Minors between the ages of 13 and 17 who apply for CCNA need to get the consent of their parents or legal guardians first; 2. Children under the age of 13 cannot test or get certified even if they get the consent of their parents or legal guardians; 3. Those who have reached the age of 18 have no age restriction and are eligible for certification and there is no educational requirement as well, any education level can be applied for the test. Prerequisites for obtaining CCNA certification It is not necessary for the candidates to hold any certificate to apply for CCNA and also there is no hard and fast rule for the age, education and foreign language proficiency of the candidates, but they need 2 valid documents such as ID card and credit card, driver's license, student ID card, passport and so on. Applying for ccna has no requirements for education and specialization, but the exam is an English exam, so you need to have a certain level of English. ccna registration needs to be registered on the official website of VUE, and the appointment for the exam will be arranged uniformly after the registration.