Match List-I and List-II:
| List-I | Layer | List-II | Description |
|---|---|---|---|
| (a) | Physical layer | (i) | Provide token management service |
| (b) | Transport layer | (ii) | Concerned with transmitting raw bits over a communication channel |
| (c) | Session layer | (iii) | Concerned with the syntax and semantics of the information transmitted |
| (d) | Presentation layer | (iv) | True end-to-end layer from source to destination |
Physical layer is responsible for transmitting raw bits over a communication channel.
So,
(a) Physical layer $\rightarrow$ (ii)
Transport layer provides true end-to-end communication from source to destination.
So,
(b) Transport layer $\rightarrow$ (iv)
Session layer provides services like dialog control and token management.
So,
(c) Session layer $\rightarrow$ (i)
Presentation layer deals with syntax and semantics of transmitted information.
So,
(d) Presentation layer $\rightarrow$ (iii)
Hence, correct matching is:
(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
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