Which of the following statements regarding the device software upgrade necessity are true? (Multiple Choice)
Customer network information and service composition are business secrets of customers and cannot be leaked, obtained without authorization, or sold for operation.
In the structured network troubleshooting process, troubleshooting results are predictable and the troubleshooting impact is controllable, without generating new risks.
Which of the following statements regarding the basic device information check is true?
If you can ping the peer host successfully, which of the following methods is the most appropriate for subsequent troubleshooting?
Which of the following tasks need to be completed during the planning stage of a project? (Multiple Choice)
Which of the following statements regarding the software and configuration backup is true?
A DHCP relay agent exists between a DHCP server and DHCP clients. If IP addresses in the global address pool of the DHCP server and IP addresses of VLANIF interfaces connecting the DHCP relay agent to clients are on different network segments, a DHCP fault will occur.
Switches run the MSTP protocol by default. Which of the following statements regarding the default status is true?
Which of the following steps or measures are taken in the one-by-one check phase of the structured network troubleshooting process? (Multiple Choice)
Which of the following statements regarding network maintenance functions are true? (Multiple Choice)
A local key pair must be configured for a device working as an SSH server.
Which of the following statements regarding NMS usage are true? (Multiple Choice)
A network administrator fails to access devices on the internal network through Telnet. Which of the following causes is the most impossible?
The migration rollback time can be determined based on the actual migration situation without the need to plan in advance.
Which of the following statements regarding border security optimization are true? (Multiple Choice)
During follow-up operations of the structured network troubleshooting process, which of the following parties does not require advertisement of information?
Software upgrade operations are similar for Huawei datacom products. Therefore, before a software upgrade, you only need to briefly read the upgrade guide.