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17 Questions

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OSPF Routing Protocol Packets

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Questions and Answers

What type of packets are exchanged by routers running OSPF to convey routing information?

Control packets

Routing packets

Link-state packets (correct)

Data packets

Which OSPF database is responsible for creating the neighbor table?

Link-state database

Adjacency database (correct)

Forwarding database

Topology database

How does OSPF build the topology table?

By random selection

Using results of Dijkstra SPF algorithm calculations (correct)

Based on routing table entries

By exchanging link-state update packets

What type of algorithm does OSPF use to calculate the shortest path to a destination?

Dijkstra SPF algorithm Signup and view all the answers

Where are OSPF tables like LSDB and forwarding database maintained?

RAM Signup and view all the answers

Which database is used by OSPF to place the best routes for routing?

Forwarding database Signup and view all the answers

What is the first step completed by OSPF routers in the link-state routing process?

Establish Neighbor Adjacencies Signup and view all the answers

What type of packets do OSPF-enabled routers send out to determine if neighbors are present on the links?

Hello Packets Signup and view all the answers

What information do Link-State Advertisements (LSAs) exchanged by routers in OSPF contain?

State and cost of each directly connected link Signup and view all the answers

What does the Link State Database (LSDB) hold in an OSPF-enabled router?

Information about the topology of the area Signup and view all the answers

After receiving LSAs, what do OSPF-enabled routers do to maintain routing information?

Build the Link State Database Signup and view all the answers

What is the purpose of executing the SPF algorithm in OSPF?

To build the SPF tree Signup and view all the answers

In OSPF, which routers are referred to as Area Border Routers?

Routers that connect different OSPF areas Signup and view all the answers

What determines whether a route will be inserted into the IP routing table in OSPF?

If it has a lower administrative distance than other routes Signup and view all the answers

What routing feature does OSPF utilize to enhance efficiency and scalability?

Areas Signup and view all the answers

What is the best practice recommendation regarding OSPF areas?

Use only area 0 for simplicity Signup and view all the answers

What type of OSPF implementation involves routers in different areas connecting to area 0?

Multiarea OSPF Signup and view all the answers