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Which of these devices collects the most information on network activity?

a. Intrusion detection systems.
b. System Event Management systems.
c. Firewalls.
d. Packet sniffers.


Sagot :

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.