NETWORK LAYER
UNICAST ROUTING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is globally significant and is used to represent the AS number.
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It is locally significant and is used to identify an instance of the OSPF database.
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It is globally significant and is used to identify OSPF stub areas.
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It is locally significant and must be the same throughout an area.
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Detailed explanation-1: -The router ospf process-id command is the beginning of any Cisco IOS OSPF configuration. It is used to create or modify an existing OSPF routing process and enters the user into OSPF router configuration mode.
Detailed explanation-2: -The OSPF (Open Shortest Path First) protocol is one of a family of IP Routing protocols, and is an Interior Gateway Protocol (IGP) for the Internet, used to distribute IP routing information throughout a single Autonomous System (AS) in an IP network.
Detailed explanation-3: -OSPF will work very well whether the process ID is the same or is different within the area. The only time that it really matters much what the value of the process ID is, is when there is more than one OSPF process running on the router.