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Regarding the description of the redundant physical dedicated line, which of the following is wrong?
- A . Redundant physical dedicated lines are more reliable to prevent accidents and ensure smooth business operations
B. Redundant dedicated lines require users to set up the main physical dedicated line and backup physical dedicated line by themselves
C. When two dedicated lines are connected to different access points in the same area, the two physical dedicated lines are mutually redundant
D. When a physical dedicated line fails, the system will automatically switch to another physical dedicated line
Suggested Answer: B
Posted : 05/02/2023 9:39 pm