Day 26

1. OSPF runs directly over IP protocol number __.

2. When a neighbor router is located, the local router attempts to establish an adjacency, assuming both routers share the same common subnet, are in the same area, and that other parameters, such as ____ are identical.

3. Unlike EIGRP, which can support multiple Network Layer protocols, OSPF can only support the Internet Protocol (IP), specifically IPv4 and IPv6.

4. The OSPF backbone area receives summarized routing information from the ABRs.

5. In Cisco IOS software, OSPF-enabled routers send Hello packets every __ seconds by default on Non-Broadcast network types.

6. OSPF Broadcast network types are those that natively support Broadcast and Multicast traffic, the most common example being ______.

7. The [_____] keyword configures the OSPF Point-to-Multipoint network type as a Non-Broadcast Point-to-Multipoint network.

8. The OSPF process ID is an integer between 1 and ______.

9. Unlike EIGRP, the wildcard mask is mandatory in OSPF and must be configured.

10. The OSPF DR and BDR routers are fully adjacent with each other and all other routers on the segment.

11. In order for a router to be the DR or the BDR for the segment, the router must be elected. This election is based on the following.