[Answer] 1.A 2. CD 3.B 4.C 5.A
[Winner] Saqib123, DKetrari, Vien, hugu, bobi
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Hello, everyone!
Join the Community Learning week Transmission&Access Maintenance Basics!
Network class learning time of this phase: Jul.19th - Jul.23th.
Answer time of this class: Jul.20th, 2 AM - Jul. 21th, 10 AM (UTC+0)
Class topic
Post 1. NE Database Backup, Check, and Restoration
In case of a hardware fault of the system control board, device power failure, device reset, or database file corruption, you need to use the backup database file to quickly rectify the fault. This is the most effective means and the last resort to restore all configurations on the NE...More
Post 2. Common Fault Location Methods
Default generates alarms and causes performance issues. Determine the fault type and location by analyzing these alarms and performance issues...More
Post 3. Fault Diagnosis: Basic Principles
When a fault occurs, field data is first collected and saved for troubleshooting. Fault diagnosis relies on the correct location of the faulty site...More
Post 4. Board Replacement Guide
Replacing a board is a common operation in transport network maintenance. Follow the scientific procedure when replacing aboard. Otherwise, services will be interrupted for a long time or hardware will be damaged...More
Post 5. Heat Dissipation of Equipment at High Temperatures
High temperature is the top 1 factor that triggers problems in WDM products. This document provides guidance on how to perform an inspection to check for high-temperature risks in advance...More
Class topic
After attending this class, please answer the following questions and comment with the answers below this post.
1. If data is not backed up, services may not be restored quickly when a configuration loss occurs.
A. True
B. False
2. (Multiple-Choices Question)According to the loopback direction, what are the types of loopback operations?
A. Software loopback
B. Hardware loopback
C. Inloop
D. Outloop
3. When troubleshooting a WDM network fault, do we first check and analyze multi-wavelength faults or single-wavelength faults?
A. Single-wavelength fault
B. Multi-wavelength faults
C. Analyze both single-wavelength and multi-wavelength
4. After a new board is installed, we need to observe the indicators. lt takes 10 minutes for a new board to work normally. Ensure that the STAT indicator is steady green. Otherwise, .
A. Wait another 10 minutes.
B. No need to handle
C. Reinsert or replace the board
5. During routine maintenance, clean the air filters. If the air filters are not cleaned for a long time, the device temperature will rise, which may cause service interruption.
A. True
B. False
Hope you get good grades, come and enjoy this learning party! ![Network class - Jul. 19th [Community Learning Week • Phase 3]-4039197-2](https://forum.huawei.com/community/static/nopack/UEditor/dialogs/emotion/images/tsj/t_0003.gif)



