Which of the following describes the serial connection between two routers using the High-level Data Link Control (HDLC) protocol?
- Synchronous or asynchronous bit-oriented transmissions using a universal frame format
- Synchronous bit-oriented transmissions using a frame format that allows flow control and error detection
- Asynchronous bit-oriented transmissions using a frame format derived from the Synchronous Data Link Control (SDLC) protocol
- Asynchronous bit-oriented transmissions using a V.35 DTE/DCE interface
Explanation: HDLC is a bit-oriented synchronous data link layer protocol developed by the International Organization for Standardization (ISO). HDLC was developed from the Synchronous Data Link Control (SDLC) standard proposed in the 1970s. HDLC provides both connection-oriented and connectionless service.
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