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Which of the following lines would you expect to see in the file /etc/services?

Which of the following lines would you expect to see in the file /etc/services?

A.
in.tftpd: LOCAL

B.
tftp dgram udp wait root /usr/sbin/tcpd in.tftpd

C.
tftp 69/udp

D.
udp 17 UDP

Explanation/Reference:
services is a plain ASCII file providing a mapping between human-friendly textual names for internet services, and their underlying assigned port numbers and protocol types.  Every networking program should look into this file to get the port number (and protocol) for its service.

A) /etc/hosts.allow
B) /etc/inetd.conf
D) /etc/protocols

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