UNPARALLELED HUAWEI LATEST H12-821_V1.0 DUMPS WITH INTERARCTIVE TEST ENGINE & THE BEST H12-821_V1.0 ACTUAL TEST PDF

Unparalleled Huawei Latest H12-821_V1.0 Dumps With Interarctive Test Engine & The Best H12-821_V1.0 Actual Test Pdf

Unparalleled Huawei Latest H12-821_V1.0 Dumps With Interarctive Test Engine & The Best H12-821_V1.0 Actual Test Pdf

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Tags: Latest H12-821_V1.0 Dumps, H12-821_V1.0 Actual Test Pdf, H12-821_V1.0 New Dumps Questions, Test H12-821_V1.0 Registration, H12-821_V1.0 Dumps Questions

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To prepare for the Huawei H12-821_V1.0 certification exam, candidates must have a solid understanding of core data communication technologies, including network protocols, network devices, network security, and network virtualization. Candidates must also have hands-on experience with Huawei data communication products and networks.

Huawei H12-821_V1.0 exam is a computer-based exam that consists of 60 questions. The candidates are given 90 minutes to complete the exam. H12-821_V1.0 Exam includes multiple-choice questions, fill in the blanks, and drag-and-drop questions. The passing score for H12-821_V1.0 exam is 60 percent, and the result is immediately displayed upon completion of the exam. H12-821_V1.0 exam fee varies depending on the region, and candidates can register for the exam online through Huawei's website.

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H12-821_V1.0 Actual Test Pdf & H12-821_V1.0 New Dumps Questions

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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 (Q245-Q250):

NEW QUESTION # 245
In BGP, Keepalive messages are used to maintain BGP peer relationships. When a BGP router receives a Keepalive message from a peer, the BGP router sets the state of the peer to Established and periodically sends Keepalive messages to maintain the connection. By default, the device sends Keepalive messages every seconds.

Answer:

Explanation:
60
Explanation:
BGP Keepalive Message Behavior
* Keepalive messages are used to maintain the Established state of a BGP peer relationship.
* The Keepalive timer determines the frequency of these messages and defaults to 60 seconds, as per the BGP specification.
HCIP-Datacom-Core Reference
* The Keepalive timer default value is covered in the BGP configuration and operational principles.


NEW QUESTION # 246
On the OSPF network shown in the figure, an adjacency has been established between R1 and R2. An engineer configures the commands in the figure on R2. In this case, which of the following routing entries may exist in the routing table of R2?

  • A. 10.1.2.0/24
  • B. 10.1.1.0/24
  • C. 10.1.3.0/24
  • D. 10.1.4.0/24

Answer: A,C,D

Explanation:
Configuration Analysis:
* On R2, the following configuration has been applied:
acl 200
rule deny source 10.1.0.0 0.0.3.0
rule permit
#
ospf 1
filter-policy 2000 import
* This configuration uses ACL 200 to filter routes during import into the OSPF routing table on R2.
* Rule deny source 10.1.0.0 0.0.3.0: Blocks routes in the range 10.1.0.0/24 to 10.1.3.0/24 (inclusive).
* Rule permit: Allows all other routes to be imported.
* Impact of ACL 200 on Route Import:
* 10.1.0.0/24 to 10.1.3.0/24: These subnets are explicitly denied by ACL 200 and will not appear in R2's routing table.
* 10.1.4.0/24 and beyond: These subnets are permitted by the rule permit statement and will be imported into R2's routing table.
* Routing Table Entries on R2:
* Option A (10.1.4.0/24): Exists in R2's routing table because it is permitted.
* Option B (10.1.3.0/24): Does not exist because it is denied by ACL 200.
* Option C (10.1.2.0/24): Does not exist because it is denied by ACL 200.
* Option D (10.1.1.0/24): Does not exist because it is denied by ACL 200.
* A (10.1.4.0/24)
Correct Options:References:
* HCIA-Datacom Study Guide, Chapter: OSPF Route Filtering
* Huawei ACL Configuration for Route Policies


NEW QUESTION # 247
After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?

  • A. The interval at which an IS-IS interface sends IIH packets is changed.
  • B. The IP address of an ISIS interface is changed.
  • C. The level of an ISIS interface is changed.
  • D. The cost of an IS-IS interface is changed.

Answer: C


NEW QUESTION # 248
Typically, a protocol that occupies two ports during communication is called a multi-channel protocol. For such protocols, the ASPF function must be enabled on the firewall to ensure smooth setup of the data channel and reduce the risk of attacks. Which of the following protocols is not a multi-channel protocol?

  • A. SIP
  • B. H.323
  • C. SMTP
  • D. FTP

Answer: C

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
Multi-Channel Protocols:
Multi-channel protocols use separate channels for control and data communication, requiring application- specific packet filtering (ASPF) to track sessions.
Examples:
FTP (A):Uses separate control and data channels.
SIP (B):Uses multiple ports for signaling and media.
H.323 (D):A VoIP protocol using multiple channels.
Single-Channel Protocol:
SMTP (C):A single-channel protocol for email communication, which does not require ASPF.
References:
HCIA-Datacom Study Guide, Chapter: Firewall ASPF Configuration
Huawei Multi-Channel Protocol Handling


NEW QUESTION # 249
After HSB is configured, the HSB channel fails to be established and cannot back up information on the active device to the standby device. What are the possible causes for this HSB function failure?

  • A. The TCP channel is not established.
  • B. The source IP address and port number of the local end are different from the destination IP address and port number of the remote end.
  • C. The two ACs have the same priority.
  • D. The retransmission count and interval for HSB service packets are different on the two devices.

Answer: A,B,D

Explanation:
High-availability Stateful Backup (HSB) ensures synchronization between active and standby devices. If the HSB channel fails to establish, the following causes are possible:
* TCP channel not established: The HSB channel relies on a TCP connection. If the TCP session cannot be established, the backup process cannot start.
* Mismatched retransmission settings: If the retransmission count and interval for HSB service packets are inconsistent between the two devices, the synchronization process fails.
* Incorrect source and destination configurations: If the source IP address and port number on one device do not match the destination IP address and port number on the other, the channel cannot be established.
Option C is incorrect because the priority of the two ACs affects active/standby roles but does not directly impact HSB channel establishment .


NEW QUESTION # 250
......

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