It's mean that every 3 years I have to give recertification of each paper.

Yes, you are right! Each CCNP module certification has a validity of 3 years. And as you pass any CCNP module exam, your current and previous certificate validity get extended up to recently passed exam validity. To recertify, You can pass any one of the following exams before your certification expiration date, Pass any current Professional-level exam you are eligible for, Pass any curren... (more)