第1题： Computer Network (1)(CND) refers to the strategies and efforts undertaken to secure data and information within a computer network.It involves implementing security measures and conducting security awareness and training programs to protect against potential(2).Many different cyber plagiarize is security solutions can contribute to your organization's CND DOG including(3),VPNs,access control systems,and more. CND involves protection, detection, and reaction.(4)provides a foundation for the program. It is the base of operation, from the base,and detected incidents,the(5)includes taking immediate steps to stop an incident in progress.
（1）A．Description
B．Defection
C．Detection
D．Defense
（2）A．Actions
B．Access
C．Operations
D．Attacks
（3）A．Firewalls
B．Gateways
C．Routers
D．Switches
（4）A．Defense
B．Protection
C．Reaction
D．Detection
（5）A．Attack
B．Protection
C．Detection
D．Reaction
答案解析与讨论：www.cnitpm.com/st/6624625510.html

第2题：

某广播型网络的拓扑如下图所示，所有路由器均运行OSPF路由协议，R1和R2的接口优先级为0，R3的接口优先级为100、R4的接口优先级为101，则路由器()会被选举为DR路由器，R1和R2的OSPF邻居状态为()。

（6）A．R2
B．R3
C．R4
D．R1
（7）A．2-Way
B．Full
C．Init
D．Exstart
答案解析与讨论：www.cnitpm.com/st/6624727643.html

第4题： IPv4地址10.10.216.18/20的网络地址是()。
A．10.10.216.0
B．10.10.210.0
C．10.10.210.32
D．10.10.208.0
答案解析与讨论：www.cnitpm.com/st/6624911599.html

第5题： 把一部分磁盘空间充当内存使用，避免执行的程序很大或很多导致内存消耗殆尽，该技术被称为()。
A．虚拟内存
B．动态存储
C．分级存储
D．高速缓存
答案解析与讨论：www.cnitpm.com/st/6625024575.html

第6题： RSA加密算法的安全性依赖于()问题的困难性。
A．大整数分解
B．子集合
C．合数剩余判定
D．离散对数
答案解析与讨论：www.cnitpm.com/st/6625117903.html