A Security Administrator is notified that some long-lasting Telnet
connections to a mainframe are dropped every time after an hour. The Administrator suspects that the
Security Gateway might be blocking these connections. As she reviews the Smart Tracker the 350-001
Administrator sees the packet is dropped with the error "Unknown established connection". How can
she resolve this problem, without causing other security issues? Choose the BEST answer. She can: 640-802
A. increase the session time-out in the mainframe's Object Properties.
B. create a new TCP service object on port 23, and increase the session time-out for this object. She only uses
this new object in the rule that allows the Telnet connections to the mainframe.
C. increase the session time-out in the Service Properties of the Telnet service.
D. increase the session time-out in the Global Properties.
E. ask the mainframe users to reconnect every time this error occurs. VCP-310
Answer: B
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