What causes an adjacency to change from down to two ways?

• A.When a link state update is received in response to a link state request.
• B.When a router receives a database description packet from a neighbor.
• C.When a router receives a Hello packet that contains its own router ID in the neighbor list from a neighbor.
• D.When a link state acknowledgement is received in response to a link state update.

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Which of the following are similarities between OSPF and IS-IS? Choose two answers.

• A.Slow convergence after link failures.
• B.Metric is based on hop count.
• C.Support hierarchy through the use of areas.
• D.Support for CIDR.
• E.Link state updates sent using layer 3 multicast.

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Identify two attributes of Distance Vector Protocols: (Choose two)

• A.Maintain multiple databases: neighbor, topology and routing.
• B.Use split horizon by default.
• C.Use holddown timers when topologies change to allow for convergence.
• D.Send information about directly connected links to neighbors at periodic intervals.

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What are some of the characteristics of Nokia's implementation of non-stop routing? (Choose two)

• A.No protocol extensions required
• B.Only supported by OSPF and IS-IS
• C.Transparent to routing neighbors
• D.Uses Graceful Restart to inter-operate with other vendors

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In an OSPF Hello packet what fields must match all neighbor routers on the segment? (Choose 3)

• A.DR and BDR addresses
• B.The list of neighbors
• C.Area ID
• D.Stub flag
• E.Hello and Dead Intervals

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