Answer:
The devices collects the most information on network activity are:
d. Packet sniffers.
Explanation:
Generally, a packet sniffer is a monitoring device which examines streams of data packets that flow between computers on a network and the larger Internet. One of the best packet sniffers is the Wireshark. As a packet sniffer, the Wireshark is also an analysis tool. It captures network traffic on local networks, storing the obtained data for offline analysis.
