Which of the following should the technician perform NEXT to improve the security of the SOHO network?

A technician is tasked with improving the security of a SOHO network. The office is comprised of a
single wireless router located under the front desk where the office manager sits. All desktop
computers are wired into the router which is configured with strong device credentials.
Additionally, wireless is disabled on the router. Which of the following should the technician
perform NEXT to improve the security of the SOHO network?

A.
Disable the router’s remote management feature.

B.
Enable WPA2 wireless encryption.

C.
Change the router’s default admin name and password.

D.
Place the router in a locked room.

Explanation:
http://network.cmu.ac.th/wp-content/uploads/2011/05/CCNA-Security-Ch2-SecuringNetwork-Devices.pdf