CompTIA Network+ Exam Review

Answer: D - CARP is a protocol used for IP address redundancy across networked devices.

Key takeaway: Common Address Redundancy Protocol is an open source protocol that is used as a failover mechanism typically for firewalls and routers. CARP allows multiple nodes on a network to use the same IP address. ARP is the Address Resolution Protocol used to map IP addresses to MAC addresses. RARP is the Reverse ARP used to map MAC addresses to IP addresses.