EXAM H12-891_V1.0 ASSESSMENT | NEW H12-891_V1.0 TEST PASS4SURE

Exam H12-891_V1.0 Assessment | New H12-891_V1.0 Test Pass4sure

Exam H12-891_V1.0 Assessment | New H12-891_V1.0 Test Pass4sure

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Upon passing the Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam, candidates will be recognized as certified professionals in the field of data communication, and will have access to a range of career opportunities in this growing industry. They will also gain recognition and respect from their peers, and will be able to contribute to the development and growth of their organization.

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Exam is a certification exam designed for those who want to become experts in data communication networks. H12-891_V1.0 exam tests the knowledge and skills of candidates in designing and deploying advanced data communication networks using Huawei technologies. The HCIE-Datacom V1.0 certification validates the comprehensive and practical knowledge of candidates in the technologies and principles of data communication networks.

Huawei HCIE-Datacom V1.0 Sample Questions (Q244-Q249):

NEW QUESTION # 244
Huawei's two switch SWA, SWB is connected together through 7 Ethernets, and static route aggregation is configured, and the corresponding ports on the switch SWA are E1/0/1, E1/02, E1/0/3, E1/0/4, E1/ 0/5, E1/0/6, E1/0/7, configured sequentially as if switch SWA, SWB Each aggregation group supports only 6 ports.

  • A. With the same configuration across ports, the Ethemet 1/0/7 port is the aggregate group Unselected port
  • B. With the same configuration of each port, the Ethemet 1/0/6 port is the aggregate group Unselected port
  • C. With the same configuration of each port, the Ethemet1/0/1 port is the aggregation group Unselected port
  • D. With the same configuration of each port, SWA randomly selects one of the 7 ports as the aggregate group Unselected port

Answer: A


NEW QUESTION # 245
K company has two types of network services: UDP-based real-time video streaming services and TCP-based FTP download services. The company's network administrator often receives complaints that the FTP download speed is slow or unstable. What are the possible causes?

  • A. The device uses the tail drop technology. As a result, global TCP synchronization affects the FTP rate.
  • B. The device limits the FTP traffic rate to a small value.
  • C. The video service has a higher priority and preempts the bandwidth of the FTP service.
  • D. The device performs PQ scheduling for FTP services and WFQ scheduling for video services. As a result, the FTP service bandwidth is preempted.

Answer: A,C

Explanation:
Comprehensive and Detailed Explanation:
Key Factors Affecting FTP Performance:
* Tail Drop and TCP Synchronization (A) #
* Tail Drop causes TCP global synchronization, reducing FTP speeds drastically when congestion occurs.
* Since FTP is TCP-based, packet loss due to tail drop forces TCP retransmissions, further degrading performance.
* Priority Preemption by Video Traffic (D) #
* UDP-based real-time video traffic is often prioritized over TCP-based traffic to avoid jitter and packet loss.
* If video traffic has higher QoS priority, FTP bandwidth may be preempted, leading to slow speeds.
Incorrect Options:
# Option B: PQ scheduling typically prioritizes latency-sensitive traffic (VoIP), but this scenario does not mention priority queuing for FTP.# Option C: No information about an explicit rate limit on FTP traffic.
# Reference: Huawei HCIE Datacom - QoS and Congestion Control


NEW QUESTION # 246
Prefix segments and adjacency segments are globally visible and unique.

  • A. TRUE
  • B. FALSE

Answer: B

Explanation:
Understanding SR-MPLS Prefix and Adjacency Segments
#What Are Prefix Segments?
Globally uniquelabels assigned to network prefixes.
Advertised viaIGP (OSPF, IS-IS) with SRGB (Segment Routing Global Block).
#What Are Adjacency Segments?
Locally significant labelsassigned to direct router adjacencies.
Not globally visible-only used within a local router'sLFIB (Label Forwarding Information Base).
Why is the Answer FALSE?
#Prefix Segments are globally unique, but Adjacency Segments are only locally significant.
#Adjacency Segments are not distributed globally through IGP.
#Only Prefix Segments use globally advertised SRGB labels.
Real-World Application:
Segment Routing Traffic Engineering (SR-TE):Usesprefix segments for global routingandadjacency segments for local path steering.
5G Core Networks:UsesSR-MPLS with Prefix SIDs for scalable path selection.
#Reference:Huawei HCIE-Datacom Guide - SR-MPLS Prefix & Adjacency Segments


NEW QUESTION # 247
Regarding the mpLS handling mode of TTL, is the following description correct?

  • A. Pipe mode. When an IP message passes through the MPLS network, the IPTTL minus 1 is mapped to the WLSTTL field at the incoming node.
  • B. Unifore style, when an IP packet passes through the MPLS network, the IPTTL of the incoming node is minus l. The MPLS TTL field is a fixed value.
  • C. The TTL in the MPLS label has the same meaning as the TTL field in the head. TTL prevents mpLS networks from developing bad routing.
  • D. In MPLSVPI, if you need to hide the structure of the MPLS backbone network, you can use Uniform mode on Ingress for private network messages .

Answer: C


NEW QUESTION # 248
Which of the following statements is incorrect about access control on small and midsize campus networks based on the Huawei CloudCampus solution?

  • A. iMaster NCE can function as a Portal relay device.
  • B. iMaster NCE can function as an authentication server.
  • C. Cloud APs support local Portal authentication.
  • D. iMaster NCE can interconnect with a third-party RADIUS server.

Answer: C

Explanation:
Understanding Huawei CloudCampus Access Control
Huawei's CloudCampus solution provides centralized authentication and policy management via iMaster NCE-Campus.
# Analysis of Each Option:
# A. iMaster NCE can function as an authentication server.
* Correct: iMaster NCE includes AAA (Authentication, Authorization, and Accounting) capabilities, reducing dependency on external servers.
# B. Cloud APs support local Portal authentication.
* Incorrect: Huawei Cloud APs do NOT support local Portal authentication.
* Instead, Portal authentication is managed centrally by iMaster NCE, NOT by individual APs.
# C. iMaster NCE can function as a Portal relay device.
* Correct: It can relay authentication requests to a RADIUS or AAA server.
# D. iMaster NCE can interconnect with a third-party RADIUS server.
* Correct: It supports integration with external RADIUS authentication servers for enterprise authentication.
Real-World Application:
* Used in Wi-Fi 6 enterprise deployments where centralized authentication, security, and policy enforcement are needed.
# Reference: Huawei HCIE-Datacom Guide - CloudCampus Authentication Architecture


NEW QUESTION # 249
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