Hello,I am a graduate of a reputable institution in nigeria.i graduated with a Bsc. Mathematics. I want to further my studies with a master's degree in geographic information studies. I need help with the right certifications to follow through in the information technology sector.i have been wanting to study ccna all along,a friend of mine who works with oando advised me to go for oracle database with linux.i am thinking of going into study it.now I am a little bit confused.i have little ideas from taking part courses in computer science in the university.can someone please advise me the right way to go about these certifications. ? as a kid, I always wanted to be a computer engineer.i still want to.i need to know where to start from,so I dont regret later.thanks in anticipation