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| Section | Weight | Objectives |
|---|---|---|
| Network Automation Technologies and Practice | 17% | - Automation Foundation
|
| WAN Interconnection Network Planning and Deployment | 8% | - WAN Service Optimization
|
| Campus Network Planning and Deployment | 23% | - Campus Network Service Deployment
|
| Advanced Routing and Switching Technologies | 37% | - Advanced Routing Protocols
|
| Bearer WAN Planning and Deployment | 15% | - Bearer Network Architecture
|
>> Valid H12-891_V1.0 Test Objectives <<
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NEW QUESTION # 281
In an MPLS domain, depending on how the LSR handles the data, the LSR can be divided into Ingress LSR, Transit LSR, and Transit LSR Egress LSR? For the same FEC An LSR can be an Iningress LSR for that EC or a Transit for that FEC LSR.
Answer: A
NEW QUESTION # 282
Drag the authentication modes on the left into their applicable scenarios on the right.
Answer:
Explanation:
Explanation:
A screenshot of a computer AI-generated content may be incorrect.
Comprehensive and Detailed In-Depth Explanation:
1. Portal Authentication:
Scenario:Guests who move frequently and use different types of terminals.
Portal authentication (also known as Web authentication) is commonly used in environments like Wi-Fi hotspots, hotels, and public areas.
Users are redirected to a login page where they enter credentials.
This method is flexible for guests and visitors who may frequently change locations or devices.
Use Case:Wi-Fi access for guests in a corporate environment.
2. MAC Address Authentication:
Scenario:Dumb terminals such as printers and fax machines.
MAC address authentication is useful for devices that do not support interactive authentication methods (like printers or IP phones).
It authenticates devices based on theirMAC addresswithout user intervention.
This method is suitable for static, non-user devices that are typically part of the local network.
Use Case:Ensuring that only authorized printers or IP phones connect to the network.
3. 802.1X Authentication:
Scenario:Office users in scenarios demanding high security.
802.1X is aport-based network access control protocolthat authenticates users before allowing network access.
Typically used in wired or wireless LAN environments where high security is required.
It usesEAP (Extensible Authentication Protocol)methods and integrates with RADIUS servers.
Use Case:Corporate LAN environments with stringent security policies.
References:
Huawei HCIE-Datacom V1.0 Training Materials
Huawei Official Documentation: Authentication Configuration Guide
IEEE 802.1X Standard
HCIE-Datacom Knowledge Base: Network Access Authentication
NEW QUESTION # 283
Which of the following number sequences can be matched by the regular expression100.$?
Answer: A,C
Explanation:
Comprehensive and Detailed In-Depth Explanation:
The regular expression100.$can be broken down as follows:
100:Matches the exact sequence of digits "100".
(dot): Representsany single character.
$:Indicates theend of the line.
Therefore, the pattern100.$matches anyfour-character sequencethat starts with "100" and ends withany single character.
1000 (A): Matches because it has four digits, starting with "100" and ending with "0".
1001 (B): Matches because it has four digits, starting with "100" and ending with "1".
10000 (C): Doesnot matchbecause it hasfive digits.
100 (D): Doesnot matchbecause it only hasthree digits.
NEW QUESTION # 284
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following statements about the functions of BGP EVPN Type 3 routes is incorrect?
Answer: D
Explanation:
Comprehensive and Detailed
BGP EVPN Type 3 routes are used for VXLAN ingress replication and BUM (Broadcast, Unknown unicast, and Multicast) traffic forwarding.
✔ Type 3 routes contain L2VNIs, not L3VNIs → (C is incorrect)
Key Functions of Type 3 Routes:
Distribute VTEP IP addresses to establish VXLAN tunnels.
Include L2VNIs for mapping Layer 2 broadcast domains.
Used in Ingress Replication for BUM traffic.
Since Type 3 routes do not carry L3VNIs, the correct answer is C.
📖 Reference: Huawei HCIE Datacom - BGP EVPN Type 3 Routes
NEW QUESTION # 285
The authentication types of ISIS include interface authentication, zone authentication, and routed domain authentication
Answer: B
NEW QUESTION # 286
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