Question: 2. (32 points) Random Access. (a) Compare, briefly in 1 or 2 sentences, unslotted Aloha with CSMA/CD according to the followin g. (4 pt.) The

2. (32 points) Random Access. (a) Compare, briefly in 1 or

2. (32 points) Random Access. (a) Compare, briefly in 1 or 2 sentences, unslotted Aloha with CSMA/CD according to the followin g. (4 pt.) The kinds of channel feedback required. (4 pt.) The retransmission methods. (4 pt.) Which one (give reasons) works better if the propagation delay is large? - (4 pt) Which one (give reasons) works better when the load is high? 2. (32 points) Random Access. (a) Compare, briefly in 1 or 2 sentences, unslotted Aloha with CSMA/CD according to the followin g. (4 pt.) The kinds of channel feedback required. (4 pt.) The retransmission methods. (4 pt.) Which one (give reasons) works better if the propagation delay is large? - (4 pt) Which one (give reasons) works better when the load is high

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