A security administrator suspects that an increase in the amount of TFTP traffic on the network is due to
unauthorized file transfers, and wants to configure a firewall to block all TFTP traffic.
Which of the following would accomplish this task?
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A.
Deny TCP port 68
B.
Deny TCP port 69
C.
Deny UDP port 68
D.
Deny UDP port 69
Explanation:
Trivial File Transfer Protocol (TFTP) is a simple file-exchange protocol that doesn’t require authentication. It
operates on UDP port 69.