A firewall is either software or dedicated hardware that exists between the network and the resource being protected. this network security device monitors traffic to or from the network. It is based on set of rules about what data packets will be allowed to enter or leave a network.
Answer:
The answer is "Option C".
Explanation:
The /var method can also be used to override the values of the current variable, or generate, and assign values to new variables. It generates a local variable, that can be modified via the -g switch, and other choices are not correct, which can be described as follows:
- In option A, It is incorrect because it uses to store temporary data file.
- In option B, It is used by a system administrator, that's why it is incorrect.
- In option D, It isn't correct because it prints a warning message.
Order a disk to program the lap top to use Wi-Fi
I believe it is b so I will just leave it at that
