What is the difference between hdlc and ppp protocol

What 3 sources can configuration commands be placed into RAM? HP Openview B. Console C. Vterminal D. TFTP server E. Identify the keystroke used to terminate the setup mode? Ctrl-K B. Crtl-C C. Ctrl-Z D. It is used for various types of networks that are made up of different physical mediums such as trunk line, fiber optics, serial cable, cellular telephone and phone line.

PPP is used for both synchronous and asynchronous circuits. Broadband connections also use PPP. Although PPP was designed somewhat after the original HDLC specifications, PPP includes many additional features that had been available only in proprietary data link protocols at that moment of time. It does not support authentication i. It is implemented by Point-to-point configuration and also multi-point configurations.

It uses link control protocol LCP to check for quality of the established link. It uses a frame check sequence FCS to detect the error while transmitting the data. FCS is an error-detecting code added to a frame in a communication protocol. It provides a frame format which contains a propriety field.

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