CCNP ENCOR is the qualifying exam for you to sit for the CCIE Exam and it is 1 of 2 exams required to enter the CCNP Enterprise Certification. So it has dual purpose.
It is what is considered essential knowledge to prepare you for the CCIE lab exam but this doesn't include the expert level of skill and experience that you would want to understand before sitting for the CCIE Lab exam.
When you pass the ENCOR exam, you will have a cisco specialization certification too.
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