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What you need to do: Answer the questions and/or solve the exercises described below. Logical Link Layer Exercise 1 (10 points) Suppose that a message 1011 1101 1000 0111 is transmitted using Internet Checksum (4-bit word). What is the value of the checksum? An n-bit Internet Checksum is computed as follows: 1) Break the stream of bits in n-bit words w, w2, .., and wm 2) Compute the n-bit word S w, + w, if there is a carry then set S = S 1 3) Compute S S+w, if there is a carry then set S S + 1 n) Compute S S+w, if there is a carry then set S S+1 Finally, the Internet Checksum = ~S (one-complement of S)