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We strongly recommend using our H12-821_V1.0 exam dumps to prepare for the Huawei H12-821_V1.0 certification. It is the best way to ensure success. With our Huawei H12-821_V1.0 Practice Questions, you can get the most out of your studying and maximize your chances of passing your HCIP-Datacom-Core Technology V1.0 (H12-821_V1.0) exam.

Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) certification exam is a valuable certification for network engineers and IT professionals who want to deepen their knowledge in datacom core network technologies. Passing H12-821_V1.0 exam demonstrates the candidate's expertise in designing, deploying, and managing complex datacom core networks using Huawei technologies.

The HCIP-Datacom-Core Technology V1.0 exam covers a wide range of topics, which include the OSI model, TCP/IP protocols, routing and switching technologies, network security, and virtualization technologies. H12-821_V1.0 Exam also focuses on Huawei's data communication products and solutions, such as routers, switches, and firewalls, among others. H12-821_V1.0 exam is an essential certification for professionals who want to advance their careers in data communication technology.

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Huawei H12-821_V1.0 Online Practice Test (Huawei-H12-821_V1.0-Practice-Test)

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q50-Q55):

NEW QUESTION # 50
Both MQC and PBR can be applied on device interfaces to filter received and sent packets or control packet forwarding paths.

Answer: A

Explanation:
MQC and PBR
* MQC (Modular QoS Command-Line Interface): Applied to interfaces for classifying and controlling traffic.
* PBR (Policy-Based Routing): Used to influence packet forwarding based on policies rather than traditional routing tables.
* Both MQC and PBR can be configured on device interfaces to filter incoming/outgoing packets or control their forwarding paths.
HCIP-Datacom-Core Reference
* The use of MQC and PBR on device interfaces is elaborated in the QoS and routing control chapters.


NEW QUESTION # 51
BGP is generally applied to complex networks where routes change frequently. Frequent route flapping consumes a large number of bandwidth and CPU resources, and even affects the normal operation of the network. This is an unavoidable problem that cannot be solved in BGP.

Answer: A

Explanation:
BGP Route Flapping and Mitigation
* While route flapping is a concern in large-scale networks, BGP employs mechanisms such as Route Dampening to mitigate its impact. Route dampening suppresses frequently flapping routes for a period of time to reduce resource consumption and network instability.
* Therefore, it is incorrect to state that the issue cannot be resolved in BGP.
HCIP-Datacom-Core Reference
* The mechanism of route dampening is detailed in the BGP optimization chapters.


NEW QUESTION # 52
On an OSPF network, OSPF routers exchange LSAs to synchronize their LSDBs. If an OSPF router receives an LSA that does not exist in its LSDB, it updates its LSDB and floods the LSA.

Answer: A

Explanation:
In OSPF (Open Shortest Path First), each router maintains aLink-State Database (LSDB), which must be synchronized with other routers in the same area. When an OSPF router receives anLSA (Link-State Advertisement)that it doesnot already have in its LSDB, it takes the following steps:
It updates its LSDB with the new LSA.
It floods the LSA to all its other OSPF neighbors (except the one from which it received the LSA).
This ensures that all routers in the OSPF area eventually converge to the same network topology.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"When an LSA is received and it is newer or not present in the LSDB, the router updates the LSDB and floods the LSA to other neighbors to ensure database synchronization." (Chapter: OSPF Fundamentals - Section: LSDB Synchronization)


NEW QUESTION # 53
RPF has the function of preventing loops in multicast.

Answer: A


NEW QUESTION # 54
A large enterprise deploys WLAN in VRRP HSB mode to ensure network reliability.
In this networking mode, which of the following data backup modes are supported?(Select all that apply)

Answer: A,D

Explanation:
InVRRP HSB (Hot Standby Backup)mode for WLAN deployments (typically between ACs or access controllers),backup of critical dataensures fast failover and minimal service disruption.
A: Real-time backup- Supported. Configuration and session information are synchronized in real-time between the active and standby ACs.
B: Scheduled synchronization-Not supported. HSB requires instant synchronization, not based on a scheduled time.
C: Batch backup- Supported. Some types of less time-sensitive data (e.g., logs or counters) may be backed up in batches.
D: Cloud backup-Not part of HSB functionality. Cloud backup is a separate mechanism, typically used for archival purposes, not real-time failover.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"VRRP HSB mode supports real-time and batch backup between ACs to protect WLAN services. Scheduled and cloud backups are not part of HSB functionality." (Chapter: WLAN Reliability - Section: AC Redundancy and HSB Mechanism)


NEW QUESTION # 55
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