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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network O&M | 7% | - Performance optimization and capacity planning - Network monitoring and management tools |
| Topic 2: IPv6 Routing | 20% | - BGP4+ and IPv6 route deployment - OSPFv3 and IS-IS for IPv6 - IPv6 addressing and transition technologies |
| Topic 3: Network Troubleshooting | 10% | - Fault diagnosis and analysis methods - Troubleshooting routing and switching issues |
| Topic 4: Advanced IGP Features | 17% | - OSPF advanced features and optimization - IGP route selection and control - IS-IS advanced features and convergence |
| Topic 5: Network Cutover and Migration | 7% | - Migration strategies and risk control - Service switchover and verification |
| Topic 6: MPLS Technologies | 19% | - MPLS protection and fast reroute - MPLS basics and label distribution - MPLS VPN and traffic engineering |
| Topic 7: Advanced Ethernet Technologies | 10% | - Advanced link aggregation and reliability - VLAN stacking and QinQ - Ethernet OAM and protection mechanisms |
| Topic 8: Advanced BGP Features | 10% | - BGP route attributes and policies - BGP path control and filtering - Route reflectors and confederations |
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NEW QUESTION # 47
On the OSPF network shown in the figure, the cost values of links are marked, and OSPF IP FRR is enabled on R1. Which of the following statements is false?
Answer: B
NEW QUESTION # 48
If a network engineer wants to clear the console port login password, which of the following needs to be entered?
Answer: C
Explanation:
The displayed BootLoader main menu assigns number 6 to the following option:
6. Password manager submenu
Therefore, the engineer must enter 6 at the Enter your choice (1-8): prompt to access the password- management functions. Inside that submenu, the engineer then selects the separate Clear the console login password option.
The distinction matters: entering 6 does not itself immediately clear the password; it opens the submenu containing the required recovery operation. The other choices perform unrelated functions:
* 5 opens the file-system submenu.
* 3 opens the Ethernet submenu.
* 4 opens the startup-parameters submenu.
Huawei's documented console-password recovery procedure likewise instructs the administrator to restart the device, access the BootLoader main menu, and enter 6 to access the password manager submenu before selecting the console-password-clearing operation. Huawei console-login password recovery procedure .
NEW QUESTION # 49
In the OSPFv3 network shown in the figure, the OSPFv3 related parameters are the default configuration. When checking the LSDB on one of the devices, some content is omitted in the LSDB. The Router IDs of R1, R3, and R4 are 10.0.1.1, 10.0.3.3, and 10.0.4.4 respectively. The Origin Router part of some LSAs is hidden. Please complete this part.
Answer:
Explanation:
NEW QUESTION # 50
A network device has established an OSPF neighbor relationship with another device. The figure shows the configuration of GE0/0/0 on the network device.
Which of the following commands would NOT affect the OSPF neighbor status of the interface?
Answer: B
Explanation:
Comprehensive and Detailed In-Depth Explanation:
To determine the correct answer, we need to analyze how each command impacts OSPF neighbor relationships.
1. Understanding OSPF Neighbor Formation
OSPF routers form neighbor relationships when they meet the following conditions:
* They are in the same subnet (IP addresses and subnet masks must match).
* They are in the same OSPF area.
* They use the same network type (e.g., Broadcast, Point-to-Point).
* Authentication (if configured) must match.
* Hello and Dead timers must match.
2. Analyzing Each Answer Option
# A. " undo ip address 10.0.12.2 24 " # Affects OSPF Neighbor Status
* Removing the IP address will prevent the interface from sending and receiving OSPF Hello packets.
* Without an IP address, OSPF cannot establish neighbor relationships.
* Effect: Breaks OSPF neighbor status.
# B. " undo description " # Does NOT Affect OSPF Neighbor Status
* The interface description is just a label for administrators and has no impact on OSPF functionality.
* It does not affect neighbor relationships, routing, or communication.
* Effect: No impact on OSPF neighbors.
# C. " undo ospf cost " # Affects OSPF Neighbor Status Indirectly
* OSPF cost determines the path selection but does NOT break the neighbor relationship.
* However, if the cost change leads to routing table recalculations, it might cause temporary convergence issues.
* Effect: Does not directly break neighbor status, but affects route selection.
# D. " undo ospf dr-priority " # Affects OSPF Neighbor Status (Possibly Causes DR Re-Election)
* OSPF DR/BDR election uses priority values.
* If changed, a new election might occur, leading to a temporary loss of neighbor relationships.
* Effect: Might cause OSPF neighbor reset (temporary impact on adjacency).
NEW QUESTION # 51
ULA aggregation can be implemented within a physical network by isolating broadcast domains with multiple Sub-LANs and aggregating these Sub-LANs into a logical Super-LAN.
Which of the following descriptions about WAN combinations is correct?
Answer: B
NEW QUESTION # 52
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