Which of these are name resolution related files?

Which of these are name resolution related files?

(Select TWO that apply)

A.
/etc/hosts

B.
/etc/nsswitch.conf

C.
/etc/lmhosts

D.
/etc/man

E.
/etc/dns.conf

Explanation:
/etc/hosts is the local name resolution "database" and /etc/nsswitch.conf tells the lookup programs if they have to look into /etc/hosts to find hostnames

C) is used for WINS name resolution (Lan Manager Hosts)
D) does not exist
E) does not exist (DNS server configuration file is called named.conf)