Knowledge Checks

Routing within or among networks.

Match the terms "interdomain routing" and intradomain routing" with their definitions. Recall that in Internet parlance, an “AS” refers to “Autonomous System” – a network under the control of a single organization.

Question List:

Interdomain routing.

Intradomain routing.

Answer List:

Forwarding packets between two physically connected interfaces in a common subnetwork.
Forwarding packets between two interfaces in different but adjacent subnetworks.
Routing among different ASes (“networks”).
Routing among routers within same AS (“network”).

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1/3

Open Shortest Path First (OSPF).

Check the one or more of the following statements about the OSPF protocol that are true.

OSFP uses a Dijkstra-like algorithm to implement least cost path routing.

OSPF implements hierarchical routing

OSPF is an intra-domain routing protocol.

The Open Shortest Path First (OSPF) Internet routing protocol implements a Bellman-Ford distance-vector routing algorithm.

OSPF is an interdomain routing protocol.

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2/3

Open Shortest Path First (OSPF).

Consider the OSPF routing protocol. Which of the following characteristics are associated with OSPF (as opposed to BGP)?

Policy, rather than performance (e.g., least cost path), determines paths that used.

Floods link state control information.

Is an inter-domain routing protocol.

Finds a least cost path from source to destination.

Is an intra-domain routing protocol.

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3/3

Knowledge checks

Routing within or among networks.

Question List:

Answer List:

Open Shortest Path First (OSPF).

Open Shortest Path First (OSPF).