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Header of a frame generally contains ______________

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Header of a frame generally contains ______________

(a) synchronization bytes

(b) addresses

(c) frame identifier

(d) all of the mentioned

This question was addressed to me during an online interview.

This is a very interesting question from Data Link Layer in portion OSI Model of Computer Network

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Right answer is (d) all of the mentioned

To explain: In a frame, the header is a part of the data that contains all the required information about the transmission of the file. It contains information like synchronization bytes, addresses, frame identifier etc. It also contains error control information for reducing the errors in the transmitted frames.

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