2. [5+3+2pts] 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 lPSec 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 salesperson's laptop? Public Internet laptop w/ IPsec sec ecure salesperson in hotel Router w/ P4 and IPsec Router w IPv4 and IPsec branch office headquarters 2. [5+3+2pts] 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 lPSec 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 salesperson's laptop? Public Internet laptop w/ IPsec sec ecure salesperson in hotel Router w/ P4 and IPsec Router w IPv4 and IPsec branch office headquarters