What is the difference between packet filtering and a proxy server? A proxy filters packets of data; packets filter all data.
Packets filter packets of data; proxy servers filter all data.
Packets filter spam; proxy filters viruses.
A proxy filters spam; packets filter viruses.

A proxy operates at the application layer, as well as the network and transport layers of a packet, while a packet filter operates only at the network and transport protocol layer

The Answer is B. Packets filter packets of data; proxy servers filter all data.

Explanation:

it says it in the lesson just read it next time buddy

answer; code of ethicsi believe is the correct answer;

your answer is confidentiality