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Frame relay has only _______

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in Computer Network by (190k points)
Frame relay has only _______

(a) physical layer

(b) data link layer

(c) physical layer and data link layer

(d) network layer and data link layer

I got this question in a national level competition.

This question is from Frame Relay in division Frame Relay of Computer Network

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Right option is (c) physical layer and data link layer

Explanation: The physical layer is guided by the protocols recognized by the ANSI and provides conversion to frames. The data link layer supports the simplified core functions specified by the OSI model like error detection.

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