Match List I with List II. List I: (a) Physical layer, (b) Transport layer, (c) Session layer, (d) Presentation layer. List II: (i) Provides token management service, (ii) Concerned with transmitting raw bits over a communication channel, (iii) Concerned with the syntax and semantics of the information transmitted, (iv) True end-to-end layer from source to destination.

1. A(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
2. B(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
3. C(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
4. D(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)

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Correct answer: C. (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

Explanation

Physical: raw bits; transport: end to end; session: token management; presentation: syntax and semantics.