When is an IPSec SA built on the Teleworker Router?（）
- Awhen the router is booted up
- Bwhen the router administratively does a no shutdown" on the IPSec SA
- Cwhen traffic matches a line of the access-list tied into the crypto-map in the router configuration, and that particular IPSec SA is not already up
- Dwhen the ISAKMP SA completes negotiation of all IPSec SAs (one per access-list line in the crypto ACL), it will be brought up immediately