- Exam Code: H12-821_V1.0
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Updated: Sep 04, 2026
- Q & A: 378 Questions and Answers
Ask anyone who has retaken the Huawei HCIP-Datacom-Core Technology V1.0 exam and they will tell you the second registration fee stings more than the first. Actual4Dumps exists to make your first H12-821_V1.0 attempt the only one, with 378 practice questions that leave little to chance.
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Core Technology V1.0 |
| Exam Number: | H12-821_V1.0 |
| Exam Price: | 300 USD |
| Exam Duration: | 90 minutes |
| Exam Format: | Single-choice, Multiple-choice, Fill-in-the-blank, Drag-and-drop, True/false |
| Related Certifications: | HCIP-Datacom-Advanced Routing & Switching Technology V1.0 HCIA-Datacom |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 600/1000 |
| Available Languages: | Chinese, Japanese, English |
| Recommended Training: | Huawei Official HCIP-Datacom Training |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite testing at Pearson VUE centers |
| Pre Condition: | Recommended to have HCIA-Datacom certification or equivalent knowledge and 1–2 years of network engineering experience |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification/exam/h12-821_v1.0 |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Reliability | 7% | - Device redundancy and link backup - BFD technology - VRRP protocol |
| Topic 2: Network Solutions and Design | 5% | - Typical network architecture and solution - Enterprise network design principles |
| Topic 3: Routing Basics | 3% | - Routing concepts and classification - Routing table composition and selection rules |
| Topic 4: IS-IS Fundamentals | 8% | - IS-IS protocol principles - IS-IS configuration and deployment |
| Topic 5: IPv6 Technologies | 3% | - IPv6 routing protocols - IPv6 address structure and configuration |
| Topic 6: WLAN Basics | 2% | - WLAN deployment and optimization - WLAN technology principles |
| Topic 7: Network Security | 8% | - AAA authentication - Attack defense and security policy - ACL and packet filtering |
| Topic 8: OSPF Fundamentals | 16% | - OSPF configuration and optimization - OSPF principles and operation mechanisms - OSPF special applications and troubleshooting |
| Topic 9: Multicast Technologies | 9% | - IGMP protocol - PIM protocol - Multicast basic concepts |
| Topic 10: Routing and Traffic Control | 10% | - Policy-based routing - Route import and redistribution - Routing policy and filtering |
| Topic 11: Ethernet Switching Technologies | 7% | - Spanning Tree Protocol - Link aggregation and stack technology - VLAN principles and configuration |
| Topic 12: BGP Fundamentals | 17% | - BGP configuration and policy application - BGP characteristics and working principles - BGP route attributes and selection |
| Topic 13: Network Service and Management | 5% | - DHCP and DNS services - Network management and monitoring |
Huawei HCIP-Datacom-Core Technology V1.0 is an official certification exam from Huawei, identified by the exam code H12-821_V1.0. Pass it and you hold the HCIP-Datacom-Core Technology V1.0 certification, which sits at the Professional level. It also feeds into related credentials, including HCIP-Datacom-Advanced Routing & Switching Technology V1.0, HCIA-Datacom. In practical terms, this certification tells employers your skills have been measured against the vendor's own standard, which is why certified candidates tend to stand out in hiring and promotion decisions.
Expect 60 questions within 90 minutes on the Huawei HCIP-Datacom-Core Technology V1.0 exam. Numbers aside, the real challenge is rhythm: lingering too long on one item quietly steals time from three others. Build the habit of answering, flagging, and moving on, then rehearse the full experience under a countdown with the Actual4Dumps test engine until finishing comfortably early becomes your norm.
Registration for Huawei HCIP-Datacom-Core Technology V1.0 officially runs 300 USD, with 600/1000 required to pass. Worth knowing before you book: retakes are billed at the same full 300 USD, so a failed attempt doubles your spend. The smarter sequence is to measure yourself first. When your scores on the Actual4Dumps practice tests clear the passing line with room to spare, consistently, that is your signal to schedule the real thing.
