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Question 7 of 184
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C is correct. OSPF will only generate a summary route if there are specific subnets within the summary range that are active in the routing table since there are no routes within the 10.0.0.0/8 network in the routing table, OSPF has no more specific routes to summarize and therefore the summary route is not generated. The summary-address command is used on OSPF ASBR.
given answer is the correct.
the command "summary-address" is used to summary external routes (O E1/2) in ASBR. The command "redistribute static" in the question makes the router a ASBR. To summary inter area routes into ABRs you use "area x range" command. In both cases the summary route is advertised only if the RIB has a route that matches the summary prefix.