Answer:
<u>Returns the average (arithmetic mean) of the arguments.</u>
Explanation:
For example, if the range A1:A20 contains numbers, the formula =AVERAGE(A1:A20) returns the average of those numbers.
<u><em>(I hope this helps!)</em></u>
Answer:
<em>Block all ports except 80</em>
Explanation:
We can make our network more defensive by blocking all ports except 80. This strategy can reduce the risk of attackers. If all the ports that are not in used are not in used can make system or network insecure. To enhance the security and reduce the risk of attacks we block all the ports that are not in used.
Using this strategy on people visit who need the data and attacker cannot access the system, without consent of owner.
Answer: knowing what you spend".
Explanation:
The reason to use cash for making purchases is to know how much one has spent.
When we use cash rather than using credit card, it's easier for one to know how much that has been spent. Also, one can easily know when he or she need to stop spending. Therefore, the correct answer is "knowing what you spend".
Answer:
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