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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a professional-level certification offered by Huawei Technologies Co. Ltd. HCIE-Datacom V1.0 certification is designed for network engineers, architects, and technicians who have a solid understanding of data communication technologies and wish to validate their expertise in designing and deploying large-scale data communication networks. The HCIE-Datacom V1.0 certification exam tests candidates on their ability to design, deploy, and troubleshoot complex data communication networks using Huawei’s networking equipment and technologies.

Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a professional-level certification exam that tests the skills and knowledge of individuals in the field of data communication. H12-891_V1.0 exam is designed for those who aspire to become certified HCIE-Datacom professionals and want to demonstrate their expertise in data communication technologies.

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Huawei HCIE-Datacom V1.0 Sample Questions (Q106-Q111):

NEW QUESTION # 106
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following BGP EVPN routes is used to advertise MAC addresses, ARP entries, and IRB routes?

A. Type 2
B. Type 3
C. Type 1
D. Type 4

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
In BGP EVPN,Type 2routes (MAC/IP Advertisement routes) are used to advertise:
MAC addressesof endpoints.
ARP entries(MAC-to-IP bindings).
IRB (Integrated Routing and Bridging) routes, allowing the advertisement of both Layer 2 and Layer 3 reachability.
These routes are essential for enabling dynamic VXLAN tunnel establishment and seamless host mobility.
Type 1 (Ethernet Auto-Discovery):Used for multi-homing information.
Type 3 (Inclusive Multicast Ethernet Tag):Used for BUM (Broadcast, Unknown unicast, and Multicast) traffic.
Type 4 (Ethernet Segment):Used for identifying Ethernet segments in multi-homing scenarios.

NEW QUESTION # 107
During the evolution from OSPFv2 to OSPFv3, LSA formats and functions remain unchanged, except that the network layer addresses in LSAs are changed from IPv4 to IPv6.

A. TRUE
B. FALSE

Answer: B

Explanation:
OSPFv3 (for IPv6) introduces significant changes compared to OSPFv2 (for IPv4).While both versions share similar routing mechanisms, there are key LSA format and functional differences beyond just address changes.
Major Differences Between OSPFv2 and OSPFv3:
* Address Independence (LSA Format Changes)
* OSPFv3 LSAs do not contain IP addresses directly; they rely on Link-LSA and Intra-Area Prefix LSA to advertise addresses.
* In OSPFv2, IP addresses were included in LSA headers.
* New LSA Types in OSPFv3
* LSA Type 8 (Link-LSA): Advertises a router's IPv6 address to neighbors.
* LSA Type 9 (Intra-Area Prefix LSA): Replaces the address information in Router-LSAs and Network-LSAs.
* Support for Multiple Address Families (AF)
* OSPFv3 can support both IPv4 and IPv6 in newer implementations (RFC 5838).
* Authentication Mechanism Removed
* OSPFv3 relies on IPsec for authentication, whereas OSPFv2 had built-in authentication mechanisms.
Incorrect Statement Explanation:
# The statement "LSA formats and functions remain unchanged" is false because:
* LSA structures were modified in OSPFv3.
* New LSA types were introduced to handle IPv6 addresses separately.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei OSPFv3 Configuration Guide - LSA Differences from OSPFv2
* HCIE-Datacom Study Material - OSPFv3 Evolution & IPv6 Implementation

NEW QUESTION # 108
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?

A. Configure an authentication profile.
B. Configure an AAA scheme.
C. Configure an 802.1X access profile.
D. Configure an authentication domain.

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 # 109
The following statement about IS-IS (IPv6) is correct?

A. IS-IS works at the data link layer and only needs to add a new TLV to support IPv6
B. By default, IS-IS has the multi-topology feature turned on
C. In order to support the processing and calculation of IPv6 routes, IS-IS has added NLPID to the 129 TLV
D. In order to support the processing and calculation of IPv6 routes, IS-IS has added TLV232 and 236

Answer: A,C,D

NEW QUESTION # 110
Auto-negotiate mode is to obtain the maximum interface rate and operating mode, the network administrator configures all Ethernet interface rates of a working switch to 10OMbps, and the operating mode is configured as Full-duplex, when a network card is configured After the auto-negotiate workstation is connected to the switch, the negotiation result is that the interface rate is 10OMbps and the working mode is half-duplex, which of the following explanations is the most reasonable for this phenomenon?

A. Port rate negotiation is negotiated through the initial port sending FLP , and the operating mode is not negotiated through FLP
B. The problem is on the workstation's NIC, mostly due to the aging of the NIC driver on the workstation , which causes the workstation NIC to learn the interface rate and operating mode configured on the switch
C. Auto-negotiation is not configured on the switch, resulting in the switch not being able to send FLP messages to the workstation, causing the workstation to set its own operating mode to Half-duple
D. STP initializes the port into the blocking state, causing auto-negotiation to fail, so the port should be configured as an edge port
E. At higher port rates and operating modes, the workstation's network interface card cannot be configured as auto-negotiate

Answer: C

NEW QUESTION # 111
......

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Huawei HCIE-Datacom V1.0 Sample Questions (Q106-Q111):

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