Suppose a TCP message that contains $2048$ bytes of data and $20$ bytes of TCP header is passed to IP for delivery across three networks interconnected by a router $($i$.$e$.,$ it travels from the source host to a router to the destination host$).$ The first network has an MTU of $2048$ bytes; the second has an MTU of $1024$ bytes and the third network has an MTU of $576$ bytes. Each network$$s MTU gives the size of the largest IP datagram that can be carried in a link$-$layer frame. Give the sizes and offsets of the sequence of fragments delivered to the network layer at the destination host. Assume all IP headers are $20$ bytes. $(20$ points$)$

For the $1$st network:

Size: $2048$

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For the $2$nd network:

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For the $3$rd networkSuppose a TCP message that contains $2048$ bytes of data and $20$ bytes of TCP header is passed to IP for delivery across three networks interconnected by a router $($i$.$e$.,$ it travels from the source host to a router to the destination host$).$ The first network has an MTU of $2048$ bytes; the second has an MTU of $1024$ bytes and the third network has an MTU of $576$ bytes. Each network$$s MTU gives the size of the largest IP datagram that can be carried in a link$-$layer frame. Give the sizes and offsets of the sequence of fragments delivered to the network layer at the destination host. Assume all IP headers are $20$ bytes. $(20$ points$)$

For the $1$st network:

Size: $2048$

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$$

For the $2$nd network:

$$

$$

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For the $3$rd network