Security+ Exam Prep Question of the Week By James Michael Stewart January 25, 2013 What is the default port for TFTP? UDP 21 TCP 21 UDP 69 TCP 69 The correct answer is 3. The default port of TFTP is UDP 69. Related Courses Security+ Certification Boot Camp (SYO-301) Security+ Prep Course (SYO-301) CompTIA Advanced Security Practitioner (CASP) Prep Course In this article CertificationCompTIASecuritySecurity+Technology Join the Conversation Cancel Reply Will not be published. Website Notify me of follow-up comments by email. Notify me of new posts by email.