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Huawei H12-891_V1.0 Customizable Exam Mode - H12-891_V1.0 Free Download

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is designed for IT professionals who want to validate their skills and knowledge in the field of data communication technologies. HCIE-Datacom V1.0 certification exam is part of Huawei's HCIE (Huawei Certified Internetwork Expert) program, which is a prestigious certification program that is globally recognized by employers and IT professionals. The HCIE-Datacom V1.0 certification is the highest level of certification in data communication technologies offered by Huawei, and passing H12-891_V1.0 Exam demonstrates an advanced level of expertise in the field.

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Huawei HCIE-Datacom V1.0 Sample Questions (Q237-Q242):

NEW QUESTION # 237
BGP EVPN Type2 routes are used to pass IRB type routes with information including ?( Multi-select)

A. Host MAC address
B. Host IP address
C. Layer 2 VNI
D. Three layers of VNI

Answer: A,B,C,D

NEW QUESTION # 238
Refer to the following command output on the router R3. Which of the following statements are correct?
<R3> display interface Tunnel
Tunnel0/0/0 current state : UP
Line protocol current state : UP
Last line protocol up time : 15:21:26 UTC-08:00
Description: HUAWEI, AR Series, Tunnel0/0/0 Interface
Route Port, The Maximum Transmit Unit is 1500
Internet Address is 20.1.1.2/24
Encapsulation is TUNNEL, loopback not set
Tunnel source 10.0.3.3 (LoopBack0), destination 10.0.1.1
Tunnel protocol/transport GRE/IP, key disabled
keepalive disabled
Checksumming of packets disabled

A. The tunnel source IP address is 10.0.1.1.
B. The tunnel interface MTU is 1500 bytes.
C. The tunnel interface IP address is 20.1.1.2/24.
D. The tunnel destination IP address is 10.0.1.1.

Answer: B,C,D

Explanation:
From the output:
Tunnel destination IP address: Clearly shown as destination 10.0.1.1 ## Tunnel interface MTU: Shown as The Maximum Transmit Unit is 1500 ## Tunnel interface IP: Shown as Internet Address is 20.1.1.2/24 ## Tunnel source: Tunnel source 10.0.3.3 (LoopBack0) # Not 10.0.1.1 ## Therefore:
A- Correct
B- Correct
C- Correct
D- Incorrect (confuses destination as source)
Correct answers: A, B, C

NEW QUESTION # 239
Which of the following statements is incorrect about intranet security design for a large or medium-sized virtualized campus network?

A. Intranet security refers to both wired and wireless network security.
B. To secure data transmission, the CAPWAP tunnel between the AC and AP supports DTLS encryption.
C. Traffic suppression can be configured on the wired network to block broadcast traffic by shutting down interfaces.
D. In addition to terminal access security, air interface security must be considered during wireless network security design.

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
# Traffic suppression is used to control broadcast storms, but shutting down interfaces is NOT the correct way to block broadcast traffic.
# Correct Statements:# (B) Intranet security covers both wired and wireless networks.# (C) CAPWAP tunnels use DTLS encryption for security.# (D) Wireless security requires air interface protection against attacks.
# Reference: Huawei HCIE Datacom - Intranet Security Design

NEW QUESTION # 240
In a scenario whereSR Policiesare dynamically established through thecontroller, which of the following statements about theSR Policy solution architectureis incorrect?

A. The controller uses BGP-LS to collect tunnel topology information and computes SR Policy paths.
B. The controller uses NETCONF to deliver configurations such as service interfaces and routing policies.
C. The controller uses telemetry to deliver information such as SRv6 SIDs to construct SID entries.
D. The controller uses BGP IPv6 SR Policy to deliver SR Policy information, such as the color, headend, and endpoint information.

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
#SR Policies are dynamically computed and delivered by the SDN controllerin an SR-MPLS or SRv6 network.
#Correct Statements:
#(A)NETCONFis used fordelivering configurationslikerouting policies and service interfaces.
#(B)BGP-LS (Link-State)is used tocollect topologyandcompute SR Policies.
#(D)BGP IPv6 SR Policydistributes SR policy attributes likecolor, headend, and endpoints.
#Why Is (C) Incorrect?
#(C) The controller does not use telemetry to deliver SID entries-telemetry is used forreal-time monitoring, not path computation.
#Reference:Huawei HCIE Datacom - SR Policy and Controller-Based Path Computation

NEW QUESTION # 241
Which of the following fields is added to BGP4+ Update packets to advertise IPv6 routes?

A. A new NLRI type: IPv6_NLRI, which carries the IPv6 NLRI prefix length and IPv6 NLRI prefix.
B. A new path attribute: MP_UNREACH_NLRI
C. A new path attribute: MP_REACH_NLRI
D. A new path attribute: IPv6_REACH_NLRI

Answer: C

Explanation:
Comprehensive and Detailed In-Depth Explanation:
BGP4+ (BGP for IPv6) uses theMP_REACH_NLRI(Multiprotocol Reachable Network Layer Reachability Information) attribute to advertise IPv6 routes. This attribute is part of BGP's multiprotocol extensions (RFC
2858), allowing BGP to support multiple address families, including IPv6.
MP_REACH_NLRI:Advertises reachable IPv6 prefixes along with next-hop information.
MP_UNREACH_NLRI:Used to withdraw previously advertised IPv6 routes.
Since IPv6 addresses are significantly different from IPv4 addresses in structure and length (128 bits), the traditional BGP update message format (which supports only IPv4) is insufficient.
TheMP_REACH_NLRIattribute solves this by carrying IPv6-specific information.

NEW QUESTION # 242
......

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