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The entire hostname has a maximum of ___________

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The entire hostname has a maximum of ___________

(a) 255 characters

(b) 127 characters

(c) 63 characters

(d) 31 characters

This question was posed to me in semester exam.

This is a very interesting question from DNS in section Application Layer of Computer Network

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Right answer is (a) 255 characters

Easy explanation: An entire hostname can have a maximum of 255 characters. Although each label must be from 1 to 63 characters long. Host name is actually a label that is given to a device in a network.

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