Your company has outgrown its existing secure enterprise WAN that is configured to use OSPF, AutoVPN, and IKE version 1. You are asked if it is possible to make a design change to improve the WAN performance without purchasing new hardware. Which two design changes satisfy these requirements? (Choose two.)
A. Modify the IPsec proposal from AES-128 to AES-256
B. Change the IGP from OSPF to IS-IS
C. Migrate to IKE version 2
D. Implement Auto Discovery VPN
Answer:B
Your company has outgrown its existing secure enterprise WAN that is configured to use OSPF, AutoVPN, and IKE version 1. You are asked if it is possible to make a design change to improve the WAN performance without purchasing new hardware. Which two design changes satisfy these requirements? (Choose two.)
A. Modify the IPsec proposal from AES-128 to AES-256 B. Change the IGP from OSPF to IS-IS C. Migrate to IKE version 2 D. Implement Auto Discovery VPN