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Huawei H12-831_V1.0-ENU Exams Torrent, Exam H12-831_V1.0-ENU Study Guide

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Huawei H12-831_V1.0 : HCIP-Datacom-Advanced Routing is an advanced IT certification course that is designed to improve the skills and knowledge of IT professionals in the area of data communication and routing. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification equips the IT professionals with the knowledge and skills that they need to build, manage, and maintain complex network infrastructures using routing and switching protocols.

Huawei H12-831_V1.0-ENU Certification Exam is ideal for IT professionals who want to advance their careers in the field of advanced routing and switching technology. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification is highly regarded by employers and can lead to a range of career opportunities in the IT industry, including network engineer, network administrator, and network architect. Additionally, the certification can help IT professionals to stand out in a crowded job market and increase their earning potential.

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Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q125-Q130):

NEW QUESTION # 125
On the network shown in the figure, the network administrator deploys DHCP snooping on the switch to defend against bogus DHCP server attacks.

Which of the following interfaces should be configured as the DHCP trusted interface?

A. GE0/0/2
B. GE0/0/3
C. GE0/0/1
D. GE0/0/4

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Understanding DHCP Snooping and Trusted/Untrusted Ports
1. What is DHCP Snooping?
* DHCP Snooping is a security feature that prevents rogue DHCP servers from providing unauthorized IP configurations to clients.
* It categorizes switch ports into:
* Trusted Ports: Allow DHCP Offer and ACK messages from a legitimate DHCP server.
* Untrusted Ports: Block unauthorized DHCP responses to prevent rogue DHCP attacks.
Analyzing the Network Setup in the Figure
Interface
Connected Device
DHCP Role
Should it be Trusted?
GE0/0/1
PC1 (DHCP Client)
Requests DHCP leases
# Untrusted
GE0/0/2
DHCP Server (Legitimate)
Provides DHCP leases
# Trusted
GE0/0/3
Web Server
Not involved in DHCP
# Untrusted
GE0/0/4
Bogus (Rogue) DHCP Server
Malicious DHCP Server
# Untrusted & Blocked
* GE0/0/2 is connected to the legitimate DHCP server, meaning it should be marked as a TRUSTED interface.
* GE0/0/4 connects to a bogus DHCP server, which must be UNTRUSTED to block unauthorized DHCP responses.
* GE0/0/1 (Client) and GE0/0/3 (Web Server) do not need to be trusted.
# Thus, the correct answer is: D. GE0/0/2.
Final Conclusion:
# GE0/0/2 should be configured as the trusted DHCP interface.# GE0/0/1 (Client) should remain untrusted.# GE0/0/3 (Web Server) does not need DHCP trust.# GE0/0/4 (Bogus DHCP Server) should be blocked.
Thus, the correct answer is: D. GE0/0/2.

NEW QUESTION # 126
A network engineer entered the following information when troubleshooting OSPF faults. Based on this, you can judge what causes the adjacency relationship to fail to be established normally?

A. Authentication passwords do not match
B. Hell. Inconsistent message sending interval
C. Inconsistent area type
D. interfaceIPInconsistent address masks

Answer: D

NEW QUESTION # 127
As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO

A. False
B. True

Answer: A

NEW QUESTION # 128
As shown, all routers run OSPF. Which of the following statements is correct?

A. R2WillR1GeneratedRouter LSAforward toR3
B. R2only in area0generated inRouter LSA
C. R2in the area1and area0will generateRouter LSA
D. R2WillR3GeneratedRouter LSAforward toR1

Answer: C

NEW QUESTION # 129
The figure shows the logical network architecture of a migration project. The purpose of the migration is to enable terminals in different geographical locations to communicate with each other and deploy the gateway of the terminals on the PE routers.
After the migration is complete, which of the following methods can be used by network engineers to preliminarily check the network connectivity?

Options:

A. On PE1 and PE2, checking whether the ARP table contains the ARP entry of the peer network segment.
B. Configuring NQA on PE1 and PE2, with the destination address being the IP address of each other.
C. On PE1 and PE2, checking whether there are routes to each other's network segment in the routing tables.
D. On PE1, using 192.168.1.1 as the source address to ping 192.168.2.1.

Answer: B,C,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding the Network Setup
* PE1 (Provider Edge 1) is the gateway for network 192.168.1.1/24.
* PE2 (Provider Edge 2) is the gateway for network 192.168.2.1/24.
* A cloud-based backbone connects PE1 and PE2.
* To verify end-to-end communication, engineers need to check reachability between PE1 and PE2.
2. Evaluating Each Answer Option
* Option A: "Configuring NQA on PE1 and PE2, with the destination address being the IP address of each other."
* # Correct.
* NQA (Network Quality Analysis) is a network testing tool that allows connectivity testing between two devices.
* Configuring NQA between PE1 and PE2 will verify end-to-end reachability.
* Option B: "On PE1 and PE2, checking whether the ARP table contains the ARP entry of the peer network segment."
* # Incorrect.
* ARP (Address Resolution Protocol) is only used for resolving MAC addresses within the same broadcast domain.
* Since PE1 and PE2 are in different network segments (separated by a routed network), they will not have ARP entries for each other.
* Instead, routing entries should be checked, not ARP.
* Option C: "On PE1, using 192.168.1.1 as the source address to ping 192.168.2.1."
* # Correct.
* A simple ping test using the source address of PE1 (192.168.1.1) to reach PE2 (192.168.2.1) will verify whether routing between the two locations is functional.
* Option D: "On PE1 and PE2, checking whether there are routes to each other's network segment in the routing tables."
* # Correct.
* If routing is not configured correctly, PE1 and PE2 will not know how to reach each other.
* Checking the routing table ensures that both PEs have the correct next-hop information.
Final Answer:
# A, C, and D are correct.
HCIP-Datacom-Advanced Routing & Switching Technology References:
* Using NQA for Network Connectivity Testing
* Verifying Routing Table Entries for Inter-Network Communication
* Understanding ARP and Its Limitations in Routed Networks

NEW QUESTION # 130
......

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