2. The following corresponds to an HDLC ABM frame exchange. Complete the diagram by completing the labeling of the frame exchanges. (10M) 1 N R (i) _,_,FO, _ (ii) _,_,F1, _ (iii) _, _, F, _ (iv) __, _, F, _ ,REJ, (vi) _,,_, (vii) __,I, (viii) RNR, (ix) (x). 2. The following corresponds to an HDLC ABM frame exchange. Complete the diagram by completing the labeling of the frame exchanges. (10M) 1 N R (i) _,_,FO, _ (ii) _,_,F1, _ (iii) _, _, F, _ (iv) __, _, F, _ ,REJ, (vi) _,,_, (vii) __,I, (viii) RNR, (ix) (x)