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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 |
| Exam Number: | H12-891_V1.0 |
| Exam Price: | 300 USD |
| Available Languages: | CHS, ENU |
| Related Certifications: | HCIE-Datacom Huawei Certified ICT Expert (HCIE) |
| Exam Format: | True or false, Single-answer Question, Short Response Item, Drag and drop item, Multiple-answer Question |
| Passing Score: | 600/1000 |
| Exam Duration: | 90 minutes |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Pearson VUE or Prometric |
| Pre Condition: | It is recommended to pass HCIP-Datacom-Core Technology. 5 years of relevant work experience is suggested. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/#/cert/technical-cert-details?certId=1223102600645939200&contentId=1223107831750217728 |
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Huawei H12-891_V1.0（HCIE-DATACOM V1.0）認定試験は、データ通信の分野で候補者の知識とスキルをテストするために設計されています。この試験では、複雑なデータ通信ネットワークの設計、実装、およびトラブルシューティングに関する候補者の専門知識を検証します。 HCIE-DATACOM V1.0認定は、データ通信の分野でのキャリアを強化しようとしている専門家を対象としています。
質問 # 214
Which of the following is the type of northbound API used by iMaster NCE-WAN?
正解：D
解説：
Comprehensive and Detailed Explanation:
# iMaster NCE-WAN provides a RESTful API for integration with third-party applications and network automation platforms.
# Why RESTful API?
* Uses HTTP/HTTPS for communication.
* Supports JSON and XML data formats.
* Enables orchestration, monitoring, and automation.
# Why Not Other Options?# (A) NETCONF # Used for device-level configuration, not northbound APIs.
# (B) SNMP # Used for network monitoring, not northbound integration.# (C) CLI # Used for manual command execution, not API communication.
# Reference: Huawei HCIE Datacom - iMaster NCE-WAN Northbound API
質問 # 215
The BGP ORF function can be used to control the maximum number of routes that can be sent by a BGP peer. To achieve this, which of the following tools is used to send such a route list to BGP peers?
正解：A
解説：
Comprehensive and Detailed In-Depth Explanation:
TheOutbound Route Filtering (ORF)function in BGP allows a BGP speaker to inform its peer about the prefixes that it wants to receive, thereby reducing unnecessary route advertisements.
IP Prefix-List (D)is the correct answer because it is used to define the list of prefixes that are sent to the BGP peer during theORF capability negotiation.
Filter-policy (A)andRoute-policy (B)are used for controlling routing information locally or filtering incoming
/outgoing routes but do not directly control the number of routes sent using ORF.
ACL (C)is primarily used for packet filtering and is not related to BGP route filtering.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei BGP Configuration and Maintenance Guide
RFC 5291: Outbound Route Filtering Capability for BGP-4
質問 # 216
ISIS does not send CSNP packets under the P2P network type during the neighbor establishment process.
正解：B
質問 # 217
Refer to the figure.
Which of the following steps are mandatory to enable 802.1X authentication on GE0/0/2 and GE0/0/3 of SW3 and configure a RADIUS server to authenticate and deliver network access rights to users?
正解：A、B、C、D
解説：
Understanding 802.1X Authentication in Enterprise Networks
# What is 802.1X?
802.1X is a network access control (NAC) protocol that enforces authentication before allowing a device to connect to a LAN.
It usesEAP (Extensible Authentication Protocol)overRADIUSfor user verification.
Typically deployed incorporate and campus networksforsecure wired and wireless access.
# How Does 802.1X Work?
1##Client (Supplicant) # Requests network access.
2##Switch (Authenticator) # Forwards request to RADIUS server.
3##RADIUS Server # Verifies credentials & grants access.
Mandatory Steps to Enable 802.1X on SW3
#A. Configure an AAA Scheme
Defines authentication, authorization, and accounting (AAA) methods.
Links802.1X authentication to the RADIUS server.
#B. Configure an Authentication Profile
Specifies how authentication is handled on the switch.
Associates802.1X authentication with an AAA scheme.
#C. Configure an Authentication Domain
Groups authentication policies for different user types.
MapsAAA scheme to user login requests.
#D. Configure an 802.1X Access Profile
Applies 802.1X authentication to specific switch ports (GE0/0/2 & GE0/0/3).
Ensures thatonly authenticated users can pass traffic.
Why Are All Four Steps Necessary?
#Each step plays a critical role in enabling 802.1X authentication and linking it to the RADIUS server.
#Without any one of these configurations, the 802.1X authentication process would fail.
Real-World Application:
Enterprise Wired Security:Ensures thatonly authenticated devicesaccess corporate networks.
University Campuses & Public Wi-Fi:Prevents unauthorized access tosecure LAN environments.
#Reference:Huawei HCIE-Datacom Guide - 802.1X Authentication & RADIUS Server Configuration
質問 # 218
In an MPLS domain, LSRs can be classified into ingress, transit, and egress LSRs based on how they process data. For the same FEC, an LSR can be both an ingress and a transit LSR of the FEC.
正解：B
解説：
In MPLS (Multiprotocol Label Switching), Label Switching Routers (LSRs) handle packets based onFECs (Forwarding Equivalence Classes)and their positions in the label-switched path:
Ingress LSR:The entry point for labeled packets; it classifies packets into FECs and assigns the initial label.
Transit LSR:Intermediate routers that swap labels and forward packets along the LSP.
Egress LSR:The last router in the LSP that removes the label and forwards the packet normally.
An LSRcannotbeboth an ingress and a transit router for the same FEC, because an ingress LSR is defined as thestarting pointfor that specific FEC's LSP. If it's the ingress, it means the labeled pathstarts there, so it can't be in themiddle (transit)of that same path.
Therefore, the statement isFALSE.
質問 # 219
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