A technician is helping a customer troubleshoot a problem with a modem. The technician would like to run a HyperTerminal test to determine whether the modem will now connect and the customer only has one phone line. Which of the following would be the BEST action for the technician to take?
A.
Offer to call the customer back to confirm that the HyperTerminal test was successful.
B.
Ask the customer to call back on a different line and continue running HyperTerminal test.
C.
Give the customer a case number and ask the customer to call back if problem continues.
D.
Explain to the customer that follow-up will not be needed.