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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: OSPF16%- OSPF areas and LSDB
- OSPF core concepts
Topic 2: Routing and Traffic Control10%- Traffic engineering basics
- Policy-based routing
Topic 3: Network Security9%- ACL and basic security mechanisms
Topic 4: Large-scale WLAN Architecture6%- Enterprise WLAN deployment basics
Topic 5: Network Reliability8%- Redundancy and failover mechanisms
Topic 6: IS-IS8%- IS-IS protocol fundamentals
Topic 7: Network Solution2%- Integrated network design scenarios
Topic 8: IPv63%- IPv6 addressing and routing
Topic 9: Multicast9%- IGMP and PIM concepts
Topic 10: BGP17%- BGP policy and attributes
- BGP path selection
Topic 11: Network Service and Management2%- Network management basics
Topic 12: Routing Fundamentals3%- Network basics and routing principles
Topic 13: Switching Technologies7%- VLAN and STP fundamentals

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q149-Q154):

NEW QUESTION # 149
Which of the following events will cause IS-IS to generate a new LSP? (Multiple choice)

Answer: A,B,C,D


NEW QUESTION # 150
_____ refers to a collection of devices that are managed by the same organization and use a unified routing strategy.

Answer:

Explanation:
AS


NEW QUESTION # 151
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?

Answer: D

Explanation:
After Layer 3 roaming, the STA's traffic is forwarded from the Foreign AP (FAP) to the Foreign AC (FAC), and then to the Home AC (HAC) before reaching the upper-layer network. This ensures that the STA remains on the same subnet without breaking existing sessions .


NEW QUESTION # 152
In an MST region, MSTP independently calculates an MSTI for each VLAN based on mappings between VLANs and MSTIs.
Which of the following statements is false about the characteristics of MSTIs?

Answer: B

Explanation:
A is false- Ports in MSTP can havedifferent roles and statesin different MSTIs. Each MSTI can independently elect a root and compute its own topology, which results indifferent port states per MSTI.
B is true- MSTIs use thesame spanning tree algorithm as STP (and RSTP)for calculating the spanning tree topology.
C is true- Each MSTI may have adifferent root bridgeand separate topology, depending on VLAN mappings.
D is true- MSTIs do not independently send BPDUs;only MSTI 0 (CIST)actually sends BPDUs, and information about other MSTIs is encapsulated within it. So thestatement is worded to test conceptual understanding, but not incorrect in MSTP context as framed.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"MSTP allows different MSTIs to have different topologies. A port may be forwarding in MSTI 1 but blocking in MSTI 2. This independence improves VLAN-based traffic engineering." (Chapter: MSTP Concepts - Section: MSTI Behavior and Port Roles)


NEW QUESTION # 153
The configuration of the two routers is shown in the figure, and they can establish OSPF adjacency.

Answer: A


NEW QUESTION # 154
......

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