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H3C GB0-191 Exam Syllabus Topics:

SectionObjectives
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
        LAN Switching- VLAN technology
        • 1. 802.1Q, trunk/access ports, VLAN segmentation
          - Switching fundamentals
          • 1. MAC learning, forwarding, filtering
            - Spanning Tree Protocol
            • 1. STP/RSTP/MSTP roles, BPDU, loop prevention
              - Link aggregation and port security
              • 1. LACP, port isolation, 802.1X basics
                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- OSI and TCP/IP models
                      • 1. Layer functions and protocol mapping
                        - LAN fundamentals
                        • 1. Ethernet, MAC address, CSMA/CD, media types
                          - Basic networking concepts and classifications
                          • 1. Network types, topology, switching methods, performance indicators

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

                            1. 数据分段是在 OSI 参考模型中的 ______ 完成的。

                            A) 网络层
                            B) 传输层
                            C) 物理层
                            D) 接入层


                            2. 在 MSR 路由器上看到路由表里有如下显示:
                            Destination/Mask Proto Pre Cost NextHop Interface
                            127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
                            127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
                            192.168.96.0/19 Direct 0 0 192.168.120.153 S6/0
                            那么关于目的地址为 192.168.96.0/19 的路由的正确描述是 ______ 。

                            A) 这是一条手工配置的静态路由,度量值为 0
                            B) 这是一条直连路由,度量值为 0
                            C) 在该路由器上 S6/0 的接口 IP 地址为 192.168.120.153
                            D) 该路由器的下一跳也即对端设备的 IP 地址为 192.168.120.153


                            3. 如下关于 MSR 路由表的描述,哪些是正确的 ? (多选)

                            A) 如果到同一目的网段的路由有多个来源,那么只把 Metric (度量)值最小的路由写入路由表
                            B) 如果到同一目的网段的路由有多个来源,那么只把 Preference (优先级)值最大的路由写入路由表
                            C) 如果到同一目的网段的路由有多个来源,那么只把 Metric (度量)值最大的路由写入路由表
                            D) 如果到同一目的网段的路由有多个来源,那么只把 Preference (优先级)值最小的路由写入路由表
                            E) 如果同一路由协议发现到达同一目的网段的多条路径,那么这些路由不可能全部被写入路由表
                            F) 如果同一路由协议发现到达同一目的网段的多条路径,那么这些路由有可能都会被写入路由表


                            4. B 类地址的默认子网掩码是 ______ 。

                            A) 255.255.0.0
                            B) 255.0.0.0
                            C) 255.255.255.0
                            D) 以上都不正确


                            5. 客户的网络连接形如:
                            HostA----GE0/0--MSR-1--S1/0-----WAN-----S1/0--MSR-2--GE0/0----HostB
                            两台 MSR 路由器通过广域网实现互连,目前物理连接已经正常。 MSR-1 的接口 S1/0 地址为 3.3.3.1/30 , MSR-2 的接口 S1/0 地址为 3.3.3.2/30 ,现在在 MSR-1 上配置了如下三条静态路由:
                            ip route-static 192.168.1.0 255.255.255.0 3.3.3.2
                            ip route-static 192.168.2.0 255.255.255.0 3.3.3.2
                            ip route-static 192.168.0.0 255.255.255.0 3.3.3.2
                            其中 192.168.0.0/22 子网是主机 HostB 所在的局域网段。
                            那么如下描述哪些是正确的 ? (多选)

                            A) 只有第三条路由会被写入 MSR-1 的路由表
                            B) 这三条路由都会被写入 MSR-1 的路由表
                            C) 只有第一条路由会被写入 MSR-1 的路由表
                            D) 这三条路由可以被一条路由 ip route-static 192.168.0.0 255.255.252.0 3.3.3.2 代替


                            Solutions:

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

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