Which three protocols are required when considering firewall rules for email services using a Cisco Email
Security Appliance? (Choose three.)
A.
SMTPB. HTTP
C.
DNS
D.
SNMP
E.
FTP
Which three protocols are required when considering firewall rules for email services using a Cisco Email Security Appliance?
Which three protocols are required when considering firewall rules for email services using a Cisco Email
Security Appliance? (Choose three.)