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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 (Written Exam) |
| Exam Number: | H12-891_V1.0 |
| Exam Format: | Fill-in-the-blank, Multiple-choice, Single-choice, True/false, Drag-and-drop |
| Exam Duration: | 90 minutes |
| Related Certifications: | HCIP-Datacom-Core Technology HCIE-Datacom V1.0 (Lab Exam) H12-892_V1.0 |
| Exam Price: | 300 USD |
| Real Exam Qty: | 60-70 |
| Certificate Validity Period: | 3 years |
| Available Languages: | Chinese, English |
| Passing Score: | 600/1000 |
| Recommended Training: | Huawei Official Training - HCIE-Datacom V1.0 |
| Exam Registration: | Pearson VUE Huawei Talent Official |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized test centers |
| Pre Condition: | Recommended to hold HCIP-Datacom-Core Technology certification; 5+ years of relevant network engineering experience suggested; must pass written exam before taking lab exam |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification/exam/H12-891_V1.0 |
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With the Huawei H12-891_V1.0 Certification Exam, you can demonstrate your skills and upgrade your knowledge.The Huawei H12-891_V1.0 certification exam will provide you with many personal and professional benefits such as more career opportunities, updated and in demands expertise, an increase in salary, instant promotion, and recognition of skills across the world.
The HCIE-Datacom V1.0 certification is a valuable credential for professionals looking to advance their careers in the field of data communication. HCIE-Datacom V1.0 certification is recognized globally and can help professionals stand out in a competitive job market.
Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam covers a wide range of topics, including advanced IP routing protocols, MPLS VPNs, BGP, network security, network management, and more. H12-891_V1.0 Exam is designed to test the candidate's ability to design, implement, and troubleshoot complex data communication infrastructures. H12-891_V1.0 exam includes both theoretical and practical components, and candidates must demonstrate their ability to apply their knowledge in real-world scenarios.
NEW QUESTION # 287
Network Admission Control (NAC) needs to be deployed on the network shown in the figure. Drag a proper authentication mode to each authentication point.
Answer:
Explanation:
Explanation:
Correct Matching of Authentication Methods:
1# 802.1X authentication # PC (GE0/0/2 on SW3)2# MAC address authentication # IP Phone (GE0/0/3 on SW3)3## Portal authentication # Wireless Clients (Connected via SW2/AP) Understanding Network Admission Control (NAC) Authentication Methods
# Network Admission Control (NAC) enforces security policies before allowing devices onto the network
.# Different types of devices require different authentication methods based on capabilities and security requirements.
Analysis of Each Authentication Type:
# 1## 802.1X Authentication (Used for PC on GE0/0/2 of SW3)
* Best for devices that support user authentication (e.g., PCs, Laptops).
* Requires supplicant software (e.g., Windows or macOS built-in 802.1X client).
* Provides strong security using EAP (Extensible Authentication Protocol) over RADIUS.
# 2## MAC Address Authentication (Used for IP Phone on GE0/0/3 of SW3)
* Best for devices that do not support username/password authentication (e.g., IP Phones, IoT devices).
* Uses MAC addresses as identity credentials.
* Suitable for VoIP networks, industrial IoT, and surveillance cameras.
# 3## Portal Authentication (Used for Wireless Clients on SW2/AP)
* Best for guests or mobile users accessing Wi-Fi networks.
* Redirects users to a web-based login page before granting access.
* Used in public hotspots, campus Wi-Fi, and enterprise guest networks.
Why These Assignments Are Correct?
1## 802.1X for PC:
* PCs support 802.1X authentication via supplicants (EAP-MD5, PEAP, etc.).
* Ensures high security by verifying user credentials.
2## MAC Address Authentication for IP Phone:
* IP Phones lack a username/password interface, so authentication is done via MAC addresses.
* Simplifies authentication while maintaining security.
3## Portal Authentication for Wireless Clients:
* Wireless users do not use 802.1X authentication directly; instead, they are redirected to a web login page.
