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H3C GB0-191

GB0-191

Exam Code: GB0-191

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

Updated: Sep 09, 2026

Q & A: 434 Questions and Answers

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GB0-191 exam dumps

H3C GB0-191 Exam Syllabus Topics:

SectionObjectives
Topic 1: LAN Switching- Switching fundamentals
  • 1. MAC learning, forwarding, filtering
    - Link aggregation and port security
    • 1. LACP, port isolation, 802.1X basics
      - VLAN technology
      • 1. 802.1Q, trunk/access ports, VLAN segmentation
        - Spanning Tree Protocol
        • 1. STP/RSTP/MSTP roles, BPDU, loop prevention
          Topic 2: 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 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: 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

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

                            Question 1

                            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

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


                            Question 2

                            关于 STP 协议说法正确的是 ______ 。(多选)

                            A. 优先级相同时, MAC 地址越小优先级越高
                            B. BridgeID 值大的将被选为根桥
                            C. 优先级值越小优先级越低
                            D. BridgeID 值由网桥的优先级和网桥的 MAC 地址组合而成。前面是优先级,后面是 MAC 地址。
                            E. H3C 以太网交换机的默认优先级值是 32768


                            Question 3

                            100BASE-TX 的标准物理介质是 ______ 。

                            A. 3 类双绞线
                            B. 粗同轴电缆
                            C. 5 类双绞线
                            D. 光纤
                            E. 细同轴电缆


                            Question 4

                            假设一台 MSR 路由器获得两条去往目的网段 100.120.10.0/24 的路由,这两条路由的 Cost 分别是 120 和 10 ,优先级分别是 10 和 150 。那么去往此目的地址的数据包将 ______ 。(多选)

                            A. 优先匹配 Cost 为 10 的路由
                            B. 优先匹配优先级为 150 的路由
                            C. 优先匹配优先级为 10 的路由
                            D. 优先匹配 Cost 为 120 的路由


                            Question 5

                            在一台运行 OSPF 的 MSR 路由器的 GE0/0 接口上做了如下配置:
                            [MSR-GigabitEthernet0/0]ospf cost 2
                            那么关于此配置命令描述正确的是 ______ 。(多选)

                            A. 默认情况下, MSR 路由器的接口 Cost 与接口带宽成正比关系
                            B. 该命令将接口 GE0/0 的 OSPF Cost 值修改为 2
                            C. 该命令只对从此接口接收的数据的路径有影响
                            D. 该命令只对从此接口发出的数据的路径有影响


                            Solutions:

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

                            GB0-191 Related Exams
                            GB0-191-ENU - Constructing Small - and Medium - Sized Enterprise Network
                            Related Certifications
                            H3C Certification
                            H3CSE-Routing & Switching
                            H3CNE-Cloud
                            HCSE Certification
                            H3CNE
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