Certification exams change, and Getcertkey keeps pace: the GB0-191-ENU practice question set is reviewed continuously and updated free of charge for 365 days. Your H3C Constructing Small - and Medium - Sized Enterprise Network preparation stays aligned with the current exam throughout 2026 and beyond.
H3C GB0-191-ENU Exam Overview:
| Certification Vendor: | H3C |
|---|---|
| Exam Name: | Constructing Small - and Medium - Sized Enterprise Network |
| Exam Number: | GB0-191-ENU |
| Certificate Validity Period: | 3 years |
| Related Certifications: | H3C Certified Network Engineer (H3CNE) |
| Real Exam Qty: | 50-60 |
| Exam Format: | Multiple Answer, Multiple Choice |
| Passing Score: | 600/1000 |
| Available Languages: | English |
| Exam Duration: | 60 minutes |
| 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:
| Section | Objectives |
|---|---|
| Network Security | - Access Control
|
| Switching Technologies | - Loop Prevention
|
| WAN Technologies | - Point-to-Point Connections
|
| Network Fundamentals | - OSI Reference Model
|
| IPv6 Technologies | - IPv6 Fundamentals
|
| Routing Technologies | - Dynamic Routing
|
| Network Management and Maintenance | - Troubleshooting
|
| Network Services | - Address Translation
|
H3C Constructing Small - and Medium - Sized Enterprise Network Exam FAQ: What Candidates Ask Most
What is the H3C GB0-191-ENU exam?
The GB0-191-ENU exam is the official H3C exam behind the H3CNE certification, validating the skills measured by the H3C Constructing Small - and Medium - Sized Enterprise Network credential. It sits at the Associate level of the H3C certification program. It also connects to H3C Certified Network Engineer (H3CNE), so the knowledge you build here carries over to those tracks as well.
How many questions are on the GB0-191-ENU exam, and how much time do I get?
The GB0-191-ENU exam contains 50-60 questions to be completed within 60 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.
Are there any prerequisites for the GB0-191-ENU exam?
No formal prerequisite exam required. Requirements can change when H3C revises its certification program, so confirm the current eligibility rules on the official exam page before you register.
Can I try the GB0-191-ENU practice questions before I buy?
Yes. Getcertkey provides a free GB0-191-ENU PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if H3C revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.
What if I fail the GB0-191-ENU exam, and how is my order delivered?
Every H3C Constructing Small - and Medium - Sized Enterprise Network purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.
Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.
What topics are covered in the GB0-191-ENU exam?
The H3C Constructing Small - and Medium - Sized Enterprise Network exam blueprint is organized into 8 domains. The first three are:
- Network Services
- IPv6 Technologies
- Network Fundamentals
For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.
H3C Constructing Small - and Medium - Sized Enterprise Network Sample Questions:
Question #1
The transport layer protocol that DNS can use is ______.
A. TCP
B. TCP or UDP
C. UDP
D. NCP
Question #2
The correct statement below is ______. (Multiple choice)
A. In MSTP mode, each port of the device will send out MSTP BPDU packets. When a port is found to be connected to an STP device, the port will automatically migrate to work in STP compatibility mode
B. In RSTP mode, each port of the device will send out RSTP BPDU packets. When it is found to be connected to an STP device, the port will automatically migrate to work in STP compatibility mode
C. MSTP and RSTP can identify each other's protocol packets and are compatible with each other
D. In STP compatibility mode, each port of the device will send out STP BPDU packets
Question #3
The three MSR routers are connected as shown in the figure. All three routers belong to OSPF Area 0, and at the same time, the interconnection network segments of the three routers are advertised in Area 0 through the network command. On RTC, the network segment NET-1 is also published in OSPF Area 0 through the network command. The OSPF Cost between the three routers is shown in the figure.
At present, the neighbor status of the three routers is stable, so ______. (Multiple choice)
A. There are two OSPF routes to the destination network segment NET-1 in the RTB routing table
B. After the network status is stable, within the next 45 minutes, only Hello packets will be transmitted between OSPF neighbors on the network
C. For RTB, to reach the destination network segment NET-1 will give priority to RTB--->RTA--->RTC path
D. There is only one OSPF route to the NET-1 network segment in the RTA routing table
Question #4
If you want to achieve the entire network interoperability, as shown in the figure, there are 4 ways to divide the OSPF area, which is reasonable? (multiple choice)
A. Figure 4
B. Picture 1
C. Figure 3
D. Picture 2
Question #5
The correct statement about the OSI reference model is ______.
A. The data at the data link layer is called a packet (Packet)
B. The data of the network layer is called segment (Segment)
C. The data of the transport layer is called a frame (Frame)
D. The data of the physical layer is called bit (Bit)
Solutions:
| Question #1 Answer: B | Question #2 Answer: A,B,C,D | Question #3 Answer: C,D | Question #4 Answer: A,B,C,D | Question #5 Answer: D |


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