Consider an enterprise network with two Ethernet segments, a web server and a firewall, connected via three routers as shown below.
(A)
3
(B)
12
(C)
6
(D)
8
Answer: (C)
Explanation:
Router’s entry in routing table for each interface = 1 Each interface out of a router = 1 subnet
So, here 2 + 3 + 2 = 7
but 1 is common for router to router so, 7 – 1 = 6
Option, C is the correct answer.
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