Which statement is true, as relates to classful or classless routing?

A. Automatic summarization at classful boundries can cause problems on discontinuous subnets

B. EIGRP and OSPF are classful routing protocols and summarize routes by default

C. RIPv1 and OSPF are classless routing protocols

D. Classful routing protocols send the subnet mask in routing updates








 

Suggested Answer: A



This question is in CCNA 200-125 exam 
For getting CCNA Certificate


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