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H3C GB0-191-ENU Exam Overview:

Certification Vendor:H3C
Exam Name:Constructing Small - and Medium - Sized Enterprise Network
Exam Number:GB0-191-ENU
Exam Duration:60 minutes
Related Certifications:H3C Certified Network Engineer (H3CNE)
Exam Format:Multiple Choice, Multiple Answer
Available Languages:English
Passing Score:600/1000
Real Exam Qty:50-60
Certificate Validity Period:3 years
Sample Questions: DOWNLOAD DEMO
Exam Way:Pearson VUE / Authorized H3C Testing Center; Computer-based exam.
Pre Condition:No formal prerequisite exam required.
Official Syllabus URL:https://www.h3c.com

H3C GB0-191-ENU Exam Syllabus Topics:

SectionObjectives
Topic 1: Network Security- Switch Security
  • 1. ARP Protection
  • 2. Port Security
- Access Control
  • 1. Basic Security Policies
  • 2. ACL Configuration
Topic 2: Network Fundamentals- OSI Reference Model
  • 1. Ethernet Fundamentals
  • 2. TCP/IP Protocol Suite
  • 3. IPv4 Addressing
  • 4. Subnetting
Topic 3: Routing Technologies- Dynamic Routing
  • 1. RIP
  • 2. OSPF Fundamentals
- IP Routing Basics
  • 1. Static Routing
  • 2. Default Routing
Topic 4: Network Management and Maintenance- Troubleshooting
  • 1. Network Connectivity Verification
  • 2. Switching Troubleshooting
  • 3. Routing Troubleshooting
- Device Management
  • 1. System Maintenance
  • 2. CLI Operations
  • 3. Configuration Backup and Restore
Topic 5: Switching Technologies- Loop Prevention
  • 1. RSTP
  • 2. STP
- LAN Switching
  • 1. MAC Address Learning
  • 2. VLAN Configuration
  • 3. Link Aggregation
  • 4. Trunk Links
Topic 6: WAN Technologies- Point-to-Point Connections
  • 1. HDLC
  • 2. PPP
Topic 7: IPv6 Technologies- IPv6 Fundamentals
  • 1. IPv6 Addressing
  • 2. IPv6 Routing Basics
Topic 8: Network Services- Address Translation
  • 1. NAT
  • 2. PAT
- Address and Name Services
  • 1. DHCP
  • 2. DNS Fundamentals

GB0-191-ENU Exam FAQ: Practical Questions, Practical Answers

Exams4sures issues a full refund if you take the H3C Constructing Small - and Medium - Sized Enterprise Network exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.

The official H3C Constructing Small - and Medium - Sized Enterprise Network outline defines 8 domains. The leading three are WAN Technologies, IPv6 Technologies, and Network Management and Maintenance. The full list is in the topics section above, and Exams4sures's 434 practice questions cover each one.

Three versions of the same study materials, offering three learning modes: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 434 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.

No formal prerequisite exam required. Since requirements change over time, confirm the latest on the official H3C exam page before scheduling.

The GB0-191-ENU exam is a H3C certification exam validating the H3C Constructing Small - and Medium - Sized Enterprise Network syllabus shown above. It belongs to these credential paths: H3C Certified Network Engineer (H3CNE). Candidates in 2026 prepare for it with Exams4sures's 434 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.

Pearson VUE / Authorized H3C Testing Center; Computer-based exam. Register for the H3C Constructing Small - and Medium - Sized Enterprise Network exam through these official channels:

    After booking, Exams4sures delivers your practice questions within 1 minute — preparation starts the same day.

    H3C recommends these training resources for the H3C Constructing Small - and Medium - Sized Enterprise Network exam:

      Follow the training with steady self-testing — the 434 practice questions from Exams4sures help you apply theory and fill any gaps the training leaves.

      The H3C Constructing Small - and Medium - Sized Enterprise Network exam contains 50-60 to complete within 60 minutes. Timed simulation in the Exams4sures Desktop Test Engine teaches that rhythm before exam day does.

      Scoring and fees are published by H3C and may change; verify the current figures on the official site.

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

      The following statement about the upgrade of H3C network equipment is correct ______. (Multiple choice)

      • A. Use Xmodem to upgrade to the same speed as FTP
      • B. In an environment where the complex interaction between the client and the server is not convenient, you can use TFTP to upgrade
      • C. When the device cannot boot to the command line mode and needs to upgrade the operating system software, Xmodem and TFTP can be used
      • D. When using FTP to upgrade, the device can be used as an FTP server or client
      Reveal Solution  Discussion  0

      Correct Answer: B,C,D  🗳️

      To view the debug information of NAT packets, you should use the ______ command to turn on the debug information and output it to the display.

      • A. terminal debugging debugging nat
      • B. terminal monitor terminal debugging debugging nat packet
      • C. terminal monitor debugging nat
      • D. terminal monitor terminal debugging debug nat
      Reveal Solution  Discussion  0

      Correct Answer: B  🗳️

      A Layer 3 switch is connected to the GE0/0 interface of the customer's router MSR-1, and this Layer 3 switch is the default gateway for multiple network segments of the customer's office network to which it is connected. MSR-1 is connected to the Internet through the serial port S1/0. The entire network has been interoperable normally, and office network users can access the Internet. Add the following ACL configuration on the router:
      firewall enable
      acl number 3004
      rule 0 deny ip source 192.168.1.0 0.0.0.255
      rule 5 permit tcp source 192.168.0.0 0.0.255.255
      rule 10 permit icmp
      At the same time, ACL 3004 is applied in the inbound direction of GE0/0, then ______. (Multiple choice)

      • A. The router prohibits all IP traffic to the Internet from users on the 192.168.1.0/24 network segment from passing through
      • B. The router allows ICMP packets of all users to pass
      • C. The router allows users on the 192.168.1.0/24 network segment to pass the WWW service traffic to the Internet
      • D. The router allows users on the 192.168.2.0/24 network segment to pass the FTP data stream sent from the Internet
      Reveal Solution  Discussion  0

      Correct Answer: A,D  🗳️

      The correct statement below is ______. (Multiple choice)

      • A. The FTP control connection is closed after the data transfer is over
      • B. The FTP data connection is closed after the data transfer is over
      • C. The FTP data connection remains open during the entire FTP session
      • D. The FTP control connection remains open during the entire FTP session
      Reveal Solution  Discussion  0

      Correct Answer: B,D  🗳️

      An empty-configured MSR router is connected to the same OSPF network through multiple interfaces, and OSPF is enabled on all these interfaces. After the configuration is completed, the router has successfully learned the OSPF routes in the network.
      Now run the following command on an OSPF interface of the router:
      [MSR-GigabitEthernet0/0]ospf cost 256
      In the case of keeping other configurations unchanged, the correct understanding of the configuration is _____.

      • A. This configuration will not affect the forwarding path of data packets
      • B. This configuration may affect the forwarding path of data packets
      • C. This configuration command is invalid because the maximum value of Cost is 255
      • D. The configuration command is invalid because the command was entered incorrectly
      Reveal Solution  Discussion  0

      Correct Answer: B  🗳️

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      Viewing questions 1-5 out of 434 questions.

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