To reach a bank web site, the traffic from workstations must pass through a firewall. You have been asked to review the firewall configuration to ensure that workstations in network 10.10.10.0/24 can only reach the bank web site 10.20.20.1 using https.
Which of the following firewall rules meets this requirement?
A . If (source matches 10.10.10.0/24 and destination matches 10.20.20.1 and port matches 443) then permit
B . If (source matches 10.10.10.0/24 and destination matches 10.20.20.1 and port matches 80 or 443) then permit
C . If (source matches 10.20.20.1 and destination matches 10.10.10.0/24 and port matches 443) then permit
D . If (source matches 10.10.10.0 and destination matches 10.20.20.1 and port matches 443) then permit
Answer: A