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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 (Written Exam) |
| Exam Number: | H12-891_V1.0 |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 60-70 |
| Related Certifications: | HCIE-Datacom V1.0 (Lab Exam) H12-892_V1.0 HCIP-Datacom-Core Technology |
| Passing Score: | 600/1000 |
| Exam Format: | True/false, Multiple-choice, Drag-and-drop, Single-choice, Fill-in-the-blank |
| Available Languages: | Chinese, English |
| Exam Price: | 300 USD |
| Exam Duration: | 90 minutes |
| Recommended Training: | Huawei Official Training - HCIE-Datacom V1.0 |
| Exam Registration: | Huawei Talent Official Pearson VUE |
| 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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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Exam is a rigorous and challenging certification exam that requires extensive preparation and hands-on experience. H12-891_V1.0 exam consists of both written and practical components, and the candidate must pass both parts to obtain the certification. The written exam covers theoretical concepts and principles, while the practical exam evaluates the candidate's ability to apply their knowledge in real-world scenarios.
Huawei H12-891_V1.0 Exam covers a range of topics related to data communication, including network architecture, network security, network virtualization, and network management. H12-891_V1.0 exam is designed to test the candidate's ability to design, implement, and troubleshoot complex data communication networks using Huawei products and solutions. H12-891_V1.0 exam is divided into three parts: written exam, lab exam, and interview.
NEW QUESTION # 93
The router connects two EBGP neighbors through two parallel Serial cables, what do you do to achieve bidirectional negative sharing between two EBGP neighbors connected by these two parallel Serial cables? ( Single choice questions).
Answer: D
NEW QUESTION # 94
There is an existing router running OSPF connected to Zone 0 and Zone 1 You configured Zone 1 as a stub zone, what classes does LSA that only operates inside Zone 1 include?
Answer: E
NEW QUESTION # 95
IPsec SAs can be established in either manual mode or IKE auto-negotiation mode. Which of the following statements about the two modes is incorrect?
Answer: B
Explanation:
Understanding IPsec SA (Security Association) Establishment
#IPsec (IP Security) provides encrypted communicationover IP networks.
#Security Associations (SAs) define encryption, authentication, and key parameters for IPsec tunnels.
Two IPsec SA Modes:
1##Manual Mode:
All parameters (keys, encryption methods, authentication settings) must be manually configured.
Keys do not change automatically, making it less secure.
2##IKE (Internet Key Exchange) Auto-Negotiation Mode:
UsesIKE Phase 1 and Phase 2to automaticallynegotiate, generate, and exchange keys.
Keys are periodically refreshed, increasing security.
UsesDiffie-Hellman (DH) key exchangefor secure key generation.
Why is Answer D Incorrect?
#D. SAs established in both manual and IKE auto-negotiation modes can be dynamically updated.
Incorrect:Inmanual mode, the IPsec SA isstaticand does not support dynamic updates.
Correct behavior:OnlyIKE auto-negotiation modesupportsdynamic re-keying and SA updates.
#Reference:Huawei HCIE-Datacom Guide - IPsec SA Modes and IKE Negotiation
NEW QUESTION # 96
As shown in the figure, SWA, SWB runs the PSTP protocol, and Cost of Path remains the default without modification, so the following statement is correct
Answer: A
NEW QUESTION # 97
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:
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)enforcessecurity policies before allowing devices onto the network.
# Different types of devices requiredifferent authentication methodsbased oncapabilities 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).
Requiressupplicant software (e.g., Windows or macOS built-in 802.1X client).
Providesstrong 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).
UsesMAC addresses as identity credentials.
Suitable forVoIP 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 aweb-based login pagebefore granting access.
Used inpublic 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.).
Ensureshigh 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:Ensuresonly authorized users and devices access the corporate network.
Campus & Hotel Wi-Fi Security:UsesPortal Authentication for guests, 802.1X for employees, and MAC- based for VoIP.
#Reference:Huawei HCIE-Datacom Guide - NAC Authentication Methods & Best Practices
NEW QUESTION # 98
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