1. [单选题]基本IP访问权限表的表号范围是：()
A. 1—100
B. 1-99
C. 100-199
D. 800-899
2. [单选题]下列对访问控制列表的描述不正确的是（）。
A. 访问控制列表能决定数据是否可以到达某处
B. 访问控制列表可以用来定义某些过滤器
C. 一旦定义了访问控制列表，则其所规范的某些数据包(packet)就会严格被允许或拒绝
D. 访问控制列表可以应用于路由更新的过程当中
3. [单选题]You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?
A. Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point link
B. Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive
C. Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
D. Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal
E. None of the above
4. [多选题]下列哪一设备工作时，要用到OSI的七个层（一层到七层）（）
A. PC
B. 网管机
C. WEB服务器
D. 交换机
E. 路由器
5. [单选题]下列路由协议中，属于链路状态路由协议的是（）
A. RIP
B. EIGRP
C. IGRP
D. OSPF
