300-101 Question 18
What is the default OSPF hello interval on a Frame Relay point-to-point network?
A. 10
B. 20
C. 30
D. 40
Correct Answer: A
Explanation/Reference:
Before you troubleshoot any OSPF neighbor-related issues on an NBMA network, it is important to remember that an NBMA network c an be configured in these modes of operation with the ip ospf network command:
Point-to-Point
Point-to-Multipoint
Broadcast
NBMA
The Hello and Dead Intervals of each mode are described in this table:
Hello Interval Dead Interval
Network Type
(secs) (secs)
Point-to-Point 10 40
Point-to-Multipoint 30 120
Broadcast 10 40
Non-Broadcast 30 120
Reference: http://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13693- 22.html
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