CCNAS PT Practice SBA - need help!

Hello all!
I attended the CCNA Security, I had partial exams and now I have a problem: practical test, meaning "CCNAS PT Practice SBA". At first attempt I got 56% and 71% in the second. The problem is that always I make the same mistakes, and I fail to find additional materials to solve them. Or even make sense of "CCNAS PT Practice SBA" to practice to make it perfect. Can anyone help me?

Below you can download files results I obtained from examination on "SBA CCNAS PT Practice"!


Can anyone help me in any way, please?