Exam 640-875 Question id=4882 Routed Network Technologies I

Which two statements about classful or classless routing protocol operations are true?

A. Classful routing protocols do not send subnet mask information with theirrouting updates.
B. Variable-length subnet masks are supported when using classful routing protocols.
C. Examples of classless routing protocols include RIPv1, EIGRP, OSPF, andIS-IS.
D. Classful routing protocols do not support discontiguous subnets.

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