The Cisco Certified Networking Associate (CCNA) certification demonstrates that you are able to install, configure, operate, and troubleshoot Cisco networks. Although training for CCNA exams is difficult, the potential benefits to your career are numerous. According to the Bureau of Labor Statistics, network and computer system administrators earned a median salary of nearly $60,000 in 2004, and job growth in these fields is projected to be over 27% through 2014. The sooner you begin training, the sooner you could be employed as an IT professional.