Levels and Areas JN0-352 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   How is route leaking implemented in IS-IS?

   • ALevel 1-2 routers advertise selected Level 2 routes into the Level 1 area using Level 1 LSPs.
   • BLevel 2 routers redistribute IS-IS routes into OSPF.
   • CLevel 1 routers install static routes to all inter-area destinations.
   • DLevel 1 routers advertise their routes into the Level 2 area using Level 2 LSPs.
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   How does a Level 1-2 router behave with respect to Level 1 and Level 2 adjacencies?

   • AIt can only form adjacencies with other Level 1-2 routers.
   • BIt can form adjacencies with Level 1, Level 2, and other Level 1-2 routers.
   • CIt can only form Level 2 adjacencies.
   • DIt can only form Level 1 adjacencies.
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   A service provider runs IS-IS with multiple areas. A new router is being added to connect a customer site in area 10 to the provider's backbone in area 0. The router must participate in both the customer's area and the backbone. Which IS-IS level configuration should be applied to this router?

   • ALevel 1 with route leaking enabled
   • BLevel 1 only
   • CLevel 2 only
   • DLevel 1-2
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   What is the purpose of route leaking in IS-IS?

   • ATo allow Level 1 routers to learn about specific inter-area destinations instead of relying only on a default route.
   • BTo reduce the size of the Level 1 link-state database.
   • CTo replace the need for Level 2 routing.
   • DTo prevent routing loops between areas.
   Reveal Solution Discussion Select an answer first
6. 10application · medium

   An IS-IS network has a Level 1 area with two Level 1-2 routers connecting to the Level 2 backbone. The administrator wants Level 1 routers in this area to prefer a specific Level 1-2 router for inter-area traffic. What should the administrator do?

   • AConfigure route leaking on the preferred Level 1-2 router only.
   • BDecrease the metric on the Level 1 interface of the preferred Level 1-2 router.
   • CIncrease the metric on the Level 1 interface of the preferred Level 1-2 router.
   • DDisable the attached bit on the non-preferred Level 1-2 router.
   Reveal Solution Discussion Select an answer first