You want requests from the same internal transport address to be mapped to the same external transport
address. Only internal hosts can initialize the session. Which Junos configuration setting supports the
requirements?

A.
any-remote-host

B.
target-host

C.
source-host

D.
address-persistent

Explanation:
http://www.juniper.net/techpubs/software/junos-security/junos-security96/junos- security-swconfigsecurity/understand-persistent-nat-section.html