| Abbreviation | Definition |
|---|---|
| DTA | Data Transfer Area |
| DTA | Directory Tree Analyzer |
| DTE | Domain Type Enforcement |
| DTI | DSL Tracking Inquiry |
| DTM | Data Transfer Mechanism |
| DTN | Data Transmission Network |
| DTN | Delay Tolerant Network |
| DTP | Dynamic Trunking Protocol |
| DTR | Data Transfer Rate |
| DTR | Dedicated Token Ring |
| DTRS | Digital Trunked Radio System |
| DTS | Dynamic Transport Switching |
| DTSB | Divide, Multiply, Subtract, Bring down |
| DTU | Data Transfer Unit |
| DUAL | Diffusing Update ALgorithm |
| DUN | Dial Up Networking |
| DUN | Digital User Networking |
| DUP | Dial-Up Networking |
| DUPS | Dial- Up Power Switch |
| DUPS | Dial-Up Power Switch |