Certifications are there to assure the employer that A) you know something B) you are able to be trained. The reason you use 20-30% is because few jobs on the planet require you to know everything. The certification assures that you are at least well read on whatever 20-30% is thrown your way.
Certifications are there to assure the employer that A) you know something B) you are able to be trained. The reason you use 20-30% is because few jobs on the planet require you to know everything. The certification assures that you are at least well read on whatever 20-30% is thrown your way.