How to forward to a border router? Consider the network shown below. Suppose AS1, AS2, AS3, and AS4 are running OSPF for their intra-AS routing protocol and that all links have a weight of 1. Initially suppose there is no link between AS2 and AS4. Once router 1d learns about destination x, it will need to install a forwarding table entry to x.Indicate which one of the statements below are true

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3b 3c AS 3 3a 4b 4c AS 4 4a 1c AS 1 1a 1b Z1 22 1d 2a 2c AS 2 2b 3b 3c AS 3 3a 4b 4c AS 4 4a 1c AS 1 1a 1b Z1 22 1d 2a 2c AS 2 2b