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| Section | Objectives |
|---|---|
| WAN and VPN Technologies | - MPLS fundamentals
|
| IPv6 and Advanced IP Technologies | - IPv6 deployment
|
| Routing and Switching Technologies | - Switching technologies
|
| Network Security and QoS | - Security mechanisms
|
| Network Automation and Programmability | - SDN and automation
|
| Enterprise Network Architecture | - Network design principles
|
| Data Center and Virtualization Technologies | - VXLAN and overlay networks
|
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NEW QUESTION # 320
Portal authentication is recommended for scenarios with high mobility and numerous terminal types, such as shopping malls and supermarkets. MAC address authentication is recommended for dumb terminals that do not support Portal authentication, such as printers, fax machines, and IP phones.
Answer: A
Explanation:
Portal Authentication vs. MAC Authentication
✅ Portal Authentication
Used in high-mobility environments (e.g., shopping malls, hotels, and public Wi-Fi hotspots).
Users authenticate via a web portal before gaining network access.
Supports multiple device types (smartphones, laptops, tablets, etc.).
✅ MAC Address Authentication
Used for dumb devices that cannot perform interactive authentication (e.g., printers, IP phones, cameras).
The network authenticates devices based on their MAC addresses automatically.
Often used in enterprise LANs to ensure unattended devices get network access securely.
Reference from Huawei HCIE-Datacom Documentation:
Huawei CloudCampus Authentication Guide - Portal and MAC Authentication HCIE-Datacom Training Material - Access Control Mechanisms
NEW QUESTION # 321
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?
Answer: A,B,C,D
Explanation:
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
NEW QUESTION # 322
Compared to IPV4 multicast, which of the following descriptions is the characteristic of IP6 multicast?
Answer: B
NEW QUESTION # 323
If SRv6 needs to be deployed on a bearer WAN, which of the following technologies are required? (Select all that apply)
Answer: C,D
Explanation:
ForSRv6 (Segment Routing over IPv6)deployment on abearer WAN, the following are essential:
IGP (OSPFv3 or IS-IS): Required for SID advertisement and SRv6 route computation ## BGP: Required when deployinginter-domain SRv6or for control plane distribution of VPN/service routes ## Not required:
MPLS: SRv6 replaces MPLS labels withIPv6-based SIDs##
BGP-LU: Used inMPLS-based inter-AS scenarios,not applicableto SRv6 ##
Correct answers: B, C
NEW QUESTION # 324
The following statement about the five types of LSAs in OSPF is used to pass external routes, and the following statement about the five types of LSAs is incorrect and flooding in
Answer: A
NEW QUESTION # 325
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