H12-821_V1.0 Certification Exam, Test H12-821_V1.0 Study Guide

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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) Certification Exam is designed to test the knowledge and skills of professionals in the field of data communication. It is a certification that is highly valued in the industry and is recognized globally. HCIP-Datacom-Core Technology V1.0 certification exam covers a wide range of topics, including network architecture, technologies, protocols, and security.

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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) Certification Exam is an industry-recognized certification that validates the skills and knowledge of professionals in the field of data communication. H12-821_V1.0 Exam is designed to test the candidate's ability to install, configure, and troubleshoot data communication networks using Huawei's core technology.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q181-Q186):

NEW QUESTION # 181
On the OSPF network shown in the figure, R1, R2, and R3 run OSPF, and R1 advertises four VPN routes to OSPF. A filter-policy needs to achieve the following goal: R1 ' s and R3 ' s routing tables contain the routes to
192.168.3.0/24, but R2 ' s routing table does not. Which of the following filter-policies cannot meet this requirement?

Answer: B

Explanation:
Goal Analysis:
Requirement:
The route to 192.168.3.0/24 must exist in R1 ' s and R3 ' s routing tables.
The route must not exist in R2 ' s routing table.
This requires filtering to ensure the route is either:
Blocked on R2 ' s routing table (via filtering on R2), or
Blocked before it is advertised to R2.
Analysis of Each Option:
Option A (Filter-policy on R2 for filtering received routes):
Applying a filter-policy on R2 to filter received routes will block the route from entering R2 ' s routing table but still allow it to propagate to R3.
This meets the requirement.
Option B (Filter-policy on R2 for filtering the routes to be advertised):
Blocking the advertisement of routes from R2 to other routers does not affect the routes received by R2 itself.
This does not meet the requirement but does not affect the propagation to R3.
This is valid if the received route is blocked.
Option C (Filter-policy on R1 for filtering the routes to be imported):
If the route is filtered on R1 during the import phase, the route will not exist in R1's routing table and thus cannot be advertised to either R2 or R3.
This fails to meet the requirement because the route must exist in R1 ' s and R3 ' s routing tables.
Option D (Filter-policy on R1 for filtering the imported routes to be advertised):
Filtering routes on R1 before advertising to R2 will prevent R2 from receiving the route but allow R1 to advertise the route to R3.
This meets the requirement.
Correct Option:
C (Filter-policy on R1 for filtering the routes to be imported): This will prevent the route from existing in both R1 and R3, violating the stated requirement.
References:
HCIA-Datacom Study Guide, Chapter: OSPF Route Filtering
Huawei OSPF Configuration and Filtering Methods


NEW QUESTION # 182
Which of the following parameters cannot be modified by the apply command of Route-Policy?

Answer: B


NEW QUESTION # 183
A company purchased a new network device.
As a network administrator, what method is usually used to configure the device for the first time?

Answer: A


NEW QUESTION # 184
Which three transmission modes are supported for IPv4 packets?

Answer: A,B,C

Explanation:
IPv4 supports three main transmission modes:
Unicast: One-to-one communication.
Broadcast: One-to-all communication within a network.
Multicast: One-to-many communication to a group of interested receivers.
Anycast is not a native IPv4 mode but is introduced in IPv6.


NEW QUESTION # 185
As shown in the figure, all routers run IS-IS. R3 is a Level-1 router, R6 is a Level1-2 router, and other routers are Level-1-2 routers.

What are the types of neighbor relationships between routers?

Answer:

Explanation:


NEW QUESTION # 186
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