Drag and drop the descriptions from the left onto the routing protocol they describe on the right.
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uses areas to segment a network summaries can be created in specific parts of the IGP topology summaries can be created anywhere in the IGP topology DUAL algorithm

OSPF uses areas to segment a network OSPF summaries can be created in specific parts of the IGP topology EIGRP summaries can be created anywhere in the IGP topology EIGRP DUAL algorithm