Select all that apply.

• A

  An IPv6 address is 128 bits long.

• B

  An IPv6 header is 20 bits long.

• C

  An IPv6 header contains the next header field.

• D

  An IPv6 header contains the protocol field.

• E

  IPv6 routers send RA messages.

• F

  An IPv6 header contains the header checksum field.