The following is an excerpt from the output of tcpdump -nli eth1 ‘udp’: 13:03:17.277327 IP
192.168.123.5.1065 > 192.168.5.112.53: 43653+ A? lpi.org. (25) 13:03:17.598624 IP
192.168.5.112.53 > 192.168.123.5.1065: 43653 1/0/0 A 24.215.7.109 (41) Which network
service or protocol was used?

A.
DNS

B.
FTP

C.
HTTP

D.
SSH