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Return value of the UDP port “Chargen” is _______

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Return value of the UDP port “Chargen” is _______

(a) String of characters

(b) String of integers

(c) Array of characters with integers

(d) Array of zero’s and one’s

I had been asked this question in a job interview.

My question comes from UDP topic in division Transport Layer of Computer Network

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Right choice is (a) String of characters

The best I can explain: Using Chargen with UDP on port 19, the server sends a UDP datagram containing a random number of characters every time it receives a datagram from the connecting host. The number of characters is between 0 and 512.

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