When is personal firewall software recommended in the software access option in the SAFE SMR remote user design environment?

A.
When the VPN tunnel is established.

B.
When the VPN tunnel is not established.

C.
When the ISP does not provide firewall protection.

D.
When firewall protection is provided via the corporate connection.

Explanation:
Because the remote user may not always want the VPN tunnel established when connected to the Internet or ISP network, personal firewall software is recommended to mitigate against unauthorized access to the PC.
Ref: Safe White papers 28
SAFE: Extending the Security Blueprint to Small, Midsize, and Remote-User Networks