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Frame Relay does not provide flow or error control, they must be provided by the ______

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Frame Relay does not provide flow or error control, they must be provided by the ______

(a) Lower Level Protocol

(b) Highest Level Protocol

(c) Upper Level Protocol

(d) Lowest Level Protocol

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This interesting question is from Frame Relay in portion Frame Relay of Computer Network

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The correct choice is (c) Upper Level Protocol

Explanation: Frame relay only provides error detection using CRC. If errors are detected, the upper-layer protocols, such as TCP are expected to provide error correction features. Network layer provides flow control.

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