Which of the following components allows the user to select one of several options from a "drop down" menu?

Dedicated enterprise database applications may allow cosmetic changes, but they do not encourage modifications of core data structures.

Answer the following statement true (T) or false (F)

Which of the following files does the hostnamectl command modify to set the hostname on a machine?

A. /etc/hostname B. /etc/host.conf C. /etc/hosts.conf D. /etc/hostname.conf