5. Consider hosts X, Y, Z, W and learning bridges B1, B2, B3, with initially emp

Q: 5. Consider hosts X, Y, Z, W and learning bridges B1, B2, B3, with initially emp

Answer:---------- a). Bridge B1 learn where X is ? Yes Y's network interface will see this packet. b). Bridge B3 learn where Z is ? Yes Y's network interface will see this packet. c). Bridge B2 learn where X is ? No Z's network interface will not see this packet. d). Bridge B3 learn where X is ? Yes W's network interface will see this packet.

ID: 3710459 • Letter: 5

Question

5. Consider hosts X, Y, Z, W and learning bridges B1, B2, B3, with initially empty forwarding tables, as in the following figure. B1 B2 B3 (a) Suppose X sends to Z. Which bridges learn where X is? Does Y's network (b) Suppose Z now sends to X. Which bridges learn where Z is? Does Y's (c) Suppose Y now sends to X. Which bridges learn where Y ?s? Does Z's (d) Finally, suppose Z sends to Y. Which bridges learn where Z is? Does W's interface see this packet? network interface see this packet? network interface see this packet? network interface see this packet?

Explanation / Answer

Answer:----------

a). Bridge B1 learn where X is ? Yes Y's network interface will see this packet.

b). Bridge B3 learn where Z is ? Yes Y's network interface will see this packet.

c). Bridge B2 learn where X is ? No Z's network interface will not see this packet.

d). Bridge B3 learn where X is ? Yes W's network interface will see this packet.

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5. Consider hosts X, Y, Z, W and learning bridges B1, B2, B3, with initially emp

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