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Huawei H12-831_V1.0-ENU (HCIP-Datacom-Advanced Routing & Switching Technology V1.0) Certification Exam is designed for professionals who want to validate their expertise in advanced routing and switching technologies. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification exam is part of the Huawei Certified ICT Professional (HCIP) program, which aims to provide candidates with the knowledge and skills required to design, deploy and manage complex ICT infrastructure solutions. The HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification validates the candidate's ability to configure and troubleshoot advanced routing and switching technologies in large-scale enterprise networks.

Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q112-Q117):

NEW QUESTION # 112
An engineer uses two routers to test IPv6 services, and simulates the headquarters and branches by running BGP4+ of interconnection. As shown in the figure, an engineer captures packets to view the update packets sent by R1. About this message Description of information, which of the following statements is correct

A. This message describes the current revocationIPv6routing
B. the route described in this packet may be throughimportbow
C. The next hop address of the route described in this packet is:2001:db8::2345:l.:l

Answer: B

NEW QUESTION # 113
The MPLS architecture consists of the control plane and forwarding plane, each of which contains multiple protocols and entries. Which of the following tables is used to forward MPLS labeled packets?
Options:

A. LIB
B. RIB
C. LFIB
D. FIB

Answer: C

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* MPLS packet forwarding is based on label information stored in the LFIB (Label Forwarding Information Base).
* The role of different tables in MPLS:# RIB (Routing Information Base): Stores routing information, but does not handle MPLS label forwarding.# LIB (Label Information Base): Stores label bindings but is used for control-plane operations.# FIB (Forwarding Information Base): Used for IP forwarding, not MPLS forwarding.# LFIB (Label Forwarding Information Base): The correct table, which maps incoming labels to outgoing labels (or actions like swap, push, pop) and is used for actual MPLS packet forwarding.
# Reference: HCIP-Datacom Advanced Routing & Switching Technology - MPLS LFIB and Label Forwarding

NEW QUESTION # 114
On the network shown in the figure, IS-IS runs on R1, R2, R4, and R5, and the area ID is 49.0001. IS-IS runs on R3 and R6, and the area ID is 49.0002. The import-route isis level-2 into level-1 command is configured on R2.
In AS 65000, R1, R3, R4, and R6 each establish iBGP peer relationships with R2 and R5. R2 and R5 are Route Reflectors (RRs), and R1, R4, R3, and R6 are clients.
The iBGP peer relationships are established using Loopback0. The IP address of Loopback0 on each router is 10.0.X.X/32, and the router ID is 10.0.X.X, where X is the number of the router.
R1 and R4 import the external route 192.168.1.0/24 to BGP through the import-route command, and R3 and R6 import the external route 192.168.2.0/24 to BGP through the import-route command.

Which of the following statements are true?

A. The routing table of R4 contains two equal-cost default routes.
B. The routing table of R1 contains the route 192.168.2.0/24.
C. The route 192.168.2.0/24 in the routing table of R4 has two next hops.
D. The routing table of R1 contains two equal-cost default routes.

Answer: B,C

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Understanding the BGP and IS-IS Network Topology in the Question:
* IS-IS Areas:
* Area 49.0001 (Level-1 IS-IS): Contains R1, R2, R4, R5.
* Area 49.0002 (Level-2 IS-IS): Contains R3, R6.
* R2 acts as an ABR (Area Border Router) and redistributes routes between Level-1 and Level-2 using import-route isis level-2 into level-1.
* BGP Route Reflection & Peering:
* R2 and R5 are Route Reflectors (RRs).
* iBGP peering is established among all routers (R1, R2, R3, R4, R5, R6).
* R1 and R4 import 192.168.1.0/24 into BGP, meaning this prefix will be advertised to all iBGP peers.
* R3 and R6 import 192.168.2.0/24 into BGP, meaning this prefix will also be advertised to all iBGP peers.
Route Distribution Analysis:
A: The route 192.168.2.0/24 in the routing table of R4 has two next hops. # (Correct)
* R3 and R6 import 192.168.2.0/24 into BGP.
* R2 and R5 (Route Reflectors) learn this route and reflect it to their clients (R1, R3, R4, R6).
* R4 receives two valid paths to 192.168.2.0/24 via R2 and R5 (both iBGP peers).
* Since both routes have the same BGP attributes and cost, they are installed as equal-cost paths in R4's routing table.
# Statement A is correct: The routing table of R4 has two next hops for 192.168.2.0/24.
B: The routing table of R1 contains two equal-cost default routes. # (Incorrect)
* In an IS-IS Level-1-2 setup, default routes are usually provided to Level-1 routers from an ABR (like R2).
* However, the question does not mention that R1 is receiving two default routes or that it is in an equal-cost multipath (ECMP) scenario.
* R1 may have only one default route, depending on route preference and cost.
# Statement B is incorrect: The routing table of R1 does not necessarily contain two equal-cost default routes.
C: The routing table of R4 contains two equal-cost default routes. # (Incorrect)
* Similar to R1, R4 is also a Level-1 router in IS-IS.
* If R4 were receiving default routes from multiple ABRs (R2 and R5), then it could have equal- cost paths.
* However, there is no indication that R4 is receiving two default routes in this scenario.
# Statement C is incorrect: The routing table of R4 does not necessarily contain two equal-cost default routes.
D: The routing table of R1 contains the route 192.168.2.0/24. # (Correct)
* R3 and R6 import 192.168.2.0/24 into BGP.
* R2 and R5 (Route Reflectors) reflect this route to their iBGP peers, including R1.
* Since R1 is an iBGP client of R2 and R5, it will receive 192.168.2.0/24 and install it in its routing table.
# Statement D is correct: The routing table of R1 contains the route 192.168.2.0/24.
Final Conclusion:
# A. The route 192.168.2.0/24 in the routing table of R4 has two next hops.# B. The routing table of R1 does not necessarily contain two equal-cost default routes.# C. The routing table of R4 does not necessarily contain two equal-cost default routes.# D. The routing table of R1 contains the route
192.168.2.0/24.
Thus, the correct answers are: A, D.

NEW QUESTION # 115
On the OSPFv3 network shown in the figure, area 1 is a common are
a. Which of the following statements are true?

A. The LSDBs of R4 and R5 are the same.
B. The LSDBs of R1, R2, and R3 are the same.
C. R1, R2, and R3 generate Inter-Area-Prefix-LSAs.
D. If R5 imports an external route, R4 does not need to rely on the Inter-Area-Router-LSA to calculate the external route.

Answer: A,C

NEW QUESTION # 116
In OSPF, the A, BR will convert all type 7 L SAs in the NSSA area to type 5 L SAs.

A. False
B. True

Answer: A

NEW QUESTION # 117
......

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