What are three benefits of using IPv6?（）

• A、IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.
• B、IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.
• C、IPv6 eliminates the need for private to public NAT using a large address pool.
• D、IPv6 provides backward compatibility with IPv4 using the Next Header field.
• E、IPv6 represents large IP addresses using dotted decimal notation.