The number of bits, including headers, that are delivered to the network-layer protocol at the destination is 1,892 bits.
First step is to calculate the total size
Total size=1,500+160+160
Total size=1,500+320
Total size=1,820
Second step is to calculate the packets
Packets=1820/800
Packets = 2.275
Packets=3 (rounded)
Third step is to calculate the bits
Bits = 1820 + 24 × 3
Bits = 1892 bits
Inconclusion the number of bits, including headers, that are delivered to the network-layer protocol at the destination is 1,892 bits.
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