Answer:
I think make a copy maybe
Explanation:
The answer is firewall. It is a network security device that observes inbound and outbound network traffic and chooses whether to allow or block specific traffic based on a well-defined set of security rules. Firewalls have been a first line of protection in network security for over 25 years. The firewall present a barrier between measured and secured internal networks that can be trusted and untrusted outside networks, for example the Internet. A firewall can be software, hardware, or even both.
21...............................
To compare data makes the most sense
I would evaluate baggage and personal belongings, rooms or closets, people's clothing, and if anyone has a weapon.
