Questions for the Huawei H12-821_V1.0 Exam - 100% Refund Policy

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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q214-Q219):

NEW QUESTION # 214
The figure shows an inter-AS multicast network. Which of the following protocols will be applied to this network architecture?

Answer: A


NEW QUESTION # 215
As shown in the figure, it is part of the output information of the router RTD.

In the following description of the output information, which option is correct?

Answer: B


NEW QUESTION # 216
A local router runs IS-IS and its command output is shown in the following figure. Which of the following statements is true?

Answer: B

Explanation:
From the command output, the interface S4/0/0 has its cost value explicitly listed under the Cost section as 20 for Level-1 circuits. This means that all traffic routed through this interface will incur this cost in the IS-IS metric calculation. The other options (such as circuit level and IPv6 support) are either not correct or not supported by the provided output .


NEW QUESTION # 217
Huawei's CloudCampus solution supports the business mobility function, which can be configured through graphical policies to enable users to access it anytime and anywhere.

Answer: A


NEW QUESTION # 218
On a WLAN, engineers can use the VLAN pool mechanism to assign access users to different VLANs, which helps reduce the number of broadcast domains and improve network performance. VLAN pools support two VLAN assignment algorithms: even and hash. Drag the advantages and disadvantages to the two algorithms.
(Token is reusable)

Answer:

Explanation:

Explanation of VLAN Pool Assignment Algorithms:
In WLANs, VLAN pools help reduce broadcast domains and improve network performance by distributing users across multiple VLANs. Two algorithms are used for VLAN assignment:
Even Assignment Algorithm:
* The number of users in each VLAN is even.
* This algorithm assigns users evenly across VLANs, ensuring a balanced distribution of users in each VLAN.
* When STAs go offline and online again, their VLANs and IP addresses may easily change.
* Since the assignment is based on maintaining even distribution, a device (STA) may not be assigned the same VLAN when it reconnects, leading to potential IP address changes.
Hash Assignment Algorithm:
* The number of users in each VLAN is uneven.
* The hash algorithm assigns users to VLANs based on a hash value (e.g., derived from the MAC address). This may result in an uneven distribution of users across VLANs.
* VLANs and IP addresses remain unchanged for STAs that go offline and online again.
* The hash algorithm ensures that a device reconnects to the same VLAN, preserving its IP address.
A screenshot of a computer Description automatically generated


NEW QUESTION # 219
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