HOW CAN HUAWEI H12-821_V1.0 EXAM QUESTIONS HELP YOU IN EXAM PREPARATION?

How Can Huawei H12-821_V1.0 Exam Questions Help You in Exam Preparation?

How Can Huawei H12-821_V1.0 Exam Questions Help You in Exam Preparation?

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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) Certification Exam is a comprehensive exam that tests the knowledge and skills of IT professionals in data communication technologies. It is an internationally recognized certification that is highly valued by employers around the world. Individuals who hold this certification are more likely to be considered for career advancement opportunities and higher salaries, making it an excellent investment for IT professionals looking to enhance their career prospects.

Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) Exam is a professional certification test designed to assess individuals' knowledge and skills in the field of data communication core technology. H12-821_V1.0 exam is part of the Huawei Certified ICT Professional (HCIP) certification program, which is aimed at helping IT professionals enhance their technical expertise and advance their careers.

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

NEW QUESTION # 50
Similar to the OSPF DR, the IS-IS DIS needs to be elected on a broadcast network. However, the OSPF DR is preemptive by default, whereas the IS-IS DIS is not preemptive by default.

  • A. FALSE
  • B. TRUE

Answer: B

Explanation:
DIS and DR Election
* The IS-IS Designated Intermediate System (DIS) is responsible for generating and updating pseudonode LSPs on a broadcast network.
* Unlike OSPF DR, the IS-IS DIS does not preempt by default. This behavior avoids unnecessary flapping in the network due to frequent DIS re-elections.
HCIP-Datacom-Core Reference
* The characteristics of DIS and DR behavior are explained in IS-IS network operation chapters.


NEW QUESTION # 51
Which of the following statements regarding BGP route advertisement are false?

  • A. Only the optimal routes preferred by BGP can be advertised to other BGP peers.
  • B. All the BGP routes learned from all BGP peer will be advertised to other BGP peers.
  • C. Only the routes learned from IGPs can be advertised to other BGP peers.
  • D. By default, the routes learned from an IBGP peer will not be forwarded to other IBGP peers.

Answer: B

Explanation:
BGP does not advertise all routes learned from peers to other peers. By default, only the best (optimal) routes selected by BGP are advertised to other peers. Additionally, routes learned from IBGP peers are not forwarded to other IBGP peers unless a route reflector or confederation setup is used. The statement claiming all learned routes are advertised is false .


NEW QUESTION # 52
During routine O&M, an engineer finds that theHold Timeparameters of two devices are inconsistent. In this case, which of the following situations occurs?

  • A. A peer relationship can be established, and the larger Hold Time is selected after negotiation.
  • B. A peer relationship can be established, and the smaller Hold Time is selected after negotiation.
  • C. No peer relationship can be established.
  • D. A peer relationship can be established, and the devices use their own parameter values to send messages.

Answer: B

Explanation:
In BGP and other TCP-based protocols like OSPF and IS-IS, when devices havedifferent Hold Times, thesmaller value is chosenafter negotiation. This ensuresfaster detectionof communication loss.
The Keepalive and Hold Timers are negotiated during the establishment of a BGP session.
The smaller Hold Timeis used to maintain symmetry and prevent timeouts.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"When negotiating Hold Time, both ends agree to use the smaller of the two values. This value is used to detect failures faster." (Chapter: BGP Fundamentals - Section: BGP Session Establishment)


NEW QUESTION # 53
The figure shows theVRRP 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 # 54
A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)

Answer:

Explanation:
security policy


NEW QUESTION # 55
......

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