Which of the following is true about RADIUSV end or Specific Attribute？ （）

• A、 The RADIUSVendor Specific Attribute type is decimal 26.
• B、 A radius server that does not understandthevendor-specific information sent by a clientmust reject the authentication request.
• C、 A vendor can freely choose theVendor-ID it wants to use when implementing Vendor Specific Attributes as long as the same Vendor-ID is used on all of its products.
• D、 Vendor Specific AttributeMUST include the Length field.
• E、 In Cisco’s Vendor Specific Attribute implementation， vendor-ID of 1 is commonly referred to as Cisco AV（Attribute Value） pairs.
• F、 Vendor Specific Attributes use a RADIUS attribute type between 127 and 255.