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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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Valid and Reliable H12-821_V1.0 Exam Questions [2026]

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q353-Q358):

NEW QUESTION # 353
Which of the following statements is false, based on the following IGMP information on an interface of RTA?
XC

Answer: C

Explanation:
The information provided indicates that the configured query interval is 60 seconds, which applies to general queries. Group-specific queries are sent at a shorter interval, usually derived from the maximum response time. Therefore, the statement about a 60-second interval for group-specific queries is false. Other statements regarding maximum response time (10s), IP address, and IGMP version (V2) are correct .


NEW QUESTION # 354
On Huawei equipment, which of the following commands can realize the linkage between BFD and the static default route?

Answer: A


NEW QUESTION # 355
Regarding the description of BCP message types and message characteristics, which is wrong?

Answer: A


NEW QUESTION # 356
An enterprise network runs OSPF to implement network communication. Which of the following types of LSAs may be generated by an ABR?

Answer: A,B,D

Explanation:
Comprehensive and Detailed in-depth Step-by-Step Explanation:
An Area Border Router (ABR) is an OSPF router that connects multiple areas, including the backbone area (Area 0). It plays a critical role in summarizing and propagating routing information between areas. The types of LSAs that an ABR can generate include:
* Network Summary LSA (Type 3):
* ABRs generate Type 3 LSAs to summarize and propagate routes from one area into another.
* For example, an ABR generates a Type 3 LSA to inform other areas about the networks in the area it is connected to.
* ASBR Summary LSA (Type 4):
* If an ASBR exists in one of the OSPF areas connected to the ABR, the ABR generates Type 4 LSAs.
* These LSAs provide information about how to reach the ASBR.
* NSSA LSA (Type 7):
* If the ABR is connected to a Not-So-Stubby Area (NSSA), it can generate Type 7 LSAs.
* These LSAs are used to describe external routes imported into the NSSA.
* AS External LSA (Type 5):
* These LSAs are not typically generated by an ABR unless the ABR is also functioning as an ASBR. Type 5 LSAs are used to describe external routes imported into OSPF from other autonomous systems.
Therefore, NSSA LSA (A), Network Summary LSA (C), and ASBR Summary LSA (D) are valid answers.
AS External LSA (B) would only be correct if the ABR were also functioning as an ASBR, but that is not explicitly stated in the question.
References:
Huawei HCIA-Datacom Study Guide, Chapter on "OSPF LSAs and ABR Functions".
RFC 2328 - OSPF Version 2.


NEW QUESTION # 357
Which of the following attributes must be carried when BGP sends route update messages?

Answer: A,D

Explanation:
* Mandatory BGP Attributes
* Next_Hop: Specifies the next hop to reach the destination.
* AS_Path: Lists the autonomous systems traversed, crucial for loop prevention and route selection.
* Optional Attributes
* MED (Multi-Exit Discriminator) and Local_Preference are optional attributes that aid in route preference but are not mandatory.
* HCIP-Datacom-Core Reference
* BGP attribute behavior and classifications are detailed in BGP path selection principles.


NEW QUESTION # 358
......

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