You need to configure the DNS server to allow delivery of e-mail messages. Which four actions should you perform?()
A.Create a host (A) resource record for EX1.fourthcoffee.com on the internal DNS Server
B.Create a host (A) resource record for EX1.fourthcoffee.com on the external DNS Server
C.Create a host (A) resource record for EX3.fourthcoffee.com on the internal DNS Server
D.Create a host (A) resource record for EX3.fourthcoffee.com on the external DNS Server
E.Create a mail exchange (MX) resource record for EX1.fourthcoffee.com on the external DNS server. Set the preference to 10
F.Create a mail exchanger (MX) resource record for EX1.fourthcoffee.com on the internal DNS server. Set the preference to 10
G.Create a mail exchanger (MX) resource record for EX3.fourthcoffee.com on the external DNS server. Set the preference to 20
H.Create a mail exchanger (MX) resource record for EX3.fourthcoffee.com on the internal DNS server. Set the preference to 20