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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Objectives
Topic 1: Enterprise Network Architecture	- Network design principles 1. Scalability and high availability design 2. Hierarchical network architecture
Topic 2: Data Center and Virtualization Technologies	- VXLAN and overlay networks 1. Data center network virtualization
Topic 3: WAN and VPN Technologies	- MPLS fundamentals 1. MPLS LDP and forwarding 2. VPN technologies
Topic 4: Routing and Switching Technologies	- IP routing protocols 1. BGP 2. OSPF 3. IS-IS basics - Switching technologies 1. Ethernet switching mechanisms 2. VLAN and STP
Topic 5: Network Security and QoS	- Security mechanisms 1. ACL and traffic control 2. Basic network security design - QoS mechanisms 1. Traffic classification and shaping
Topic 6: IPv6 and Advanced IP Technologies	- IPv6 deployment 1. IPv6 addressing and transition
Topic 7: Network Automation and Programmability	- SDN and automation 1. NETCONF/YANG basics 2. Network automation tools

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Huawei HCIE-Datacom V1.0 Sample Questions (Q187-Q192):

NEW QUESTION # 187
What can be determined from the following IS-IS peer output?
Peer information for ISIS(1):
Peer System ID: ee8c.a0c2.baf3
Interface: GE0/0/0
State: Up
HoldTime: 7s
Type: L1
PRI: 64
MT IDs supported: 0(UP), 2(UP)
Local MT IDs: 0, 2
Area Address(es): 49.0022
Peer IP Address(es): 10.1.34.1
Peer IPv6 Address(es): FE80::2E0:FCFF:FE98:2576

A. Only an IPv4 IS-IS neighbor relationship is established between R4 and ee8c.a0c2.baf3.
B. Both IPv4 and IPv6 IS-IS neighbor relationships are established between R4 and ee8c.a0c2.baf3.
C. R4 does not have any IS-IS neighbors.
D. Only an IPv6 IS-IS neighbor relationship is established between R4 and ee8c.a0c2.baf3.

Answer: B

Explanation:
Comprehensive and Detailed
The IS-IS peer output shows:
IPv4 Peer Address: 10.1.34.1
IPv6 Peer Address: FE80::2E0:FCFF:FE98:2576
MT IDs (Multi-Topology) Supported: 0 (IPv4), 2 (IPv6)
Since both IPv4 and IPv6 peer addresses are listed, it confirms that both IPv4 and IPv6 IS-IS neighbor relationships are established between R4 and ee8c.a0c2.baf3.
📖 Reference: Huawei HCIE Datacom - IS-IS Multi-Topology Support

NEW QUESTION # 188
The value of OSPF and BFD linkage is ? Radio

A. Any change in BFD status is realized by detecting the BFD at the millisecond level, which correlates the OSPF state and realizes the purpose of OSPF rapid sensing link state
B. Does not affect OSPF neighbor status
C. OSPF's hello send interval is seconds, which is faster than BFD inductive link state
D. BFD packet transmission interval can reach the 100-second level, which is slower than the OSPF induction link state

Answer: A

NEW QUESTION # 189
iMaster NCE-CampusInsight uses SNMP technology to collect metrics and logs of network devices and detects network exceptions based on real service traffic.

A. TRUE
B. FALSE

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
iMaster NCE-CampusInsight is Huawei's intelligent network analysis platform that:# Collects real-time telemetry data using SNMP, NetStream, and Telemetry.# Analyzes traffic patterns to detect network anomalies.# Uses AI-driven analytics to optimize network performance.
Thus, the statement is TRUE.
# Reference: Huawei HCIE Datacom - iMaster NCE-CampusInsight Features

NEW QUESTION # 190
An SR-MPLS Policy needs to divert service traffic to a tunnel for forwarding. If traffic from various services is destined for the same address, which of the following traffic diversion modes is recommended to ensure the quality of each service?

A. Endpoint-based traffic diversion
B. 5-tuple-based traffic diversion
C. DSCP-based traffic diversion
D. Color-based traffic diversion

Answer: D

Explanation:
Traffic Diversion in SR-MPLS Policy
SR-MPLS Policies use traffic steering mechanisms to direct specific flows to Segment Routing paths (SR Policies). When multiple services share the same destination address, color-based traffic diversion ensures differentiated service treatment.
✅ B. Color-based traffic diversion (Correct Answer)
Traffic is classified based on "color" (a BGP-SR policy attribute) and mapped to different SR-MPLS tunnels.
Different colors represent different paths (e.g., high-priority services can use an optimized low-latency path).
This method ensures service quality by directing traffic according to policy-based routing decisions.

NEW QUESTION # 191
The following statement about RSTP root protection is correct?

A. It is recommended that you turn it on on a switch that is at the edge of the network
B. Turning on root protection on the root port takes effect
C. After opening the root-protected port and receiving the RSTBPDU with a higher priority, if it does not continue to receive the RSTBPDU with a higher priority for a period of time, it will return to the normal forwarding state
D. The port that turns on the root protection receives the RST BDPU with a higher priority and will enter the error-down state

Answer: A,C

NEW QUESTION # 192
......

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