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2016 October Cisco Official New Released 400-051 Dumps in Lead2pass.com!
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QUESTION 496
You consider using RPL in a new loT environment. Which definition of a DIO is true?
A. A DIO is an ICMPv6 RPL control message whose main function is to perform DODAG secure message counters
B. A DIO is an ICMPv4 RPL control message whose main function is to perform DODAG discovery, formation, and maintenance
C. A DIO is an ICMPv6 RPL control message whose main function is to perform DODAG discovery, formation, and maintenance
D. A DIO is an ICMPv4 RPL control message whose main function is to propagate destination information in a RPL network
