A.Break the cluster, upgrade the units independently, and then form the cluster

B.Upgrade the active unit, which will upgrade the standby unit automatically

C.Upgrade the standby unit, and then upgrade the active unit

D.Upgrade both units at the same time

A.The Sender pattern should be set to *@example.com

B.The Sender IP/netmask should be set to 10.29.1.45/32

C.The Recipient pattern should be set to 10.29.1.45/24

D.The Action should be set to Relay

E.The Enable check box should be cleared

A.172.16.32.57

B.172.16.32.1

C.172.16.32.56

D.172.16.32.55

A.Header analysis

B.Behavior analysis

C.Impersonation analysis

D.Content disarm and reconstruction

A.Email must originate from an example.com email address to match this rule

B.Senders must be authenticated to match this rule

C.Email matching this rule will be relayed

D.Email from any host in the 10.0.1.0/24 subnet can match this rule