lgp9999,
Believing is the very first of a long trek of steps that evetually get you there... :-)
2 years ago I didn't even have an A+, today I'm A+, N+, MCP, MCSA 2003 certified, finishing my CCNA/CCNP.
If you know you are able, then you are. Thats all that matters.
Everything else is dust...