Router R1 uses a subnet mask 255.255.255.0 and sits on the boundary of area 0 and area 1. Given the
following router in configuration:
Router OSPF 76
Network 172.12.32.0 0.0.15.255 area 1.
Network 172.12.96.0 0.0.15.255 area 0.
Area 0 range 172.12.96.0 255.255.224.0
Area 1 range 172.12.32.0 255.255.224.0
Which three statements are true? (Choose three)
A. An interface on this router with IP address 172.12.32.124 is an area 1.
B. An effect of the fourth line is to reduce the number of route table entries.
C. All networks within a range of 172.12.64.0 to 172.12.95.0 will be summarized from area 0 into area
1.
D. All networks within the range of 172.12.32.0 to 172.12.63.0 will be summarized from area 1 into
area 0.
E. Area 0 can act as a stub or transit area for routes including networks in the range 172.12.96.0 to
255.255.224.0.
