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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:

Section	Objectives
Advanced Routing Protocols	- OSPF Advanced Concepts 1. LSA types and area types 2. Route calculation and optimization - IS-IS Routing Protocol 1. IS-IS configuration and troubleshooting 2. IS-IS topology and levels
Network Design and Troubleshooting	- Enterprise network design 1. Redundancy and reliability design 2. Hierarchical network design - Troubleshooting methods 1. Performance optimization 2. Fault isolation techniques
IPv6 and Network Services	- IPv6 routing technologies 1. IPv6 addressing and routing 2. Transition mechanisms - Network services 1. DHCP and NAT concepts 2. Network security basics
MPLS and VPN Technologies	- VPN technologies 1. L2VPN principles 2. L3VPN architecture - MPLS fundamentals 1. LDP basics 2. Label switching mechanism
BGP and Internet Routing	- BGP fundamentals 1. BGP path selection 2. Route policies and attributes - Advanced BGP features 1. Route reflection 2. Confederation

Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:

Question 1

On the network shown in the figure, IS-IS IPv6 runs on R2, R6, and R3, and the IPv6 address of Loopback0 on R6 is 2000::6/128. OSPFv3 runs on other links. Area 1 is a stub area, and area 2 is an NSSA. ISIS routes are imported to OSPFv3 on R2 and R3. Which of the following methods can enable R4 to ping 2000: :6?

A. Configure the ipv6 default-route-advertise always level-1 command in the IS-IS process of R2.
B. Configure the attached-bit advertise always command in the IS-IS process of R3.
C. Configure the ipv6 default-route-advertise always level-1 command in the IS-IS process of R3.
D. Configure the attached-bit advertise always command in the IS-IS process of R2.

Question 2

An administrator runs the display mpls Isp command to view LSPs on a device. The command output is shown in the figure. Which of the following statements are true?

A. For the traffic destined for 3.3.3.3, the device is the penultimate transit device.
B. Traffic sent from GE0/0/0 of the device to 1.1.1.1 carries label 1026.
C. For the traffic destined for 1.1.1.1, the device is the last hop, that is, the egress device.
D. Traffic sent from GEO/0/1 of the device to 3.3.3.3 does not carry any label.

Question 3

On the network shown in the figure , SW3 is the user gateway and DHCP relay agent .
The administrator plans to configure DHCP snooping on SW3 to prevent DHCP attacks .

Which of the following commands does not need to be configured on SW3?

A. [SW3-GigabitEthernet0/0/1] dhcp snooping enable
B. [SW3-GigabitEthernet0/0/2] dhcp snooping enable
C. [SW3-GigabitEthernet0/0/3] dhcp snooping trusted
D. [SW3] dhcp snooping enable ipv4

Question 4

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 and R5. In AS 65000, R1, R3, R4, and R6 each establish IBGP peer relationships with R2 and R5. R2 and R5 are 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 R1 contains two equal-cost default routes.
B. The routing table of R4 contains two equal-cost default routes.
C. The route 192.168.2.0/24 in the routing table of R4 has two different outbound interfaces.
D. The routing table of R1 contains the route 192.168.2.0/24.

Question 5

On the OSPF network shown in the figure, area 1 is a common area, area 2 is a stub area, and area 3 is an NSSA. R5 imports an external route 10.0.5.5/32. Given this, which of the following routers does not have the route 10.0.5.5/32 in its routing table?