Four routers run IS-IS and have established adjacencies. The area numbers and router levels are marked in the figure. If route penetration is configured on the R3 device, what is the Cost value for…

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

Advanced IP Routing and Multicast

Question

Four routers run IS-IS and have established adjacencies. The area numbers and router levels are marked in the figure. If route penetration is configured on the R3 device, what is the Cost value for R4 to reach 10.0.2.2/32?

Exhibit

Options

How the community answered

(47 responses)

A
2% (1)
B
85% (40)
C
4% (2)
D
9% (4)

Topics

#IS-IS#route penetration#cost calculation#Level-1/Level-2

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