The CCNA classes online has benefited many individuals that wished to enhance their skills and knowledge with respect to networking. They can now take the course online and complete it at their pace. The average time that is required to complete the CCNA course online is 15-16 hours. Whether you take it in a couple of days or in a week, it is up to you and your abilities. You can even take the course on weekends or as you find time. The idea is to take the course as per the time available and your ability to understand.
Comat is one of the best institutes in Singapore that offers the CISCO certified courses including CCNA.