Citrix has applied a 24 hour retake policy for candidates who our attempting to take an exam a second time.

无论第一次考试是通过还是未通过，需要等待24小时后，才能参加第二次考试。

youdao

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。

youdao

This year, seeking to retake the policy initiative, the ICI is pushing regulatory and legal changes it claims are in the interests of small investors.

FORBES