Answer:
Rule based Attack.
Explanation:
As password cracking is a technique used to extract user’s password of application/files without the knowledge of the legitimate user. The attacker can use Rule Based Attack to find the password and to intrude or compromise the network and systems.
This is like a programming language to generate the password. This involves functions to modify, cut, edit and extend the generally used terms by the user.
It's a test Where you can research your answers Like the internet,Library,etc to find your answers.
The answer is B. A only. The optimum valve timing is found through experimentation using an engine dynamometer. The timing of the opening and closing of the valves is called valve timing. So the use of dynamometer measures the power output of a machine that is why it can measure the optimum valve timing.