Certification & Licensing
This Certificate above verifies the John Gierden successfully completed the courses for Home Network Technician on 03/25/1999 as taught at
CDI College of Business & Technology.
This Certificate above verifies the John Gierden successfully completed the course Basic Home Electrical Wiring by Example and On the Job on 06/29/2025 as taught by Dave Rongey on Udemy.
The certificate indicates the entire course was completed as validated by the student. The course duration represents the total video hours of the course at time of most recent completion.
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