Referring to the previous problem, once router 1d learns about x it will put anentry (x

Chapter 4, Problem P38

(choose chapter or problem)

Referring to the previous problem, once router 1d learns about x it will put anentry (x, I) in its forwarding table.a. Will I be equal to I1 or I2 for this entry? Explain why in one sentence.b. Now suppose that there is a physical link between AS2 and AS4, shown bythe dotted line. Suppose router 1d learns that x is accessible via AS2 aswell as via AS3. Will I be set to I1 or I2? Explain why in one sentence.c. Now suppose there is another AS, called AS5, which lies on the pathbetween AS2 and AS4 (not shown in diagram). Suppose router 1d learnsthat x is accessible via AS2 AS5 AS4 as well as via AS3 AS4. Will I be setto I1 or I2? Explain why in one sentence.

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