The four routers run IS-IS and have established an adjacency relationship. The area numbers and router levels are marked in the figure. What is the cost of R4 reaching 10.0.2.2/32?

The correct answer is C. 50. See the full explanation below for the reasoning.

Question

The four routers run IS-IS and have established an adjacency relationship. The area numbers and router levels are marked in the figure. What is the cost of R4 reaching 10.0.2.2/32?

Options

How the community answered

(34 responses)

A
15% (5)
B
3% (1)
C
76% (26)
D
6% (2)

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