Question: If we add a unidirectional channel among two nodes previously not directly connected, in a unidirectional fing topology: (a) all node pairs can exchange data

If we add a unidirectional channel among two nodes previously not directly connected, in a unidirectional fing topology: (a) all node pairs can exchange data using two different paths (b) the possible paths among each node pair do not change (c) some node pairs can exchange data using two different paths (d) some node pairs can no longer exchange data

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