Huawei HCIP-Datacom-Core Technology V1.0 : H12-821_V1.0

H12-821_V1.0 real exams

Exam Code: H12-821_V1.0

Exam Name: HCIP-Datacom-Core Technology V1.0

Updated: Aug 21, 2026

Q & A: 378 Questions and Answers

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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionObjectives
Topic 1: WLAN- Wireless Networking
  • 1. WLAN Architecture
  • 2. WLAN Deployment
  • 3. Wireless Security
Topic 2: Network Security- Security Technologies
  • 1. ACL
  • 2. AAA
  • 3. Attack Prevention
Topic 3: OSPF- OSPF Fundamentals
  • 1. OSPF Neighbor Relationship
  • 2. OSPF Area Design
  • 3. LSA and SPF Calculation
Topic 4: Network Reliability- Reliability Technologies
  • 1. BFD
  • 2. VRRP
  • 3. Redundancy Design
Topic 5: IPv6- IPv6 Fundamentals
  • 1. IPv6 Routing
  • 2. IPv4 to IPv6 Transition
  • 3. IPv6 Addressing
Topic 6: Routing and Traffic Control- Traffic Management
  • 1. Traffic Optimization
  • 2. Policy-based Routing
  • 3. Route Filtering
Topic 7: Ethernet Switching Technology- Switching Fundamentals
  • 1. VLAN
  • 2. STP/RSTP/MSTP
  • 3. Link Aggregation
Topic 8: Routing Basics- IP Routing Fundamentals
  • 1. Routing Table Principles
  • 2. Route Selection
  • 3. Static Routing
Topic 9: BGP- BGP Technologies
  • 1. BGP Route Advertisement
  • 2. BGP Path Selection
  • 3. IBGP and EBGP
Topic 10: IS-IS- IS-IS Fundamentals
  • 1. LSP and SPF Mechanism
  • 2. IS-IS Neighbor Establishment
  • 3. Level-1 and Level-2 Routing
Topic 11: Multicast- IP Multicast Technologies
  • 1. PIM
  • 2. Multicast Forwarding
  • 3. IGMP
Topic 12: Network Solutions- Enterprise Network Solutions
  • 1. Campus Network
  • 2. Datacom Architecture
  • 3. WAN Solution
Topic 13: Network Service and Management- O&M Technologies
  • 1. Telemetry
  • 2. Network Monitoring
  • 3. SNMP

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. When two BGP peers support different Hold Time, they will negotiate to support the shortest Hold Time interval they can support.

A) TRUE
B) FALSE


2. On an IS-IS network, two directly connected routers establish a neighbor relationship through the three-way handshake mechanism by default, regardless of whether the network type is P2P or broadcast.

A) TRUE
B) FALSE


3. IPv6 defines multiple types of addresses. Which of the following statements is false about these addresses?

A) Anycast addresses can be used only as destination addresses.
B) Manually configured link-local addresses have a higher priority than automatically generated ones.
C) Each interface can have multiple global unicast addresses with different network prefixes.
D) Link-local addresses can be quickly generated using the EUI-64 method.


4. An IP prefix list is a common matching tool in routing policies. When an IP prefix list is configured on a Huawei router, which of the following parameters are optional ?

A) Longest mask length to be matched
B) Index of the prefix list
C) Mask length
D) Shortest mask length to be matched


5. As shown in the figure, data traffic is forwarded in tunnel mode along the path of STA - > HAP - > HAC - > upper-layer network before roaming. What is the flow direction of data traffic after Layer 3 roaming?

A) STA - > FAP - > FAC - > HAC - > HAP - > HAC - > Upper-layer network
B) STA - > FAP - > FAC - > HAC - > HAP - > Upper-layer network
C) STA - > FAP - > FAC - > Upper-layer network
D) STA - > FAP - > FAC - > HAC - > Upper-layer network


Solutions:

Question # 1
Answer: A
Question # 2
Answer: A
Question # 3
Answer: B
Question # 4
Answer: A,B,D
Question # 5
Answer: D

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