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H3C GB0-191 Exam Syllabus Topics:

H3C Constructing Small - and Medium - Sized Enterprise Network Sample Questions:

1. 在 MSR 路由器上,如果想从 FTP Server 下载文件,应使用 FTP 命令中的 ______ 命令。

A) load
B) download
C) put
D) get

2. 某二层交换机上的 MAC 地址表如图所示。

当交换机从 E1/0/2 接口收到一个目的 MAC 地址为 00-13-72-8E-4B-C1 的帧时,交换机会将该帧 ______ 。

A) 从 E1/0/4 接口发送出去
B) 从交换机上的所有接口发送出去
C) 从 E1/0/1 接口发送出去
D) 从 E1/0/3 接口发送出去
E) 从 E1/0/2 接口发送出去
F) 直接丢弃

3. 以下说法正确的是 ______ 。（多选)

A) DCE （ Data Circuit Terminating Equipment ,数据通信设备或者数据电路终端设备)设备及其与通信网络的连接构成了网络终端的用户网络接口。它提供了到网络的一条物理连接用于转发业务量,并且提供了一个用于同步 DCE 设备和 DTE 设备之间数据传输的时钟信号。
B) CSU （ Channel Service Unit ,信道服务单元):把终端用户和本地数字电话环路相连的数字接口设备。通常它和 DSU 统称为 CSU/DSU 。 CSU 设备包括计算机、协议翻译器以及多路分解器等设备。 DTE 设备包括这些
C) DTE （ Data Terminal Equipment ,数据终端设备)设备指位于用户网络接口用户端的设备,它能够作为信源、信宿或同时为二者。数据终端设备通过数据通信设备（例如,调制解调器)连接到一个数据网络上,并且通常使用数据通信设备产生的时钟信号。调制解调器和接口卡都是 DTE 设备的例子。是 DCE 设备的例子
D) DSU （ Data Service Unit ,数据服务单元):指的是用于数字传输中的一种设备,它能够把 DTE 设备上的物理层接口适配到 T1 或者 E1 等通信设施上。数据业务单元也负责信号计时等功能,它通常与 CSU 一起提及,称作 CSU/DSU 。

4. ping 实际上是基于 ______ 协议开发的应用程序。

A) IP
B) UDP
C) TCP
D) ICMP

5. 三台 MSR 路由器 RTA 、 RTB 、 RTC 通过各自的 S1/0 接口接入同一帧中继网络。此帧中继网络可以提供足够的 PVC 资源。作为网络工程师,你需要为这些帧中继接口分配 IP 地址。
如下哪些说法是不正确的 ?

A) 如果不允许经过任何一台路由器中转,则至少需要两个 IP 子网才能实现三台路由器通过此帧中继网络两两互通
B) 在正确配置路由的前提下,不需要配置子接口也能实现三台路由器通过此帧中继网络互通
C) 在正确配置路由的前提下,可以只用一个 IP 子网就实现三台路由器通过此帧中继网络互通
D) 如果不允许经过任何一台路由器中转,则至少需要三个 IP 子网才能实现三台路由器通过此帧中继网络两两互通

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