Security+ Exam Prep Question of the Week By James Michael Stewart January 4, 2013 What ports does SNMP operate over? UDP 161 and 162 TCP 20 and 21 TCP 53 and UDP 53 TCP 25 and 110 The correct answer is 1. The SNMP service/protocol operates over UDP ports 161 and 162. Related Courses Security+ Certification Boot Camp (SYO-301) Security+ Prep Course (SYO-301) CompTIA Advanced Security Practitioner (CASP) Prep Course In this article CertificationCompTIACybersecuritySecurity+Technology Join the Conversation Cancel Reply Will not be published.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.