Which of the following causes may result in a BGP peer relationship fault? (Multiple Choice)

Enterprise services have strict requirements for QoS in networks. Which of the following counters can be used to indicate network QoS. (Multiple Choice)

Coaxial cables are used to carry video signals of cable TVs but not data signals.

Assume that you received a phone call at your office seat. An employee said he/she could not access the Internet on the PC and needed your technical support. Then you ran the ping command on his/her PC and ran the tracert command to check where packet loss occurred. Which of the following troubleshooting methods is used in this process?

When a Huawei router serves as an SSH client and attempts to log in to another Huawei router, the login fails. It is suspected that the SSH server configuration is incorrect. Which of the following causes is the most impossible for the server fault?