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300-510 · Question #232

300-510 Question #232: Real Exam Question with Answer & Explanation

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Core Routing

Question

Refer to the exhibit. An engineer at a large ISP is troubleshooting suboptimal routing on a customer's IS-IS network with multiple Level 1-2 routers. The network consists of numerous routers that are configured for MPLS. When IS-IS picks the closest Level 1-2 router to exit the area, suboptimal routing occurs in Area 8 and Area 10. The other IGP protocols are running correctly, and the IS-IS adjacency between routers is established. Which action resolves the issue?

Options

  • ARedistribute Level 2 prefixes into Level 1 on router 2.
  • BDisable advertisement of the default route on router 2.
  • CConfigure each interface as either Level 1 or Level 2 circuit type on router 1.
  • DConfigure the router as DIS for each of the interfaces on router 1.

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Topics

#IS-IS#Level 1-2 Routing#Suboptimal Routing#L2 into L1 Advertisement
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