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GATE | GATE IT 2006 | Question 69

A program on machine X attempts to open a UDP connection to port 5376 on a machine Y, and a TCP connection to port 8632 on machine Z. However, there are no applications listening at the corresponding ports on Y and Z. An ICMP Port Unreachable error will be generated by

(A)

Y but not Z

(B)

Z but not Y

(C)

Neither Y nor Z

(D)

Both Y and Z

Answer

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