Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. How many OSPF Type 5 LSAs will
router R1 receive from router R2? Assume the OSPF and IS-IS adjacencies are operational.
Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?