Regarding the description of the redundant physical dedicated line, which of the following is wrong?

Question

Options

• ARedundant physical dedicated lines are more reliable to prevent accidents and ensure smooth
• BRedundant dedicated lines require users to set up the main physical dedicated line and backup
• CWhen two dedicated lines are connected to different access points in the same area, the two physical
• DWhen a physical dedicated line fails, the system will automatically switch to another physical dedicated

• A
  8% (2)
• B
  71% (17)
• C
  17% (4)
• D
  4% (1)

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