集美大学计算机网络基础思科上机练习2.doc

集美大学实验报告用纸课程 计算机网络基础 日期 2015年 04月 01日 实验题目: 实验2：第二章测试一、 实验目的1. 掌握网络分类2. 掌握OSI模型3. 掌握物理拓扑与逻辑拓朴二、 实验内容题目1Which of the following is true regarding network bandwidth? 关于带宽下面那个是正确的选择一项：a. Bandwidth is not a key factor in analyzing network performance 带宽不是分析网络性能的关键因素b. Bandwidth has capacity limits. 带宽容量有限制c. Bandwidth never increases. 带宽不能增加d. Bandwidth is free. 带宽是免费的反馈正确答案是：Bandwidth has capacity limits. 题目2Which of the following are ways that bandwidth is commonly measured? (Choose three.)以下那些通常用来测量带宽？选择一项或多项：a. Mbps b. GHzps c. kbps d. Nbps e. MHzps f. Gbps 反馈正确答案是：kbps , Gbps , Mbps 题目3What is the numeric base of hexadecimal numbers?十六进制数字的数字基础是什么？选择一项： a. base 10 b. base 2 c. base 8 d. Base 32 e. Base 16 反馈正确答案是：Base 16题目4Which of the following describe a LAN? (Choose two.)下面的那个是描述一个局域网的？选择一项或多项：a. uses serial interfaces to allow operation at lower speeds 使用串行接口来允许系统在较低的速度运行b. ensures single access to specialty hosts 确保独立访问专用主机c. operates within a limited geographical area 运行在一个有限的地理区域d. connects physically adjacent devices 连接物理上相邻的设备e. provides dial-up connectivity 提供拨号连接反馈正确答案是：operates within a limited geographical area , connects physically adjacent devices题目5Which of the following topologies are considered logical topologies? (Choose two.)以下那些是逻辑拓扑？选择一项或多项：a. star 星型拓扑b. bus 总线拓扑c. hierarchical 分层拓扑d. token-passing 令牌传递e. mesh 网状拓扑f. broadcast 广播反馈正确答案是：broadcast , token-passing 题目6Which of the following is the official name for the address assigned to each network interface card (NIC) by its manufacturer?下面哪个是由其制造商分配给每个网络接口卡的官方地址名称？选择一项：a. IP address ip地址b. NIC address NIC地址c. MAC address MAC地址d. Source Address 资源地址反馈正确答案是：MAC address 题目7Which physical network topology uses a single backbone cable and connects all hosts directly to this cable? 哪个物理网络拓扑使用单一主干电缆和这个电缆直接连接所有主机？选择一项：a. mesh 网状拓扑b. bus 总线拓扑c. ring 环形拓扑d. star 星型拓扑反馈正确答案是：bus 题目8Which device is used to connect LANs that are geographically separated?那些设备是用于连接地域上相对分开的局域网？选择一项：a. repeater 中继器b. hub 集线器c. bridge 网桥d. router 路由器反馈正确答案是：router 题目9Which of the following are included in the TCP/IP application layer? (Choose three.)下列那些属于TCP/IP应用层协议？选择一项或多项：a. pop3 b. netware/ipx c. dns d. smtp e. udp 反馈正确答案是：smtp, pop3, dns题目10Which of the following types of networks pass a token sequentially to each host? (Choose two.)以下哪种类型的网络传递令牌给每个主机？选择一项或多项：a. Token Ring 令牌环b. Ethernet 以太网c. ISDN 综合业务数字网d. Frame Relay 帧中继e. FDDI 光纤分布式数据接口反馈正确答案是：FDDI , Token Ring 题目11Which of the following are considered valid types of VPNs? (Choose three.)以下那些vpn类型