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Updated: Jul 19, 2026
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H3C GB0-191 Exam Overview:
| Certification Vendor: | H3C |
| Exam Name: | Constructing Small- and Medium-Sized Enterprise Network |
| Exam Number: | GB0-191 |
| Real Exam Qty: | 50 |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Multiple Response |
| Exam Price: | $118 USD (varies by region) |
| Exam Duration: | 60 minutes |
| Certificate Validity Period: | 3 years |
| Related Certifications: | H3CNE-RS+ |
| Passing Score: | 600/1000 |
| Recommended Training: | Routing and Switching Essentials V1.0 |
| Exam Registration: | Prometric Exam Registration H3C Certification Portal |
| Sample Questions: | H3C GB0-191 Sample Questions |
| Exam Way: | Computer-based exam via authorized test centers (e.g., Prometric) |
| Pre Condition: | No formal prerequisite certification required |
| Official Syllabus URL: | https://www.h3c.com/en/Training_Certification/ |
H3C GB0-191 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Computer Network Fundamentals | - OSI and TCP/IP models
|
| Topic 2: Advanced TCP/IP | - IP addressing and subnetting
|
| Topic 3: H3C Network Device Basics | - CLI operation and management
|
| Topic 4: LAN Switching | - Spanning Tree Protocol
|
H3C Constructing Small - and Medium - Sized Enterprise Network Sample Questions:
1. 在 OSI 参考模型中,网络层的功能主要是 ______ 。
A) 确定数据包从源端到目的端如何选择路由
B) 在信道上传输原始的比特流
C) 确保到达对方的各段信息正确无误
D) 加强物理层数据传输原始比特流的功能,并且进行流量调控
2. 客户的网络连接形如:
HostA----GE0/0--MSR-1--S1/0-----WAN----S1/0--MSR-2--GE0/0----HostB
在两台路由器 MSR-1 和 MSR-2 的广域网接口 S1/0 上都只封装了 PPP 协议并配置 IP 地址。目前 HostA 与 HostB 可以互相 ping 通。在 MSR-1 接口 S1/0 下增加命令 ppp authentication-mode chap ,然后对 MSR-1 的 S1/0 执行 shutdown 和 undo shutdown 操作。
那么 ______ 。（多选)
A) MSR-2 会发送 Challenge ,同时附带本端的用户名一起发送给 MSR-1 开始 CHAP 验证
B) 此时 HostA 与 HostB 之间无法互相 ping 通
C) 此时 HostA 与 HostB 依然可以互相 ping 通
D) MSR-1 会发送 Challenge ,同时附带本端的用户名一起发送给 MSR-2 开始 CHAP 验证
3. 客户的网络如下所示:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
在两台路由器上的广域网接口分别作了如下配置:
MSR-1 :
firewall enable
acl number 3000
rule 0 deny ip source 192.168.0.0 0.0.0.255
rule 5 permit ip
interface Serial1/0
link-protocol ppp
firewall packet-filter 3000 outbound
ip address 6.6.6.2 255.255.255.0
MSR-2 :
interface Serial1/0
link-protocol ppp
ip address 6.6.6.1 255.255.255.0
假设 HostA 的 IP 地址为 192.168.0.2/24 ,路由以及其他相关接口配置都正确,那么 _______ 。（多选)
A) HostA 能 ping 通 6.6.6.2 ,同时也能 ping 通 6.6.6.1
B) 在 MSR-2 上能 ping 通 HostA
C) HostA 可以 ping 通 6.6.6.2 ,但是不能 ping 通 6.6.6.1
D) HostA 不能 ping 通 6.6.6.2 ,同时也不能 ping 通 6.6.6.1
4. 对于分组交换方式的理解,下列说法中正确的是 ______ 。（多选)
A) 分组交换是一种基于存储转发（ Store-and-Forward switching )的交换方式
B) 每个分组都载有接收方和发送方的地址标识,分组可以不需要任何操作而直接转发,从而提高了效率
C) 传输的信息被划分为一定长度的分组,以分组为单位进行转发
D) 分组交换包括基于帧的分组交换和基于信元的分组交换
5. 下面关于 IP 地址的说法错误的是 ______ 。（多选)
A) 地址转换（ NAT )技术通常用于解决 A 类地址到 C 类地址的转换。
B) IP 地址由两部分组成:网络号和主机号。
C) A 类 IP 地址的网络号有 8 位,实际的可变位数为 7 位。
D) C 类 IP 地址的第一个八位段以 100 起始。
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B,D | Question # 3 Answer: C | Question # 4 Answer: A,C,D | Question # 5 Answer: A,D |
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