Levels and Areas JN0-352 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   What is the primary role of Level 2 routing in IS-IS?

   • ATo exchange host routes within an area
   • BTo route traffic between different areas
   • CTo route traffic within a single area
   • DTo provide default routing for all routers
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2. 12expert · hard

   An IS-IS network has a Level 1-2 router that is experiencing high CPU usage. The router is connected to both a Level 1 area and the Level 2 backbone. The administrator suspects that the router is processing too many LSPs. What is the most effective way to reduce the number of LSPs the router processes?

   • AConfigure the router as Level 1 only.
   • BUse mesh groups to reduce LSP flooding.
   • CConfigure the router as Level 2 only.
   • DUse route leaking to reduce the number of LSPs.
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A network administrator is troubleshooting an IS-IS network where Level 1 routers in area 10 cannot reach destinations in area 20. The Level 1-2 router connecting the two areas is operational. What is the most likely cause of the issue?

   • AThe Level 2 backbone is not configured with route leaking.
   • BThe Level 1 routers are not configured with a static default route.
   • CThe Level 1-2 router is not setting the attached bit in its Level 1 LSP.
   • DThe Level 1 routers are not configured with the same area ID.
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5. 14application · medium

   A network engineer is designing an IS-IS network for a company with two sites. Each site will be a separate area. The engineer wants to ensure that routers in each site can reach each other, but they do not want to maintain a full mesh of adjacencies between the sites. What is the most efficient design?

   • AConfigure one router in each site as Level 1-2 and the rest as Level 1.
   • BConfigure all routers as Level 1 only and rely on the default route.
   • CConfigure all routers as Level 1-2.
   • DConfigure all routers as Level 2 only.
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6. 15expert · hard

   A network administrator is designing an IS-IS network with multiple Level 1 areas. The administrator wants to ensure that Level 1 routers have specific routes to all inter-area destinations, but is concerned about the size of the routing tables. What is the best approach?

   • AEnable route leaking only for frequently accessed destinations.
   • BEnable route leaking on all Level 1-2 routers.
   • CDisable route leaking and rely on the default route.
   • DConfigure all routers as Level 2 only.
   Reveal Solution Discussion Select an answer first