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  • Total Questions: 434
  • Updated on: Oct 14, 2026
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  • Total Questions: 434
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H3C GB0-191 Exam Syllabus Topics:

SectionObjectives
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 Network Device Basics- Device architecture and OS
          • 1. Comware OS basics and device types
            - CLI operation and management
            • 1. Basic commands and configuration access
              - File system and debugging
              • 1. Boot process, file management, ping/tracert
                Computer Network Fundamentals- LAN fundamentals
                • 1. Ethernet, MAC address, CSMA/CD, media types
                  - OSI and TCP/IP models
                  • 1. Layer functions and protocol mapping
                    - Basic networking concepts and classifications
                    • 1. Network types, topology, switching methods, performance indicators
                      Advanced TCP/IP- IPv6 fundamentals
                      • 1. Address types, ND, auto-configuration
                        - Core network services
                        • 1. DNS, DHCP, FTP/TFTP
                          - IP addressing and subnetting
                          • 1. VLSM, CIDR, subnet calculation

                            GB0-191 Exam FAQ

                            The H3C Constructing Small - and Medium - Sized Enterprise Network exam requires a score of 600/1000 to pass, and the official registration fee is $118 USD (varies by region). Knowing both numbers before you register keeps your preparation budget realistic.

                            The H3C Constructing Small - and Medium - Sized Enterprise Network practice questions are organized around the official exam objectives. Key topics include:

                            • LAN Switching ()
                            • Advanced TCP/IP ()
                            • Computer Network Fundamentals ()

                            A systematic pass through these topics covers the syllabus end to end.

                            You can register for the H3C Constructing Small - and Medium - Sized Enterprise Network exam through the official channels:

                            The H3C Constructing Small - and Medium - Sized Enterprise Network exam is scored on a scale where 600/1000 is required to pass, and the official exam fee is $118 USD (varies by region).

                            No formal prerequisite certification required

                            You can confirm the current eligibility requirements on the official GB0-191 exam page before you register.

                            Our experts review the question bank every day, and whenever a new version is released, our system sends it to your email automatically — no request needed. If an update ever seems to go missing, check your junk or spam folder first, since automated messages occasionally land there; contact us if it truly never arrived.

                            Many candidates combine practice questions with official training. Recommended options include:

                            The H3C Constructing Small - and Medium - Sized Enterprise Network exam contains 50 questions, and you will have 60 minutes minutes to complete them. Practicing under these exact constraints makes the real exam feel like one more rehearsal.

                            Yes. If anything about the updated material or your preparation is unclear, you can contact our experts directly after purchase. They will work through your question and offer professional advice on how to approach the material, so the product comes with guidance, not just files.

                            This package includes 434 practice questions for the H3C Constructing Small - and Medium - Sized Enterprise Network exam. Every answer is verified by an experienced team of experts, so you can trust what you study.

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

                            两台空配置的 MSR 路由器 RTA 、 RTB 通过各自的 Serial1/0 接口背靠背互连。在两台路由器上做如下配置:
                            RTA: 跳过
                            [RouterA-Serial1/0] link-protocol fr ietf
                            [RouterA-Serial1/0] ip address 10.1.1.1 30
                            [RouterA-Seria11/0] fr map ip 10.1.1.2 30
                            RTB: [RouterB-Serial1/0] link-protocol fr ietf
                            [RouterB-Serial1/0] interface serial0/0.1
                            [RouterB-Serial1/0.1] ip address 10.1.1.2 30
                            [RouterB-Serial1/0.1] fr map ip 10.1.1.1 30
                            路由器之间的物理链路良好,那么下面说法正确的是 ______ 。(多选)

                            • A. 两台路由器上都没有配置 DLCI ,在 RTA 上不能 ping 通 RTB
                            • B. 在 RTA 上不能 ping 通 10.1.1.2
                            • C. 在 RTA 上可以 ping 通 10.1.1.2
                            • D. 在上述配置中,如果仅将 RTB 上子接口 serial0/0.1 的类型改为 P2MP ,那么在 RTA 上不能 ping 通 10.1.1.2
                            • E. 在上述配置中,如果仅将 RTB 上子接口 serial0/0.1 的类型改为 P2MP ,那么在 RTA 上可以 ping 通 10.1.1.2
                            Reveal Solution  Discussion  0

                            Correct Answer: B,D  🗳️

                            两台 MSR 路由器通过各自的 GigabitEthernet 0/0 接口直连,其中在一台 MSR 路由器上看到如下配置:
                            interface LoopBack2
                            ip address 8.8.8.8 255.255.255.255
                            #
                            interface GigabitEthernet0/0
                            port link-mode route
                            ip address 100.1.1.2 255.255.255.0
                            #r
                            ip 1
                            undo summary
                            version 2
                            network 100.0.0.0
                            network 8.0.0.0
                            假设两端路由器都正确配置了 RIP ,那么根据此配置,如下哪些分析是正确的 ?

                            • A. 关闭聚合意味着自然网络的子网掩码信息能够通过 RIP 传递
                            • B. 关闭聚合意味着将自然网段内的不同子网以自然掩码的路由发送
                            • C. 对端路由器将学习到 8.8.8.8/32 的 RIP 路由
                            • D. 对端路由器将学习到 8.0.0.0/8 的 RIP 路由
                            Reveal Solution  Discussion  0

                            Correct Answer: A,C  🗳️

                            FTP 默认使用的数据传输端口是 ______ 。

                            • A. 21
                            • B. 20
                            • C. 23
                            • D. 22
                            Reveal Solution  Discussion  0

                            Correct Answer: B  🗳️

                            客户的两台路由器通过 V.35 电缆背靠背连接在一起,其中一台路由器上有如下接口信息: [MSR-Serial0/0]display interface Serial 0/0
                            Serial0/0 current state: UP
                            Line protocol current state: UP
                            Description: Serial6/0 Interface
                            The Maximum Transmit Unit is 1500 , Hold timer is 10(sec)
                            Internet Address is 6.6.6.1/30 Primary
                            Link layer protocol is PPP
                            LCP opened , IPCP opened
                            从上述信息可以得知 ______ 。(多选)

                            • A. 这台路由器和远端设备之间成功完成了 PPP PAP 或者 CHAP 的验证验证可选项,题中无法看出是否设有验证、是否通过
                            • B. 该接口信息提示,在该接口下还可以配置第二个 IP 地址 subordinate
                            • C. 在这台路由器上已经可以 ping 通对端的地址 6.6.6.2 了无法判断是否通过了验证,所以对端地址也不一定可以 ping 通
                            • D. 这台路由器已经和远端设备完成了 PPP 协商,并成功建立了 PPP 链路
                            Reveal Solution  Discussion  0

                            Correct Answer: B,D  🗳️

                            用以太网线连接两台交换机,互连端口的 MDI 类型都配置为 across ,则此以太网线应该为 ________ 。

                            • A. 平行网线和交叉网线都不可以
                            • B. 只能使用直连网线
                            • C. 只能使用交叉网线
                            • D. 平行网线和交叉网线都可以
                            Reveal Solution  Discussion  0

                            Correct Answer: C  🗳️

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