CompTIA A+ 220-901 – Q444

A technician is installing a 2.4GHz wireless router for a doctor’s office. The doctor ‘s office is located between a dentist’s office and a restaurant. The dentist’s office and the restaurant both have existing wireless routers that respectively broadcast on channels 1 and 6.
Which of the following channels should the technician select for the doctor’s office’s wireless router during installation to MINIMIZE interference with the other business’ routers?

A. 1
B. 3
C. 6
D. 11
E. 40

Correct Answer: D