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H3C Constructing Small - and Medium - Sized Enterprise Network : GB0-191

GB0-191

Exam Code: GB0-191

Exam Name: Constructing Small - and Medium - Sized Enterprise Network

Updated: Aug 02, 2026

Q & A: 434 Questions and Answers

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H3C GB0-191 Exam Syllabus Topics:

SectionObjectives
Topic 1: Computer Network Fundamentals- Basic networking concepts and classifications
  • 1. Network types, topology, switching methods, performance indicators
    - LAN fundamentals
    • 1. Ethernet, MAC address, CSMA/CD, media types
      - OSI and TCP/IP models
      • 1. Layer functions and protocol mapping
        Topic 2: H3C Network Device Basics- CLI operation and management
        • 1. Basic commands and configuration access
          - File system and debugging
          • 1. Boot process, file management, ping/tracert
            - Device architecture and OS
            • 1. Comware OS basics and device types
              Topic 3: Advanced TCP/IP- Core network services
              • 1. DNS, DHCP, FTP/TFTP
                - IP addressing and subnetting
                • 1. VLSM, CIDR, subnet calculation
                  - IPv6 fundamentals
                  • 1. Address types, ND, auto-configuration
                    Topic 4: LAN Switching- VLAN technology
                    • 1. 802.1Q, trunk/access ports, VLAN segmentation
                      - Spanning Tree Protocol
                      • 1. STP/RSTP/MSTP roles, BPDU, loop prevention
                        - Link aggregation and port security
                        • 1. LACP, port isolation, 802.1X basics
                          - Switching fundamentals
                          • 1. MAC learning, forwarding, filtering

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

                            1. 下列有关光纤的说法中哪些是错误的 ? (多选)

                            A) 多模光纤的成本比单模光纤低
                            B) 多模光纤的纤芯较细
                            C) 采用多模光纤时,信号的最大传输距离比单模光纤长
                            D) 多模光纤可传输不同波长不同入射角度的光


                            2. 两台空配置的 MSR 路由器通过各自的广域网 Serial1/0 接口背靠背直连,其互连网段为 192.0.0.0/24 。
                            同时两台路由器的通过各自的 GigabitEthernet0/0 连接各自的局域网段用户:
                            HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
                            在两台路由器上配置 RIPv1 ,现在两台路由器上都学习到了对端局域网段的 RIP 路由。那么如下哪些说法是正确的 ?

                            A) 如果其中一台路由器的局域网段为 10.0.0.0/24 ,那么在另外一台路由器的路由表将学习到 10.0.0.0/8 的路由
                            B) 两台路由器之间的 RIP 报文基于 TCP 传输
                            C) 可以在两台路由器的广域网接口上配置 CHAP 验证增强网络安全性
                            D) 两台路由器之间交互 RIP 报文的方式是组播方式


                            3. 交换机 SWA 的端口 E1/0/1 连接有 PC 。如果想要使交换机通过 802.1X 协议对 PC 进行本地验证,则需要在交换机上配置哪些命令 ? (多选)

                            A) [SWA]local-user localuser
                            B) [SWA-luser-localuser]service-type lan-access
                            C) [SWA]dot1x
                            D) [SWA-luser-localuser]password simple hello
                            E) [SWA]dot1x interface ethernet1/0/1


                            4. 在如图所示的交换网络中,所有交换机都启用了 STP 协议。

                            SWA 被选为了根桥。根据图中的信息来看, _______ 端口应该被置为 Blocking 状态。(多选)

                            A) SWD 的 P1
                            B) 信息不足,无法判断
                            C) SWC 的 P2
                            D) SWC 的 P1
                            E) SWD 的 P2


                            5. 某网络环境形如:
                            HostA----GE0/0--MSR-1--S1/0-----Frame Relay----S1/0--MSR-2--GE0/0----HostB
                            其中,两台路由器 MSR-1 、 MSR-2 分别通过 S1/0 接入帧中继网络。在 MSR-1 的 S1/0 接口上配置 IP 地址 3.3.3.1/24 和 DLCI 31 ,而在 MSR-2 的 S1/0 接口上配置 IP 地址 3.3.3.2/24 和 DLCI 82 。物理连接完全正常,其他默认配置相同。
                            那么如下哪些说法是错误的 ? (多选)

                            A) 在帧中继网络上,必须正确配置 MSR-1 连接的 DLCI 31 与 MSR-2 连接的 DLCI 82 之间的对应关系,两台路由器的 S1/0 接口之间才能互通。
                            B) 在 MSR-1 的 S1/0 接口上配置命令 ip address negotiate 后,其可以从 MSR-2 动态获取地址。
                            C) 在帧中继网络上, DLCI 31 可以标识标识 MSR-1 , DLCI 82 可以标识 MSR-2 。
                            D) 在帧中继网络交换过程中,源 DLCI 始终是 31 ,而目的 DLCI 会发生变化。直到最后一跳,目的 DLCI 才成为 82 。


                            Solutions:

                            Question # 1
                            Answer: B,C
                            Question # 2
                            Answer: A,C
                            Question # 3
                            Answer: A,B,C,D,E
                            Question # 4
                            Answer: C,E
                            Question # 5
                            Answer: B,C,D

                            GB0-191 Related Exams
                            GB0-191-ENU - Constructing Small - and Medium - Sized Enterprise Network
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                            H3C Certification
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