At which layer of the OSI model does error checking occur with IPv6？（）

A. You do not need to configure a RADIUS client policy.

B. You must know the exact model number of the Infranet Enforcer.

C. You must specify the NACN password of the device in the RADIUS client policy.

D. You do not need to designate a location group to which the Infranet Enforcer will belong.

A.to use the classification to route traffic

B.to use the classification to reorder packets from various sources

C.to use the classification to discard malformed packets

D.to use the classification to provide the configured service level

A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.

B. An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.

C. An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.

D. An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.

A.radius override nas-ip-addr

B.radius source-ip-address 10.13.7.55

C.radius update-source-address 10.13.7.11

D.radius authentication server 10.13.7.55