Resources & Tools for CCNA are available on CCNA.com.
The website contains links like CCNA question and answers, CCNA training, CCNA Exam Preparation questions, forums and blogs related to CCNA exam.
CCNA is the acronym for the Cisco Certified Network Associate certification from Cisco.
CCNA certifications (including specialties) are valid for three years.
Web : http://www.ccna.com/