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Multi-area OSPF Configuration Lab in Cisco Packet Tracer

Configuring OSPF in Area 0 and Area 1 (on R1, R2, and R3) such that PC1 from Area 0 would be able to ping PC2 and PC3 in Area 1 successfully. The Loopbacks of all Routers should also be reachable from every other Router.

A network administrator configures an email server to use secure protocols. When the upgrade is completed, which of the following ports on the firewall should be configured to allow for connectivity? (Choose three.)😢😢

A. TCP 25
B. TCP 110
C. TCP 143
D. TCP 389
E. TCP 587
F. TCP 993
G. TCP 995