Recommended to have HCIA-Datacom certification or equivalent knowledge and 1–2 years of network engineering experience
Because vendors update their policies without much fanfare, verify the latest entry requirements before you book using the official exam page.
Booking for the Huawei HCIP-Datacom-Core Technology V1.0 exam goes through the vendor's official registration channels.
When you choose your slot, note that the exam is delivered Online proctored or onsite testing at Pearson VUE centers.
Huawei lists the following recommended training for Huawei HCIP-Datacom-Core Technology V1.0 candidates.
Courses teach the concepts; repetition makes them exam-ready. Round out whichever training you pick with the 378 practice questions from Actual4Dumps, and each topic stops being theory and starts being points.
Yes, and we encourage it. Download the free PDF demo of the Huawei HCIP-Datacom-Core Technology V1.0 questions from Actual4Dumps and evaluate the quality on your own terms. After you buy, every update for the next 365 days is free, and when that window closes you can extend your update service at half price.
A 100% money-back guarantee applies, governed by clear conditions. If you sit the Huawei HCIP-Datacom-Core Technology V1.0 exam within 60 days of purchase and fail, you can claim a full refund, as long as the exam corresponds to your product. Attempts made within 3 days of purchase are ineligible, as are products you downloaded but never used, free materials, and expired orders; the name on the exam record must match the payer's name. File your claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is settled within 7 days. Rather have a replacement than a refund? You may exchange for two other exam products of equal value, free, and your original product keeps its update service.
Delivery is essentially instantaneous: files unlock for download at payment and arrive in your email within one minute. Some vendors make you wait a day; if 2 hours pass here without delivery, check spam and contact customer service. Install on as many computers as you like, with no restrictions.
The Huawei HCIP-Datacom-Core Technology V1.0 blueprint spans 13 domains. The ones carrying the most weight include IS-IS Fundamentals (8%), Network Service and Management (5%), and Ethernet Switching Technologies (7%). The complete domain-by-domain breakdown is in the exam topics section above; treat it as your master checklist and let the weights tell you where your study hours earn the most.
Question 1
On an OSPF network, if two directly connected routers with the same router ID run in the same area, the master/slave relationship cannot be determined for DD packets.
A. TRUE
B. FALSE
Question 2
Which of the following statements regarding the BGP error display of a router false?
A. The error occurred at 12:40:39 on March 22, 2010.
B. The neighbor address of this router is 10.1.1.5.
C. Error Type indicates that the BGP error is caused by the neighbor relationship error.
D. The error may be caused by the incorrect neighbor address.
Question 3
STP ensures a loop-free network but has a slow network topology convergence speed, affecting communication quality. RSTP has made some improvements based on STP. Which of the following improvements is not included?
A. RSTP deletes three port states and adds two port roles.
B. The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello timer, which is performed independently by each device.
C. If a port does not receive configuration BPDUs from the upstream device within four Hello intervals, the switch considers that the negotiation with the neighbor fails.
D. RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.
Question 4
IPv6 defines multiple types of addresses. Which of the following statements is false about these addresses?
A. Manually configured link-local addresses have a higher priority than automatically generated ones.
B. Link-local addresses can be quickly generated using the EUI-64 method.
C. Anycast addresses can be used only as destination addresses.
D. Each interface can have multiple global unicast addresses with different network prefixes.
Question 5
Which of the following statements regarding multicast MAC addresses are false?
A. One multicast MAC address maps to 32 multicast IP addresses.
B. The high 24 bits of the multicast MAC address are 0x01005E, the 25th bit is fixed to 1, and the lower
23 bits of the MAC address map to the lower 23 bits of the multicast IP address.
C. One multicast MAC address maps to only one multicast IP address.
D. A multicast MAC address identifies receivers of a multicast group on the data link layer.
Solutions:
| Question 1 Answer: A | Question 2 Answer: D | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: C |
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