In an IP packet, what is the maximum size of an IP header?

In an IP packet, what is the maximum size of an IP header?

a) 20 B
b) 4 B
c) 14 B
d) 60 B

From the BUET MSC (ICT) July 2021 – MCQ exam, question 38 of 57.

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All questions in BUET MSC (ICT) July 2021 – MCQ