Final answer:
The combination of the ISAKMP and OAKLEY protocols is IPSec. IPSec is a suite of protocols used to secure internet communication.
Step-by-step explanation:
The combination of the ISAKMP and OAKLEY protocols is IPSec. IPSec stands for Internet Protocol Security and is a suite of protocols used to secure internet communication. ISAKMP (Internet Security Association and Key Management Protocol) is a protocol used for establishing security associations and negotiating keys, while OAKLEY is a key exchange protocol.