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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: IS-IS Fundamentals8%- IS-IS configuration and deployment
- IS-IS protocol principles
Topic 2: WLAN Basics2%- WLAN technology principles
- WLAN deployment and optimization
Topic 3: Network Service and Management5%- Network management and monitoring
- DHCP and DNS services
Topic 4: Network Reliability7%- VRRP protocol
- BFD technology
- Device redundancy and link backup
Topic 5: Routing and Traffic Control10%- Policy-based routing
- Routing policy and filtering
- Route import and redistribution
Topic 6: IPv6 Technologies3%- IPv6 address structure and configuration
- IPv6 routing protocols
Topic 7: Network Solutions and Design5%- Enterprise network design principles
- Typical network architecture and solution
Topic 8: Multicast Technologies9%- PIM protocol
- Multicast basic concepts
- IGMP protocol
Topic 9: Network Security8%- AAA authentication
- Attack defense and security policy
- ACL and packet filtering
Topic 10: Ethernet Switching Technologies7%- VLAN principles and configuration
- Spanning Tree Protocol
- Link aggregation and stack technology
Topic 11: OSPF Fundamentals16%- OSPF principles and operation mechanisms
- OSPF configuration and optimization
- OSPF special applications and troubleshooting
Topic 12: Routing Basics3%- Routing concepts and classification
- Routing table composition and selection rules
Topic 13: BGP Fundamentals17%- BGP configuration and policy application
- BGP route attributes and selection
- BGP characteristics and working principles

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q259-Q264):

NEW QUESTION # 259
By default, the OSPF port cost is related to the bandwidth of the port. The calculation formula is bandwidth-reference/bandwidth. The cost is only calculated by OSPF itself and cannot be changed manually.

Answer: B


NEW QUESTION # 260
In inter-domain packet filtering, which of the following options belongs to the outbound direction?

Answer: B


NEW QUESTION # 261
From the topology shown in the figure and the configuration on the interconnection port of the switch, it can be judged that the data frame tagged with VLAN10 can be forwarded normally between the two switches.

Answer: B


NEW QUESTION # 262
When configuring an ACL on a router, you can identify the ACL by number or name. When configuring a named ACL, you need to manually specify a name and a number for the ACL.

Answer: B


NEW QUESTION # 263
There are two types of routing entries on a PIM network. (S, G) routing entries are used to set up on a PIM network and are applicable to both PIM-DM and PIM-SM networks.

Answer:

Explanation:
SPT
Explanation:
Routing Entries in PIM
(S, G) entries: Represent the shortest path tree (SPT) from a specific source (S) to a specific multicast group (G). These entries are created after data packets are transmitted directly from the source to the receivers.
(S, G) entries are used in both PIM-DM and PIM-SM modes.
PIM-DM and PIM-SM Modes
InPIM-DM, multicast traffic is initially flooded throughout the network and pruned where no receivers exist.
(S, G) entries represent source-specific paths created after the flooding stage.
InPIM-SM, multicast traffic initially flows through a shared tree, but (S, G) entries are created when the network switches to the SPT for more efficient forwarding.
HCIP-Datacom-Core Reference
The functionality and application of (S, G) routing entries are detailed in multicast and PIM configuration chapters.


NEW QUESTION # 264
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