Q9. What is the default interval for sending hello packets on multi-access networks configured to use OSPF?
A. 10
B. 20
C. 30
D. 60
Correct Answer: A
Explanation:
The "hello" packets are sent periodically out of each interface using IP multicast addresses. The hello interval specifies the frequency in seconds that a router sends hellos. This is 10 seconds on multi access networks.
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