* Common in enterprise guest Wi-Fi and public hotspots.
Real-World Application:
* Enterprise NAC Deployment: Ensures only authorized users and devices access the corporate network.
* Campus & Hotel Wi-Fi Security: Uses Portal Authentication for guests, 802.1X for employees, and MAC-based for VoIP.
# Reference: Huawei HCIE-Datacom Guide - NAC Authentication Methods & Best Practices
NEW QUESTION # 288
As shown below, RI, R2 establish EBGP neighbors, and once turned on, the BFD detection function, the following statement is correct?
Answer: D
NEW QUESTION # 289
The naming of SRv6 instructions complies with certain rules. You can quickly determine the function of an instruction based on the instruction name. Which of the following statements about the keywords in SRv6 instruction names are correct? (Select all that apply)
Answer: A,B,C
Explanation:
In Huawei ' sSRv6 instruction namingsystem, each letter keyword represents a specific forwarding behavior:
X (Cross): Forwards packets viaspecified Layer 3 interfaces##
M (MAC): SearchesLayer 2 forwarding tableforbroadcast/multicast,not unicast## V (VPN): Searches theVPN routing table (VRF)for forwarding ## T (Table): Searches aspecific routing table (e.g., user-defined)## Correct answers: A, C, D Reference:Huawei HCIE-Datacom V1.0 Study Guide -Chapter: SRv6 Instruction ModelSection: Instruction Naming Conventions and Functions
NEW QUESTION # 290
What can be determined from the following figure?
Answer: B
Explanation:
To determine R3's role (Level-1, Level-2, or Level-1-2) based on the provided output of the display ipv6 routing-table protocol isis command on R3, we need to analyze the IS-IS routing information and understand IS-IS hierarchy and behavior, particularly in the context of IPv6 routing. Let's break it down step by step:
Understanding the IS-IS Levels and Hierarchy:
IS-IS (Intermediate System to Intermediate System) is a link-state routing protocol that supports a two-level hierarchy:
Level-1: Routers within the same area, responsible for intra-area routing. Level-1 routers only maintain routing information for their area and rely on Level-1-2 routers to reach other areas.
Level-2: Routers that form the backbone, connecting different areas for inter-area routing. Level-2 routers maintain routing information across areas.
Level-1-2: Routers that operate both at Level-1 (within their area) and Level-2 (to connect to other areas). These routers act as boundary routers between Level-1 areas and the Level-2 backbone.
A router's role (Level-1, Level-2, or Level-1-2) determines which types of adjacencies it can form and what routing information it advertises or receives.
Analyzing the Output:
The output shows R3's IPv6 routing table with routes learned via IS-IS, specifically:
Destination: 2082:EDFC:DDCC::B824:0/127, Protocol: ISIS-L1
This route is learned via IS-IS Level-1 (ISIS-L1), indicating that R3 has a Level-1 adjacency and is receiving or advertising routes within its area.
The next hop (FE80::2E0:FCFF:FE45:6A3E) and interface (GigabitEthernet0/0/0) suggest this route is intra-area.
Destination: 2082:EDFC:DDCC::B891:0/127, Protocol: ISIS-L2
This route is learned via IS-IS Level-2 (ISIS-L2), indicating that R3 has a Level-2 adjacency and is receiving or advertising routes for inter-area or backbone routing.
The next hop (FE80::2E0:FCFF:FE50:406F) and interface (GigabitEthernet0/0/1) suggest this route is for a different area or the backbone.
Both Level-1 and Level-2 routes are present in R3's routing table, which provides critical insight into R3's role.
Determining R3's Role:
Level-1 Routers:
Level-1 routers only participate in Level-1 adjacencies and maintain routing information for their area. They do not have Level-2 routes or adjacencies unless connected to a Level-1-2 router. Since R3 has a Level-2 route (ISIS-L2), it cannot be exclusively a Level-1 router.
