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The H12-831_V1.0 exam covers a wide range of topics related to advanced routing and switching technologies. These include the design and implementation of large-scale networks, the use of advanced routing protocols, the configuration of complex network services, and the troubleshooting of network issues. H12-831_V1.0 Exam also covers the latest technologies in the field, including virtualization, software-defined networking (SDN) and network function virtualization (NFV).

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Validate Your Skills with Huawei H12-831_V1.0 HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Exam Dumps

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Huawei H12-831_V1.0 (HCIP-Datacom-Advanced Routing & Switching Technology V1.0) certification exam is a globally recognized certification that is highly valued by employers and IT professionals. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification is designed for professionals who have advanced knowledge and skills in the field of data communication and are capable of designing and implementing advanced routing and switching solutions. If you are looking to advance your career in the field of data communication, the H12-831_V1.0 Certification is definitely worth considering.

Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q27-Q32):

NEW QUESTION # 27
There are multiple types of MAC address entries on a switch. Which of the following entries are manually configured and cannot be aged out?

Answer: A,C


NEW QUESTION # 28
According to this picture, you can judge

Answer: B,C


NEW QUESTION # 29
On an enterprise network shown in the figure, if CE2 is dual-homed to PE2 and PE3, a routing loop may occur during the exchange of Type 3 LSAs. To prevent the loop, the dn-bit-set disable command can be run on PE2 and PE3.

Answer: B

Explanation:
# Background:
* This is an MPLS VPN with OSPF as the PE-CE routing protocol .
* CE2 is dual-homed to both PE2 and PE3 , creating the possibility of route feedback/loops between the PEs through CE2.
# What Causes the Loop?
* Normally, when a route is redistributed from BGP into OSPF on the PE, the OSPF DN bit is set in the Type 3 or Type 5 LSA.
* The DN bit tells other routers: " Do not redistribute this route back into BGP ."
* CE2, not understanding the DN bit, may ignore it and re-advertise the route from PE2 to PE3 and vice versa.
# Problem:
* If both PE2 and PE3 accept the redistributed LSA from CE2 and re-inject it into the VPN, a routing loop can occur.
# Solution:
* To avoid this, Huawei supports the command:
bash
CopyEdit
dn-bit-set disable
* This command disables DN-bit marking on the PE, avoiding potential loop prevention issues with non- DN-bit-aware CEs.
# Final answer: A. TRUE
Official Huawei Extract:
" In dual-homing OSPF VPN scenarios, routing loops may occur due to Type 3 LSA exchange if the CE does not process DN-bit. Running dn-bit-set disable on the PE prevents loop issues by not setting the DN-bit. "
- [Huawei HCIA-Datacom Certification Guide - OSPF in MPLS VPN and DN-Bit Handling]


NEW QUESTION # 30
On the network shown in the figure, EBGP peer relationships are established between neighboring routers through directly connected interfaces. The AS number is 6500X, where X is the number of the router. Both Rl and R4 have static routes to 192.168.1.0/24, which are imported to BGP through the import-route command. By default, in the routing table of R3, which of the following is the AS_Path attribute carried in the route to 192.168.1.0/24?

Answer: D


NEW QUESTION # 31
The security protection actions that a secure MA, C address can perform does not include which of the following?

Answer: B


NEW QUESTION # 32
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