Consider the following diagram depicting a VPN network for a company. Assume there are n travelling salespersons. How many security associations (SAs) will be stored in the Security Association Database (SAD) of the IPSec router in the headquarters? How many SAs will be stored in the SAD of the IPSec router in the branch office? How many SAs will be stored in the SAD of each salespersons laptop?

Public Internet laptop w/ IPsec P IPsecSecure salesperson in hotel Router w IPv4 and IPsec Router w/ IPv4 and IPsec branch office headquarters Public Internet laptop w/ IPsec P IPsecSecure salesperson in hotel Router w IPv4 and IPsec Router w/ IPv4 and IPsec branch office headquarters