A technician has received several reports from users about slow Internet speeds. The technician can ping the router with 2ms response times and an outside website with 450ms response times. Which of the following is the NEXT step the technician should take?
A. Check the router WAN interface for input errors.
B. Check the DNS server.
C. Verify the local switch is operating properly.
D. Verify ICMP is permitted through the firewall.