CompTIA Network+ Question A-91

Users have reported poor network performance. A technician suspects a user may have maliciously flooded the network with ping request. Which of the following should the technician implement to avoid potential occurrences from happening in the future?

A. Block all ICMP request
B. Update all antivirus software
C. Remove all suspected users from the network
D. Upgrade firmware on all network cards

Correct Answer: A