What is the best definition of the use of "Area 0" in OSPF?
Options
A. Area 0 is used for administrative reasons, and is restricted from user definition
B. Area 0 is defined as the backbone, designed to be at the center of all routing updates,and controls the dissemination of updates between areas
C. Area 0 is used to authenticate messages received from other routers in the same area
D. Area 0 is used for forwarding all routing updates received within the same Autonomous System from directly connected areas only
E. Area 0 allows for routing updates to be forwarded between different Autonomous Systems
Answer: B
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