Try and practice the latest H3C : GB0-191 real questions & answers

Last Updated: Aug 28, 2026

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Short on study time before your GB0-191 exam? The 434 practice questions at Actual4Cert concentrate your effort on exactly what the H3C Constructing Small - and Medium - Sized Enterprise Network exam measures, and every set is kept current for 2026.

H3C GB0-191 Exam Overview:

Certification Vendor:H3C
Exam Name:Constructing Small- and Medium-Sized Enterprise Network
Exam Number:GB0-191
Related Certifications:H3CNE-RS+
Exam Duration:60 minutes
Real Exam Qty:50
Passing Score:600/1000
Certificate Validity Period:3 years
Exam Price:$118 USD (varies by region)
Exam Format:Multiple Response, Multiple Choice
Available Languages:English
Recommended Training:Routing and Switching Essentials V1.0
Exam Registration:H3C Certification Portal
Prometric Exam Registration
Sample Questions: DOWNLOAD DEMO
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:

SectionObjectives
Topic 1: LAN Switching- Switching fundamentals
  • 1. MAC learning, forwarding, filtering
    - Spanning Tree Protocol
    • 1. STP/RSTP/MSTP roles, BPDU, loop prevention
      - VLAN technology
      • 1. 802.1Q, trunk/access ports, VLAN segmentation
        - Link aggregation and port security
        • 1. LACP, port isolation, 802.1X basics
          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: H3C Network Device Basics- Device architecture and OS
                • 1. Comware OS basics and device types
                  - File system and debugging
                  • 1. Boot process, file management, ping/tracert
                    - CLI operation and management
                    • 1. Basic commands and configuration access
                      Topic 4: Advanced TCP/IP- Core network services
                      • 1. DNS, DHCP, FTP/TFTP
                        - IPv6 fundamentals
                        • 1. Address types, ND, auto-configuration
                          - IP addressing and subnetting
                          • 1. VLSM, CIDR, subnet calculation

                            H3C GB0-191 Exam FAQs

                            The H3C Constructing Small - and Medium - Sized Enterprise Network exam (exam code GB0-191) is the official H3C exam that leads to the H3C Certified Network Engineer for Routing & Switching Plus (H3CNE-RS+) certification, sitting at the Associate level of the H3C certification track. It is also connected with H3CNE-RS+. If this is the credential you are working toward, the 434 practice questions at Actual4Cert map directly to its objectives.

                            The H3C Constructing Small - and Medium - Sized Enterprise Network exam includes 50 questions, and you have 60 minutes to complete them. Divide the time limit by the question count and you get a tight average pace per item, so train yourself to flag time-consuming questions and return to them later instead of getting stuck. Before test day, run at least one full timed session in the Actual4Cert test engine under the same limits — the clock should never surprise you.

                            The passing score for H3C Constructing Small - and Medium - Sized Enterprise Network is 600/1000, and the official registration fee is $118 USD (varies by region). A failed attempt means paying that fee in full again, so your preparation budget deserves the same attention as your study plan. A practical rule: book your exam date only after you can finish a Actual4Cert practice test comfortably above the passing score more than once.

                            According to H3C, candidates should meet the following before registering: No formal prerequisite certification required. Requirements can change, so confirm the latest details on the official exam page before you register.

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

                            Exam delivery: Computer-based exam via authorized test centers (e.g., Prometric).

                            H3C lists the following official training options for this exam:

                            Formal training builds the theory; pair it with the 434 practice questions from Actual4Cert to find out whether you are genuinely ready for the exam.

                            Yes. A free PDF demo of the GB0-191 practice questions is available to download, so you can judge the format and quality before paying anything. Every purchase also includes 365 days of free updates, and if your product expires you can extend the update service at a 50% discount.

                            Your order is covered by a conditional 100% money-back guarantee: if you take the corresponding exam within 60 days of purchase and do not pass, you may apply for a full refund. Exams taken within 3 days of purchase are not eligible, nor are free materials or expired orders, and the candidate name must match the payer name. To claim, submit a scanned enrollment slip and your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer to keep studying? You can instead exchange your purchase for two free products of equal value while keeping the update service on your original one. Delivery itself is immediate: your product unlocks for instant download right after payment and a copy is emailed to you within a minute — if nothing arrives within 2 hours, contact our support team. There is no limit on the number of computers you can install it on.

                            The H3C Constructing Small - and Medium - Sized Enterprise Network blueprint is divided into 4 major domains, starting with Advanced TCP/IP, LAN Switching, and H3C Network Device Basics. The full breakdown, including every subdomain and its weighting, is listed in the Exam Topics section above — review it against your own weak areas before scheduling the exam.

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

                            Question 1

                            某企业网络管理员需要设置一个子网掩码将其负责的 C 类网络 211.110.10.0 划分为子网,要求每个子网的主机数不少于 20 ,请问可以采用多少位的子网掩码进行划分 ? (多选)

                            A. 28
                            B. 27
                            C. 26
                            D. 25
                            E. 29


                            Question 2

                            在路由器上开启 DHCP 服务的正确配置命令是 ______ 。

                            A. [Router] dhcp
                            B. [Router-dhcp-pool-0] dhcp
                            C. [Router] dhcp enable
                            D. [Router-dhcp-pool-0] dhcp enable


                            Question 3

                            某公司的 MSR 路由器的广域网主链路为同异步串口,通过一根 V.35 电缆接入运营商网络;该路由器同时以一个 ISDN BRI 接口做备份链路。
                            那么关于线路带宽,如下哪些说法是正确的 ? (多选)

                            A. 备份线路的带宽可能是 144Kbps
                            B. 主链路的带宽可能是 1Mbps
                            C. 备份线路的带宽可能是 128Kbps
                            D. 备份线路的带宽可能是 64Kbps


                            Question 4

                            客户路由器 MSR-1 的以太网口 Ethernet1/0 配置如下:
                            interface Ethernet0/0
                            ip address 192.168.0.1 255.255.255.0
                            该接口连接了一台三层交换机,而此三层交换机为客户办公网络的网段 192.168.7.0/24~192.168.83.0/24 的默认网关所在。
                            现在客户要求在 MSR-1 上配置 ACL 来禁止办公网络所有用户向 MSR-1 的地址 192.168.0.1 发起 Telnet ,那么下面哪项配置是正确的 ?

                            A. acl number 3000 rule 0 deny 0.0.0.0 255.255.255.255 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 inbound
                            B. acl number 3000 rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 inbound
                            C. acl number 3000 rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 outbound
                            D. acl number 3000 rule 0 deny 0.0.0.0 255.255.255.255 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 outbound


                            Question 5

                            下面关于 OSI 参考模型各层功能的说法正确的是 ______ 。(多选)

                            A. 会话层负责数据格式处理、数据加密等。
                            B. 传输层的基本功能是建立、维护虚电路,进行差错校验和流量控制。
                            C. 网络层决定传输报文的最佳路由,其关键问题是确定数据包从源端到目的端如何选择路由。
                            D. 应用层负责为应用程序提供网络服务。
                            E. 物理层涉及在通信信道( Channel )上传输的原始比特流,它定义了传输数据所需要的机械、电气功能及规程等特性。


                            Solutions:

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

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