Select two addressing methods that provide Internet access while conserving public IPv4 addresses. (Choose two.)

IPv6 addressing is the long-term solution to IPv4 address exhaustion, offering a vastly larger address space that eliminates the need for address conservation techniques. PAT (Port Address Translation) with private internal addressing allows multiple devices on a private network to share a single public IPv4 address. This conserves public IPv4 addresses by mapping many private IP addresses to one public IP address using different port numbers. A single public Class A network would consume a large block of public addresses without conservation. Private networks only would prevent direct internet access. Requesting custom addresses from ARIN (American Registry for Internet Numbers) is not a conservation method; it's how organizations obtain public IP addresses, which are increasingly scarce.