Quiz 2025 Huawei H12-821_V1.0: High Pass-Rate HCIP-Datacom-Core Technology V1.0 Practice Tests

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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) exam is a certification exam designed for professionals who want to prove their proficiency in the core technologies of data communication. H12-821_V1.0 exam is intended to assess the skills and knowledge of candidates in areas such as network architecture, protocols, technologies, and security. The Huawei H12-821_V1.0 Exam is a globally recognized certification that validates the expertise of professionals in the field of data communication.

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Huawei H12-821_V1.0: HCIP-Datacom-Core Technology V1.0 Exam is a certification exam that validates a candidate's knowledge and skills in the field of data communication. H12-821_V1.0 Exam is designed for professionals who want to enhance their careers in data communication and networking. The HCIP-Datacom-Core Technology V1.0 certification is recognized globally and is highly valued by employers.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q78-Q83):

NEW QUESTION # 78
A campus network uses OSPF for network communication. The display ospf peer command is run on a router, and the command output is as follows:
vbnet
Copy
Edit
<R2> display ospf peer
OSPF Process 1 with Router ID 10.0.2.2
Area 0.0.0.0 interface 10.0.235.2 (GigabitEthernet0/0/1)'s neighbors
Router ID: 10.0.5.5 Address: 10.0.235.5
State: Full Mode: Nbr is Master Priority: 1
DR: 10.0.235.5 BDR: 10.0.235.3 MTU: 0
Dead timer due in 40 sec
Area 0.0.0.0 interface 10.0.24.2 (Serial1/0/1)'s neighbors
Router ID: 10.0.4.4 Address: 10.0.24.4
State: Full Mode: Nbr is Master Priority: 1
DR: None BDR: None MTU: 0
Dead timer due in 35 sec
Which of the following statements are true about the device?

A. The IP address of the DR on the network where R2 and its neighbor 10.0.5.5 reside is 10.0.235.5.
B. R2 has established adjacencies with 10.0.5.5 and 10.0.4.4.
C. The DR/BDR election fails on the network where R2 and its neighbor 10.0.4.4 reside.
D. Router IDs of the two OSPF neighbors of R2 are 10.0.5.5 and 10.0.4.4.

Answer: A,B,D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
Analysis of the OSPF Neighbor State:
Router ID 10.0.5.5:
On interface 10.0.235.2 (GigabitEthernet0/0/1), the neighbor state is Full, indicating that adjacency is established.
The Designated Router (DR) is 10.0.235.5, which is the same as the neighbor's address.
Router ID 10.0.4.4:
On interface 10.0.24.2 (Serial1/0/1), the neighbor state is also Full, meaning adjacency is established.
The DR/BDR election status shows None, indicating that the interface is on a point-to-point link where DR
/BDR election does not apply.
Validation of Each Option:
Option A: Correct. The DR IP address is explicitly shown as 10.0.235.5.
Option B: Correct. The neighbor state for both 10.0.5.5 and 10.0.4.4 is Full, confirming adjacency is established.
Option C: Incorrect. DR/BDR elections are irrelevant on point-to-point links like Serial1/0/1.
Option D: Correct. The Router IDs of R2's neighbors are explicitly listed as 10.0.5.5 and 10.0.4.4.
References:
HCIA-Datacom Study Guide, Chapter: OSPF Neighbor Relationships
Huawei OSPF Neighbor and Adjacency Details

NEW QUESTION # 79
On an OSPF or IS-IS network, the filter-policy import command can be run on a router to filter out the LSAs forwarded by its neighbors.

A. FALSE
B. TRUE

Answer: A

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. Understanding LSA Filtering in OSPF and IS-IS:
* The filter-policy command is used in OSPF and IS-IS to control which routing information is imported into the local routing table or advertised to other neighbors.
* However, it cannot filter LSAs forwarded by neighbors. In OSPF and IS-IS, LSAs are always forwarded unchanged within the area to ensure all routers have a consistent link-state database.
* Filtering only affects the routes that are installed into the local routing table or advertised to other areas or neighbors.
2. Why the Statement is False:
* LSAs are forwarded without being filtered. This ensures link-state protocols maintain the same network topology view across the network.
* The filter-policy import command only controls routes that are installed into the local routing table, not the forwarding of LSAs.
3. Summary:
* The statement is FALSE because LSAs cannot be filtered by filter-policy import.

NEW QUESTION # 80
What is the correct procedure for a VLAN pool to assign terminals to VLANs.

Answer:

Explanation:

NEW QUESTION # 81
A route-policy consists of one or more nodes. What is the maximum number of nodes in a route-policy?

A. 0
B. 1
C. 2
D. 3

Answer: B

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* Route Policy Overview:
* A route-policy is a policy-based routing tool that filters and modifies routing information.
* It consists of one or more nodes, and each node can specify match conditions and apply actions to routes.
* Maximum Number of Nodes:
* The maximum number of nodes supported in a route-policy is 1024, allowing flexibility in route filtering and control.
References:
* HCIA-Datacom Study Guide, Chapter: Route-Policy Configuration
* Huawei Route-Policy Configuration Guidelines

NEW QUESTION # 82
During BGP route summarization configuration, the keyword can be used to suppress all specific routes so that only the summary route is advertised.
The summary route carries the Atomic-aggregate attribute rather than the community attributes of specific routes.

Answer:

Explanation:
suppress-spec-map
Explanation:
Understanding BGP Route Summarization:
In Border Gateway Protocol (BGP),route summarizationis a technique used to aggregate multiple specific prefixes into a broader summary prefix. This reduces the size of routing tables and improves routing efficiency.
Summarization helps to hide unnecessary details from other parts of the network while still maintaining connectivity.
HCIP-Datacom-Core Technology Training Material (BGP Route Summarization).
Suppressing Specific Routes:
When summarizing routes, thesuppress-spec-map keywordis used to suppress specific prefixes so that only the summarized route is advertised.
The suppressed routes are not advertised to BGP peers; instead, only the summary route is propagated.
Reference:HCIP-Datacom Advanced Routing & Switching Technology (BGP Attributes and Summarization Techniques).
Atomic-Aggregate Attribute:
The summary route generated during BGP route summarization carries theAtomic-aggregateattribute. This attribute indicates that the summary route might not provide the exact path information available in the original specific routes.
Additionally, when using thesuppress-spec-mapoption, the specific routes' attributes, such ascommunityattributes, are not included in the summary route.
Reference:HCIP-Datacom-Core Technology Training Material (BGP Path Attributes).
Conclusion:
Thesuppress-spec-mapkeyword is used to suppress specific routes when performing BGP summarization. The summarized route includes theAtomic-aggregateattribute but does not carry community attributes from the suppressed routes.

NEW QUESTION # 83
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Quiz 2025 Huawei H12-821_V1.0: High Pass-Rate HCIP-Datacom-Core Technology V1.0 Practice Tests

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q78-Q83):

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