Level-2 Routers:
Level-2 routers focus on inter-area routing and typically do not maintain Level-1 routes unless they are also configured as Level-1-2. Since R3 has a Level-1 route (ISIS-L1), it cannot be exclusively a Level-2 router.
Level-1-2 Routers:
Level-1-2 routers operate both at Level-1 (for intra-area routing) and Level-2 (for inter-area routing). They can form adjacencies with both Level-1 and Level-2 neighbors and maintain both types of routes. The presence of both ISIS-L1 and ISIS-L2 routes in R3's routing table indicates that R3 is participating in both Level-1 and Level-2 adjacencies, making it a Level-1-2 router.
Evaluating Each Option:
A . R3 must be a Level-2 device.
This is incorrect because R3 has ISIS-L1 routes, indicating it is also participating in Level-1 adjacencies, which Level-2-only devices do not do. Level-2 devices focus solely on inter-area routing and do not maintain Level-1 routes.
B . The device role of R3 cannot be determined.
This is incorrect because the presence of both ISIS-L1 and ISIS-L2 routes in the routing table clearly indicates R3's role. The combination of Level-1 and Level-2 routes confirms R3 is a Level-1-2 router.
C . R3 must be a Level-1-2 device.
This is correct. The routing table shows both ISIS-L1 (Level-1) and ISIS-L2 (Level-2) routes, meaning R3 is operating as both a Level-1 and Level-2 router, which defines a Level-1-2 device.
D . R3 must be a Level-1 device.
This is incorrect because R3 has ISIS-L2 routes, indicating it is also participating in Level-2 adjacencies, which Level-1-only devices do not do. Level-1 devices only maintain intra-area routes and rely on Level-1-2 routers for inter-area reachability.
Additional Considerations:
The Flags: D in the output typically indicates a directly connected route or a route downloaded to the forwarding table, but it does not affect the determination of R3's IS-IS level.
The preference (15) and cost (20) are standard for IS-IS routes and do not impact the level determination.
In Huawei's IS-IS implementation, routers can be configured explicitly as Level-1, Level-2, or Level-1-2 using commands like isis level-1-2 under the IS-IS process. The presence of both Level-1 and Level-2 routes confirms R3's configuration as Level-1-2.
Huawei HCIE-Datacom Context:
According to Huawei HCIE-Datacom documentation, IS-IS routers can operate at different levels, and the routing table's protocol type (ISIS-L1 or ISIS-L2) indicates the level of adjacency. A router with both Level-1 and Level-2 routes is necessarily a Level-1-2 device, as it participates in both intra-area and inter-area routing.
The display ipv6 routing-table protocol isis command on Huawei devices shows routes learned via IS-IS, and the protocol type (L1 or L2) directly reflects the router's role in the IS-IS hierarchy.
Conclusion:
Based on the presence of both ISIS-L1 and ISIS-L2 routes in R3's IPv6 routing table, R3 must be a Level-1-2 device, as it is participating in both Level-1 (intra-area) and Level-2 (inter-area) adjacencies. Therefore, the correct answer is C.
References to Huawei HCIE-Datacom Documents:
Huawei HCIE-Datacom V1.0 Training Material, Chapter on IS-IS Configuration and Hierarchy.
Huawei NE Series Router Configuration Guide, IS-IS Section (Level-1, Level-2, and Level-1-2 Operations).
Huawei Technical Whitepaper on IS-IS Protocol, discussing IPv6 Routing and Level Determination.
NEW QUESTION # 291
Huawei's two switch SWA, SWB is connected together through 7 Ethernets, and static route aggregation is configured, and the corresponding ports on the switch SWA are E1/0/1, E1/02, E1/0/3, E1/0/4, E1/ 0/5, E1/0/6, E1/0/7, configured sequentially as if switch SWA, SWB Each aggregation group supports only 6 ports.
Answer: A
NEW QUESTION # 292
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