Four types of S-frames
List out the four types of S-frames?
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Four types of S-frames are described as: a) Receive ready (RR). Value of the code sub field is 00. b) Receive not ready (RNR). Value of the code sub field is 10. c) Reject (REJ). Value of the code sub field is 01. d) Selective reject (SREJ). Value of the code sub field is 11.
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