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Huawei H12-821_V1.0 Exam Questions Preparation Material By Dumpcollection

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Huawei H12-821_V1.0 Exam consists of multiple-choice questions and is designed to be completed within a set time limit. Candidates who successfully pass the exam are awarded the HCIP-Datacom-Core Technology V1.0 certification, which is recognized by leading companies in the data communication industry.

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Huawei H12-821_V1.0 is a certification exam that validates the skills and knowledge of individuals seeking a career in the field of data communication. H12-821_V1.0 exam is designed to assess the candidate's understanding of core data communication technologies and their ability to design and deploy data communication networks using Huawei products.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q79-Q84):

NEW QUESTION # 79
The figure shows the VRRP status switchover events. Match these events with their sequence numbers.

Answer:

Explanation:

Explanation:
1 # A Startup message with a priority of 255 is received.2 # A Startup message with a priority less than 255 is received.3 # A Shutdown message is received.4 # The Master_Down timer expires, an Advertisement packet with the priority of 0 is received, or a packet with a priority lower than the local priority is received.5 # A packet with a priority higher than the local priority is received.6 # A Shutdown message is received.
# Reference: Huawei HCIA-Datacom Study Guide, VRRP Status Transitions.

NEW QUESTION # 80
Route summarization can effectively reduce the number of BGP routes. However, many parameters need to be properly set when configuring BGP route summarization. Otherwise, problems such as routing loops may occur.
Which of the following statements is false about BGP route summarization?

A. If the aggregate command is run on a device, the device advertises both specific and summary routes.
B. If the aggregate command with suppress-policy specified is run on a device, the device advertises only the specific routes that match the given routing policy.
C. If the summary automatic command is run on a device, the device summarizes subnet routes based on natural network segments.
D. If the aggregate command with detail-suppressed specified is run on a device, the device advertises only the summary route.

Answer: A

Explanation:
Option B isfalse. By default, when the aggregate command is usedwithout any options, BGP generates asummary route, andsuppresses the specific routesthat fall under that summary. To advertise both specific and summary routes, you mustexplicitly configurethe detail-suppressed option to control whether specifics are suppressed or not.
Explanation of the other options:
Ais correct: When suppress-policy is specified, only specific routes matching the policy are advertised; others are suppressed.
Cis correct: The summary automatic command causes summarization based on classful boundaries, which is a legacy behavior.
Dis correct: With detail-suppressed, only the summary route is advertised, not specific prefixes.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"The aggregate command suppresses specific routes by default unless explicitly configured otherwise. Use of suppress-policy or detail-suppressed allows control over which routes are advertised." (Chapter: BGP Advanced Features - Section: Route Aggregation)

NEW QUESTION # 81
Access control lists can be classified into which types as follows?

A. Advanced ACL
B. Layer 2 ACL
C. Basic ACL
D. User-defined ACL

Answer: A,B,C

Explanation:
Access Control Lists (ACLs) can be classified into several types, including Basic ACL (filters based on source IP), Advanced ACL (filters based on multiple parameters like source and destination IP, protocol, and ports), and Layer 2 ACL (filters based on MAC addresses). User-defined ACLs are not a standard classification .

NEW QUESTION # 82
See the network shown in the following figure.

R1 and R2 run IS-IS and establish an adjacency. IS-IS is enabled on Loopback0 of R2 but disabled on Loopback3 of R2. The configurations shown in the figure are performed in the IS-IS process of R2. Which of the following statements are true?

A. The routing table of R1 does not contain the route 10.0.2.3/32.
B. The routing table of R1 does not contain the routes 10.0.2.2/32 and 10.0.2.3/32.
C. The routing table of R1 contains the route 10.0.2.3/32.
D. The routing table of R1 contains the route 10.0.2.2/32.

Answer: A,D

Explanation:
In the provided configuration, IS-IS is enabled on Loopback0 but not on Loopback3 of R2. As a result, R2 will advertise the route 10.0.2.2/32 (from Loopback0) to R1 through IS-IS. However, the route 10.0.2.3/32 will not be advertised because IS-IS is not enabled on that loopback interface. The import-route direct command does not override this behavior .

NEW QUESTION # 83
Which of the following statements regarding the summary automatic command and BGP route summarization is false?

A. After this command is configured, BGP summarizes routes based on natural network segments
B. This command enables automatic summarization for the locally imported routes
C. After this command is configured, BGP sends only the summarized routes to peers
D. This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization

Answer: D

Explanation:
The summary automatic command in BGP is used to enable automatic summarization of routes, particularly for classful networks. However, manual summarization takes precedence over automatic summarization when both are configured. This makes the statement claiming automatic summarization takes precedence false .

NEW QUESTION # 84
......

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