Question: 4. Consider the network shown below. Suppose AS3 and AS2 are running OSPF for their intra-AS routing iBGP are used for the inter-AS routing protocol.

 4. Consider the network shown below. Suppose AS3 and AS2 are

4. Consider the network shown below. Suppose AS3 and AS2 are running OSPF for their intra-AS routing iBGP are used for the inter-AS routing protocol. Initially suppose there is no physical link between AS2 and AS4 4b 4c 4a 3c AS4 ?? 3b 2b 1b AS3 AS2 1d AS1 a. Router 4c learns about prefix x from which routing protocol: OSPF, RIP, eBGP, or iBGP? b. Router 3b learns about x from which routing protocol? c. Router 1a learns about x from which routing protocol? d. Router 1c learns about x from which routing protocol

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