QUESTION: 145

Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)

Router LSA
Network LSA
Summary Network LSA
Summary Router LSA

Answer(s): A,B

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In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding Type 4 LSA generation is true?

Router R1 generates a Type 4 LSA that is flooded to areas 0, 1, and 2.
Router R3 generates a Type 4 LSA that is flooded to areas 0, 1, and 2.
Router R3 generates a Type 4 LSA that is flooded to areas 0 and 2.
Router R3 generates a Type 4 LSA that is flooded to area 0, and router R6 generates a Type 4 LSA that is flooded to area 2.

Answer(s): D

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QUESTION: 147

Which of the following best describes how IS-IS routers exchange updates on an Ethernet interface?

IS-IS routers exchange updates by sending UDP packets to a multicast address.
IS-IS routers exchange updates using IP multicast packets.
IS-IS routers exchange updates using Ethernet multicast packets.
IS-IS routers exchange updates by sending packets to the subnet broadcast address.

Answer(s): C

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QUESTION: 148

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For the IS-IS network shown, and assuming point-to-point links, what adjacencies will router R1 establish?

L1/L2 adjacency with router R2. L1 adjacency with router R3
L2 adjacency with router R2
L1 adjacency with router R3
L1/L2 adjacency with router R2 L1/L2 adjacency with router R3
L1/L2 adjacency with router R2. L1 adjacency with router R4
L1 adjacency with router R3

Answer(s): B

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QUESTION: 148