Refer to the exhibit. How many interfaces on R1 should be configured as ip nat inside to grant external access to the entire network?
A. 1
B. 3
C. 4
D. 5
How many interfaces on R1 should be configured as ip nat inside to grant external access to the entire network?
If you look closely FA0/1 has two sub-interfaces (both marked as fa0/1.1 but i think its a typo)
2 sub-interfaces + 2 physical interfaces = 4
I think C is correct
Correct answer is B. There are 4 interfaces on the R1 router. The 4th interface should be configured with ip nat outside