Answer:
Enable secret.
Explanation:
When both commands are enabled IOS will only accept that password which configured in the hidden command allow.
So, when the user has configured the allow hidden code from the terminal, accompanied by the allow password code. Then, enable secret command describes the password you must have entered to reach privileged mode
Resistance is often represented by Ω, (pronounced Ohm). The symbol itself is actually omega though, which is the Greek symbol for O.
So your answer is a.
I guess the correct answer is class C network.
In IPv4 addressing, an IP address whose first octet is in the range of 192–223 belongs to a class C network.