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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Advanced Routing and Switching Technology	37%	- OSPF 1. LSA Types 2. Route Calculation 3. Configurations and Troubleshooting 4. Area Types 5. Basic Concepts - Route Control 1. IP Prefix List 2. ACL 3. Route Filtering 4. Route-policy - BGP 1. Route Aggregation 2. Configurations and Troubleshooting 3. Routing Policies 4. Basic Concepts 5. Path Selection - MPLS 1. MPLS VPN 2. MPLS TE 3. Configurations 4. LDP 5. Basic Concepts - Ethernet Switching 1. Stack & CSS 2. STP/RSTP/MSTP 3. VLAN 4. VXLAN - IS-IS 1. Configurations and Troubleshooting 2. Route Leaking 3. Addressing 4. Basic Concepts 5. Network Types
Topic 2: WAN Interconnection Network Planning and Deployment	8%	- MPLS VPN 1. Hub-Spoke 2. Full-Mesh - SD-WAN 1. Architecture 2. Orchestrator - Inter-AS VPN 1. Option A 2. Option B 3. Option C
Topic 3: Network Automation	17%	- Automation Technologies 1. RESTful API 2. Python Scripting 3. Ansible 4. NETCONF/YANG - iMaster NCE 1. Intent-Driven Networking - NCE (Network Cloud Engine) 1. Architecture 2. Deployment
Topic 4: Campus Network Planning and Deployment	23%	- Campus Network Architecture 1. Hierarchical Design 2. Spine-Leaf Architecture - Overlay Network (VXLAN) 1. VXLAN Gateway 2. BGP EVPN - Underlay Network 1. IP Address Planning 2. Physical Layer Design - Network Services 1. WLAN 2. QoS 3. Network Security
Topic 5: Bearer WAN Planning and Deployment	15%	- SR (Segment Routing) 1. SR-MPLS 2. SRv6 - VPN Services 1. L3VPN 2. EVPN - Traffic Engineering 1. RSVP-TE 2. SR-TE 3. Flex-Algo

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Huawei HCIE-Datacom V1.0 Sample Questions (Q135-Q140):

NEW QUESTION # 135
If the PIM-SM protocol is running in a multicast network , you need to configure RP, and the configuration equation of RP is divided into dynamic RP and static RP. The following configuration description of the RP is correct (radio).

A. When configuring a static RP, you need to specify the information for the RP on all PIM routers.
B. When you configure a static RP , you need to configure the BSR to advertise the RP information.
C. When you configure Dynamic RP, you do not need to configure BSR.
D. When you configure Dynamic RP , you need to configure BSR as a backup of the RP.

Answer: A

NEW QUESTION # 136
MPLS is located between the data link layer and network layer in the TCP/IP protocol stack and can provide services for all network layer protocols.

A. FALSE
B. TRUE

Answer: B

Explanation:
MPLS Positioning in the TCP/IP Model
MPLS (Multiprotocol Label Switching) operates between the Data Link Layer (Layer 2) and the Network Layer (Layer 3).
✅ MPLS is protocol-independent and supports various network layer protocols (IPv4, IPv6, VPN, etc.) by using labels instead of traditional IP routing.
✅ How MPLS Works:
MPLS assigns labels to packets, allowing fast forwarding based on the label rather than a routing table lookup.
Supports Layer 3 VPNs (L3VPNs), Layer 2 VPNs (L2VPNs), and MPLS Traffic Engineering (MPLS-TE).
✅ Why MPLS is Between Layer 2 and Layer 3?
MPLS adds a label between the Layer 2 (Ethernet, PPP) and Layer 3 (IP) headers, effectively creating a separate forwarding mechanism.
Label Switching Routers (LSRs) forward packets based on labels instead of IP addresses, reducing processing time.
Reference from Huawei HCIE-Datacom Documentation:
Huawei MPLS Technology Guide - MPLS Architecture and Label Switching
HCIE-Datacom Study Material - MPLS Positioning and Functionality in TCP/IP

NEW QUESTION # 137
How do IGMPv2 routers maintain cinderband group membership? Multi-select

A. The router maintains a timeout timer for each group membership, refreshes the timer if the receiver host is received, and deletes the group membership if the timer times out
B. The router queries a specific group
C. As soon as the leave message is received, the router immediately deletes the group membership
D. The router periodically sends a Query message, and after the receiver host receives the Query message, it reports a Report message

Answer: A,D

NEW QUESTION # 138
NETCONF uses an XML-based encoding format. NETCONF uses text files to represent complex hierarchical data. Which of the following statements are correct about the following XML file?
<?xml version="1.0" encoding="UTF-8"?>
<note>
<to>Learners</to>
<from>Huawei</from>
<heading>Reminder</heading>
<body>Don't forget Reading!</body>
</note>

A. /: indicates the end of the current tag.
B. encoding: indicates the character set encoding format. Currently, only UTF-8 encoding is supported.
C. <?: indicates the start of an instruction.
D. ?>: indicates the end of an instruction.

Answer: A,B,C,D

Explanation:
# A. encoding: indicates the character set encoding format. Currently, only UTF-8 encoding is supported.
* UTF-8 is the default and only supported character encoding in NETCONF XML.
# B. /: indicates the end of the current tag.
* In XML, </tag> closes an element, defining the end of a structure.
# C. <?: indicates the start of an instruction.
* The <?xml line declares an XML document and its version/encoding.
# D. ?>: indicates the end of an instruction.
* Closes the XML declaration.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei NETCONF Development Guide - XML Formatting Rules
* HCIE-Datacom Training Material - Understanding XML in Network Automation

NEW QUESTION # 139
As shown in the following figure, R1 and R2 establish a neighbor relationship with LeveL2, and the key configuration is as follows, so is the following route entry for R2 correct?

A. 2021::/64 Routers appear in the IP routing table
B. 2019::/64 Routers appear in the IP routing table
C. 2022::/64 Routers appear in the IP routing table
D. 0::/64 The router will appear in the IP routing table

Answer: B,C,D

NEW QUESTION # 140
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