To obtain the ENCE certification a candidate must accomplish which two of the following tasks?

a. Pass a written exam with a score of 71% or higher.
b. Pass a written exam with a score of 80% or higher.
c. Examine a media set within 3 months and provide a report with an accuracy of 80% or higher.
d. Examine a media set within 2 months and provide a report with an accuracy of 85% or higher.

b. d.