A company has three branch locations and one core site with an IBM Tivoli Storage Manager
FastBack Server installed at each site. Each location is protected by a firewall. The IT
administrator just installed a TSM Fastback DR Hub Server on a new server in the core site.
Which firewall ports must be allowed for communication between the TSM FastBack DR Hub
Server and other TSM FastBack Servers?

A.
ftp – 20 and 21

B.
telnet – 23

C.
https – 443

D.
tsm – 1500 and 1501