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The third and last format is the H12-891_V1.0 desktop practice exam software form that can be used without an active internet connection. This software works offline on the Windows operating system. The practice exams benefit your preparation because you can attempt them multiple times to improve yourself for the HCIE-Datacom V1.0 Professional-Cloud-Developercertification test. Our H12-891_V1.0 Exam Dumps are customizable, so you can set the time and questions according to your needs.
| Section | Objectives |
|---|---|
| Routing and Switching Technologies | - Switching technologies
|
| IPv6 and Advanced IP Technologies | - IPv6 deployment
|
| Enterprise Network Architecture | - Network design principles
|
| Network Automation and Programmability | - SDN and automation
|
| Data Center and Virtualization Technologies | - VXLAN and overlay networks
|
| WAN and VPN Technologies | - MPLS fundamentals
|
| Network Security and QoS | - QoS mechanisms
|
>> H12-891_V1.0 Detailed Answers <<
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NEW QUESTION # 24
Which of the following options is described correctly for the assertion mechanism?( Radio).
Answer: C
NEW QUESTION # 25
The TTL field encapsulated in the MPLS label header can prevent infinite loops of MPLS packets. Which of the following statements regarding the TTL field are correct?
Answer: B,C,D
Explanation:
TheTime-To-Live (TTL) fieldin MPLS is essential forpreventing infinite loopsandenhancing security.
MPLS TTL Field Functionality:
It prevents packets fromcirculating indefinitelyin the MPLS network.
It allowstraceroute (tracert) to identify MPLS hopswhen TTL propagation is enabled.
Explanation of Correct Answers:#B. The processing of IP TTL copy hides the LSR in an MPLS domain, improving security.
IfTTL propagation is disabled, MPLS routers do not decrease TTL, hidinginternal LSRsfrom traceroute, enhancing security.
#C. MPLS provides two TTL processing modes:
Default Mode:The MPLS TTLcopies the IP TTL valuewhen an IP packet enters the MPLS network.
Uniform Mode:The ingress LERsets the MPLS TTL to 255, so it does not decrement.
#D. MPLS encapsulation in frame mode supports the TTL field, while cell mode does not.
Frame Mode (Ethernet, PPP, etc.) supports TTL.
Cell Mode (ATM/MPLS) does not support TTL.
Incorrect Answer Explanation:#A. If TTL copy is disabled, users can use the tracert function to view MPLS hops.
Wrong!If TTL propagation is disabled, tracertcannotsee LSRs inside the MPLS core network.
Reference from Huawei HCIE-Datacom Documentation:
Huawei MPLS Technology Guide - TTL Field & Loop Prevention
HCIE-Datacom MPLS VPN Configuration Guide - Traceroute in MPLS Networks
NEW QUESTION # 26
MACsec can provide secure services during MAC-layer data transmitting and receiving. Which of the following services isnotprovided by MACsec?
Answer: D
Explanation:
Comprehensive and Detailed In-Depth Explanation:
MACsec (Media Access Control Security)is a security protocol that provides securecommunication over Ethernet links. It operates at the MAC layer (Layer 2) and offers the following key security services:
Integrity Check (B):Ensures that data has not been tampered with during transmission.
User Data Encryption (C):Protects data confidentiality by encrypting the payload.
Data Source Authenticity Verification (D):Confirms that the data originates from a legitimate source by using security associations.
Controllability Check (A)is not a service provided by MACsec. The term "controllability" typically relates to network management and configuration control rather than data security. MACsec primarily focuses on protecting data integrity, confidentiality, and authenticity, rather than controlling network elements or configurations.
NEW QUESTION # 27
Flavors are additional behaviors defined to enhance the End series instructions in SRv6. Which of the following End instructions can the PSP flavor be attached to?
Answer: A,C,D
Explanation:
Comprehensive and Detailed
✔ SRv6 (Segment Routing over IPv6) Flavors provide additional processing behaviors for SRv6 End instructions.
✔ PSP (Penultimate Segment Popping) Flavor:
PSP enables the penultimate node to remove the SRH (Segment Routing Header) before forwarding the packet to the last segment.
This reduces the processing overhead on the final segment node.
✔ Correct End Instructions for PSP:
✅ (A) End.X → Cross-connect behavior between segments.
✅ (C) End.T → Transport encapsulation in SRv6.
✅ (D) End → Basic SRv6 endpoint behavior.
❌ (B) End.BM is incorrect → This is used for Binding Segment (BSID) behavior and does not support PSP.
📖 Reference: Huawei HCIE Datacom - SRv6 Flavors and End Instructions
NEW QUESTION # 28
Free mobility is deployed on a campus network through iMaster NCE-Campus. During this deployment, which of the following steps are performed by administrators and which are automatically performed by iMaster NCE-Campus? Drag the administrators and iMaster NCE-Campus icons on the left to the corresponding steps on the right.
Answer:
Explanation:
NEW QUESTION # 29
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