Learn with H3C : GB0-191-ENU training material for 100% pass

Updated: Sep 12, 2026

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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
Related Certifications:H3C Certified Network Engineer (H3CNE)
Real Exam Qty:50-60
Available Languages:English
Exam Format:Multiple Answer, Multiple Choice
Passing Score:600/1000
Certificate Validity Period:3 years
Exam Duration:60 minutes
Sample Questions:H3C GB0-191-ENU Sample Questions
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
IPv6 Technologies- IPv6 Fundamentals
  • 1. IPv6 Routing Basics
  • 2. IPv6 Addressing
Switching Technologies- Loop Prevention
  • 1. RSTP
  • 2. STP
- LAN Switching
  • 1. Trunk Links
  • 2. VLAN Configuration
  • 3. MAC Address Learning
  • 4. Link Aggregation
Network Services- Address Translation
  • 1. NAT
  • 2. PAT
- Address and Name Services
  • 1. DHCP
  • 2. DNS Fundamentals
Network Security- Switch Security
  • 1. ARP Protection
  • 2. Port Security
- Access Control
  • 1. ACL Configuration
  • 2. Basic Security Policies
Network Management and Maintenance- Troubleshooting
  • 1. Network Connectivity Verification
  • 2. Routing Troubleshooting
  • 3. Switching Troubleshooting
- Device Management
  • 1. System Maintenance
  • 2. Configuration Backup and Restore
  • 3. CLI Operations
Routing Technologies- IP Routing Basics
  • 1. Static Routing
  • 2. Default Routing
- Dynamic Routing
  • 1. RIP
  • 2. OSPF Fundamentals
Network Fundamentals- OSI Reference Model
  • 1. IPv4 Addressing
  • 2. TCP/IP Protocol Suite
  • 3. Subnetting
  • 4. Ethernet Fundamentals
WAN Technologies- Point-to-Point Connections
  • 1. PPP
  • 2. HDLC

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

Question #1

You can see the following information on the router MSR-1:
[MSR-1]display acl 3000
Advanced ACL 3000, named -none-, 2 rules,
ACL's step is 5
rule 0 permit ip source 192.168.1.0 0.0.0.255
rule 10 deny ip (19 times matched)
The ACL 3000 has been applied to the correct interface and direction.
From this we can know _______. (Multiple choice)

  • A. When viewing the information, no data packet from the 192.168.1.0/24 network segment matches the ACL
  • B. There is a packet flow that matches rule 10
  • C. The data packet matching rule 10 may be destined for the destination network segment 192.168.1.0/24
  • D. This is a basic ACL
Reveal Solution  Discussion  0

Correct Answer: A,B,C  🗳️

Question #2

In the switching network shown in the figure, all switches have enabled the STP protocol.

According to the information in the figure, which switch will be selected as the root bridge?

  • A. SWA
  • B. SWC
  • C. SWB
  • D. Insufficient information, unable to judge
  • E. SWD
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #3

The common fields of UDP protocol and TCP protocol header are ______. (Multiple choice)

  • A. checksum
  • B. Flow control
  • C. Source IP address
  • D. Source port
  • E. Serial number
  • F. Destination port
Reveal Solution  Discussion  0

Correct Answer: A,D,F  🗳️

Question #4

In the switching network shown in the figure, all switches have enabled the STP protocol.

SWA was selected as the root bridge. According to the information in the figure, the ______ port should be set to the Forwarding state. (Multiple choice)

  • A. P2 of SWA
  • B. P2 of SWC
  • C. Insufficient information, unable to judge
  • D. P1 of SWA
  • E. P1 of SWC
Reveal Solution  Discussion  0

Correct Answer: A,D,E  🗳️

Question #5

Xiao L is a senior IP network expert, determined to develop a new dynamic routing protocol. Which of the following should be included in the working process of a routing protocol? (multiple choice) (multiple choice)

  • A. Switch routing
  • B. Found neighbors
  • C. Maintain and update routing
  • D. Calculate route
Reveal Solution  Discussion  0

Correct Answer: A,B,C,D  🗳️

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