Which three are features http://www.certifyme.com/ 640-821.htm of Open Shortest Path First (OSPF) routing? (Choose three)
A. By default, peridoc updates are sent every 30 seconds between routers
B. Maximum hops are http://www.certifyme.com/ 640-822.htm limited only by the size of the routing tables within routers
C. 15 maximum router hops
D. Updates routing http://www.certifyme.com/ 642-812.htm tables when network topology changes occur
E. Uses a path cost routing metric



