Junos Enterprise Routing, 2nd Edition

Chapter Review Questions

1. Which of the following defines split horizon?

   1. Sending routes out the interface they were learned from

   2. Sending routes out the interface they were learned from with infinite metric

   3. Holding a recently unreachable route in the table for a fixed time to allow other routers to be notified

   4. Not sending routes out the interface they were learned from

2. When you configure RIP on a Juniper Networks router, how do you specify what interfaces the protocol should operate on?

   1. You use a network statement with a network mask

   2. You use a network statement with a wildcard mask

   3. You specify interface names and logical units explicitly as part of RIP neighbor configuration

   4. You use routing policy

   5. None of the above

3. What command displays the RIP routes a Juniper Networks router is sending out to a given interface?

   1. This is not possible given the LS nature of RIP

   2. show route protocol rip

   3. show route advertising-protocol rip <neighbor>

   4. show route receiving-protocol rip <neighbor>

4. Which type of router generates a Type 2 LSA?

   1. Internal

   2. ABR

   3. ASBR

   4. DR

5. Which is true regarding a stub area with no-summaries?

   1. The area uses a default to reach interarea destinations

   2. The area imports external routes as Type 7 LSAs

   3. The area does not receive Type 3 summary LSAs from the backbone

   4. The area has no OSPF routers in it

6. When you add a new OSPF router to a LAN, what factor(s) determine whether it will become the DR?

   1. Its priority setting

   2. The RID

   3. Whether any other routers are already operating on that LAN

   4. All of the above

7. What determines which ...