The four routers run IS-IS and have established adjacency. The area numbers and router levels are shown in the figure. Which of the following is correct?

Question

Options

• AThe LSP of R4 does not exist in the LSDB of R3 router
• BThe LSP of R4 does not exist in the LSDB of the R2 router
• CThe LSP of R4 does not exist in the LSDB of the R1 router
• DThe LSP of R1 exists in the LSDB of R4 router

• A
  4% (1)
• B
  4% (1)
• C
  11% (3)
• D
  82% (23)

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