As someone who has only passed a course, but has no real world experience, you shouldn't expect just to jump in to a senior role - you need to gain some real world experience first - and that usually means starting at the bottom and progressing your way up. The CCNP is your ticket through the door, and will help differentiate you from any other applicant who hasn't studied.
Saying you get "bored quickly" isn't something that you should ever say to a prospective employer - and isn't how real life work happens. There will be many times you will get stuck with something that is not as exciting as you'd like, but you need to get it done anyway. Prove your skills in whatever role you can get, work hard, even if it's "boring", then, once you have the real world experience, other opportunities may evolve.
Wayne
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