Which of the following is true about RADIUS Vendor Specific Attribute? (Choose 3)

A.
A radius server that does not understand the vendor-specific information sent by a client must reject the authentication request

B.
The RADIUS Vendor Specific Attribute type is decimal 26

C.
Vendor Specific Attribute MUST include the Length field

D.
In Cisco’s Vendor Specific Attribute implementation, vendor-ID of 1 is commonly referred to as Cisco AV (Attribute Value) pairs.

E.
Vendor Specific Attributes use a RADIUS attribute type between 127 and 255.

F.
A vendor can freely choose the Vendor-ID it wants to use when implementing Vendor Specific Attributes as long as the same Vendor-ID is used on all of its products.