Question: Consider the example in Figure 8.29. Suppose Trudy is a woman-in-themiddle, who can insert datagrams into the stream of datagrams going from R1 and R2.

Consider the example in Figure 8.29. Suppose Trudy is a woman-in-themiddle, who can insert datagrams into the stream of datagrams going from R1 and R2. As part of a replay attack. Trudy sends a duplicate copy of one of the datagrams sent from R1 to R2. Will R2 decrypt the duplicate datagram and forward it into the branch-office network? If not, describe in detail how R2 detects the duplicate datagram.

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