allowed on the networks is defined via firewall (72)-any other traffic attempting to access the network is blocked.Network firewalls sit at the (73) line of a network,acting as a communicationsliaison between intemal and extemal devics,When properly configured,a firewall alws users to access any of the resources they need while simultaneously keeping out unwanted access,In addition toliniting access to a protected computer and network, a firewall can (74) all taffic coming into or leaving a network,and manage remote access to a private  network through secure authertication crtificates and logins. (75) firewalls examine every packet that passes through the network and then accept or deny it as defined by rules set by the user 
A、 unauthorized
B、 authorized
C、 normal
D、 frequent

答案:A
答题解析:

网络防火墙是用于阻止或阻止未授权访问连接到互联网的专用网络的安全设备，尤其是内部网。网络上唯一允许的流量是通过防火墙安全策略定义的——任何其他试图访问网络的流量都会被阻止。网络防火墙位于网络的最前线，用作通信内部和外部设备之间的联系，当配置正确时，防火墙允许用户访问他们需要的任何资源，同时防止不必要的访问。除了初始化对受保护计算机和网络的访问之外，防火墙还可以阻断进入或离开网络的所有事务，并通过安全认证证书和登录管理对专用网络的远程访问。包过滤防火墙检查通过网络的每个数据包，然后根据用户设置的规则进行接受或拒绝。

3、Network firewalls are security devices used to stop or mitigate （71) access to private networks connected to the Internet, especially intranets.The only traffic allowed on the networks is defined via firewall (72)-any other traffic attempting to access the network is blocked.Network firewalls sit at the (73) line of a network,acting as a communicationsliaison between intemal and extemal devics,When properly configured,a firewall alws users to access any of the resources they need while simultaneously keeping out unwanted access,In addition toliniting access to a protected computer and network, a firewall can (74) all taffic coming into or leaving a network,and manage remote access to a private  network through secure authertication crtificates and logins. (75) firewalls examine every packet that passes through the network and then accept or deny it as defined by rules set by the user 
A、 ports
B、 policies
C、 commands
D、 status

答案:B
答题解析:

网络防火墙是用于阻止或阻止未授权访问连接到互联网的专用网络的安全设备，尤其是内部网。网络上唯一允许的流量是通过防火墙安全策略定义的——任何其他试图访问网络的流量都会被阻止。网络防火墙位于网络的最前线，用作通信内部和外部设备之间的联系，当配置正确时，防火墙允许用户访问他们需要的任何资源，同时防止不必要的访问。除了初始化对受保护计算机和网络的访问之外，防火墙还可以阻断进入或离开网络的所有事务，并通过安全认证证书和登录管理对专用网络的远程访问。包过滤防火墙检查通过网络的每个数据包，然后根据用户设置的规则进行接受或拒绝。

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