Question

A(n) ____________________ is hardware or software that blocks or allows transmission of information packets based on criteria such as port, IP address, and protocol.

Answer 1

The answer is "Packet Filter(144-145)".

Step-by-step explanation:

This technique is used in firewalls, which monitors access to the network, track data transmission packets, transfer or stop based on IP protocols and ports.

• This approach is often used to test modulation packets.
• It also used to control performance and provides security.
• This mechanism also used in the IPv6.