Answer:
D
Explanation:
because it is a administrative procedure
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.
1. Upgrading RAM increases run speed.
2. Upgrading Hard Drive increases memory.
3. Adding more ROM to it..?
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