Candidates who pass a written exam must wait a minimum of 180 days to retake the same exam.This policy applies to CCIE written exams and Career Certifications exams with identical exam numbers.

• 思科考试的新规则：已经通过的考试，重新考同一科目的话，需要间隔180天，无论是职业认证考试还是CCIE笔试。