Exam 200-310 Question id=373 Addressing and Routing Protocols in an Existing Network

Which option is used by OSPF to reduce the flooding domain of database updates in a network?

A. hello packets
B. virtual links
C. interface cost
D. areas


the answers are mixed, do not specify in the comment number or the letter of the answer
please write answer#A instead A, answer#B instead B...

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