中兴数据初级考试题库及答案.doc

  172.16.10.32/24代表的是 172.16.10.32/24 indicates ( )网络地址Network address主机地址Host address组播地址Multicast address广播地址Broadcast addressNo2(2分)单选题  禁止 RIP 协议的路由聚合功能的命令是 The command used to disable the route convergence function of the RIP protocol is ( )no route ripauto-summanyno auto-summanyno network 10.0.0.0No3(2分)单选题  三种路由协议RIP 、OSPF 、BGP和静态路由各自得到了一条到达目标网络，在路由器默认情况下，最终选定（ ） 路由作为最优路由 Three routing protocols RIP, OSPF and BGP and the static route each acquire a reached destination network. In the default router mode, finally ( ) is selected as the optimal routeRIPOSPFEBGP静态路由Static routeNo4(2分)单选题  主机地址123.200.8.68/28的网段地址是 The network segment address of host address 123.200.8.68/28 is ( )123.200.8.01231.200.8.32123.200.8.64123.200.8.65123.200.8.31No5(2分)单选题  端口号的目的是 The purpose of the port No. is ( )跟踪同一时间网络中的不同连接Trace different connection in the network at the same time源系统产生端口号来预报目的地址The source system generates the port No. to forecast the destination address源系统使用端口号维持会话的有序，以及选择适当的应用The source system uses the port No. to maintain the session order and select proper applications源系统根据应用程序的使用情况，用端口号动态的将终端用户分配给一个特定的连接According to the utilization state of the application program, the source system dynamically allocates the terminal users to a specific connection through the port No.No6(2分)单选题  在路由器中，能用以下命令察看路由器的路由表 In a router, which of the following commands can be used to view the route table?ARP -ATRACEROUTEROUTE PRINTSHOW IP ROUTENo7(2分)单选题  有一台正在运行的2626，它的9－16口没有接网线，但以太口上面的指示灯左面是亮的，为什么？ Ports 9-16 of a running 2626 are not connected to network cables but the left side of the indicator on the Ethernet interface is on. What is the cause?这些端口坏掉了These ports break down是端口设置为强制半双工 The ports are set as forced half duplex是端口设置成强制全双工 The ports are set as forced full duplex是端口设置为自适应端口The ports are set as adaptive portsNo8(2分)单选题  下面哪个可以使访问控制列表真正生效 Which of the following can really put the ACL into effect?将访问控制列表应用到接口上Apply the ACL to the interface定义扩展访问控制列表Define the extended ACL定义多条访问控制列表的组合Define the combination of multiple ACLs用access-list命令配置访问控制列表Configure the ACL using access-list commandNo9(2分)单选题  交换机是根据（ ）进行数据报文转发的 The switch forwards data packets according to ( )IP地址IP address交换机中设置的交换时隙信息Switching timeslot information set in the switchMAC地址MAC addressPHY地址PHY addressNo10(2分)单选题  ZXR10路由交换机收到一个数据包时，要进行怎样的判断，来决定是进行路由处理还是进行交换处理？ （ ） When a ZXR10 routing switch receives a data packet, how should it judge to decide whether to conduct routing or switching?根据数据包的目的IP地址来判断，目的IP地址和自己的IP接口属于同一网段的，进行交换，否则进行路由Judge according to the destination IP address of the data packet. If the IP address is the same as that of its IP interface, conduct switching; otherwise, conduct routing根据数据包的目的IP地址来判断，目的IP地址和自己的IP接口属于同一网段的，进行路由，否则进行交换Judge according to the destination IP address of the data packet. If the IP address is in the same network segment as its IP interface, conduct routing; otherwise, conduct routing根据数据包的目的MAC地址来判断，目的MAC地址和自己的IP接口MAC地址相同的，进行交换，否则进行路由。

Judge according to the destination MAC address of the data packet. If the MAC address is the same as the MAC address of its IP interface, conduct switching; otherwise, conduct routing根据数据包的目的MAC地址来判断，目的MAC地址和自己的IP接口MAC地址相同的，进行路由，否则进行交换Judge according to the destination MAC address of the data packet. If the MAC address is the same as the MAC address of its IP interface, conduct routing; otherwise, conduct switchingNo11(2分)单选题  当数据在网络层时，我们称之为（） The network-layer data is called ( )段Segment包Packet位Bit帧FrameNo12(2分)单选题  在运行Windows 2000系统的计算机中配置网关，类似于在路由器中配置 To configure the gateway in the computer running Windows 2000 system is similar to configuring ( ) in the router直接路由Direct route默认路由Default route动态路由Dynamic route间接路由Indirect routeNo13(2分)单选题  10.1.0.1/17 的广播地址是 The broadcast address of 10.1.0.1/17 is ( )10.1.128.25510.1.63.25510.1.127.25510.1.126.255No14(2分)单选题  （ ）协议是一种基于广播的协议，主机通过它可以动态的发现对应于一个IP地址的MAC地址（） The ( ) protocol is a broadcast-based protocol, through which the host can dynamically discover the MAC address of an IP addressARPDNSICMPRARPNo15(2分)单选题  对于RIP协议，可以到达目标网络的跳数（所经过路由器的个数）最多为 For the RIP protocol, the maximum hop count (the number of routers passed) to reach the destination network is ( )121516没有限制Not restrictedNo16(2分)单选题  为了确定网络层数据包所经过的路由器的数目，应该使用什么命令？ Which of the following commands should be used to determine the number of routers passed by network-layer data packets? ( )pingarp-atracerttelnetNo17(2分)单选题  CHAP是三次握手的验证协议，其中第一次握手是 CHAP is a three-way handshake authentication protocol, and the first handshake is ( )被验证方直接将用户名和口令传递给验证方The authenticatee directly transfers the username and password to the authenticator.验证方将一段随机报文和用户名传递到被验证方The authenticator transfers a segment of a random packet and username to the authenticatee.。