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 Consider three IP networks and . Host in network sends messages each containing 180 bytes of application data to a host in network . The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network . The maximum packet size, including 20 byte IP header, in each network is:
A: 1000 bytes
B: 100 bytes
C: 1000 bytes
The network and are connected through a 1 Mbps link, while and are connected by a 512 Kbps link (bps = bits per second).

Assuming that the packets are correctly delivered, how many bytes, including headers, are delivered to the IP layer at the destination for one application message, in the best case? Consider only data packets.
  • a)
    200
  • b)
    220
  • c)
    240
  • d)
    260
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Consider three IP networks and . Host in network sends messages each c...
Packet A sends an IP packet of 180 bytes of data + 20 bytes of TCP header + 20 bytes of IP header to B.
IP layer of B now removes 20 bytes of IP header and has 200 bytes of data. So, it makes 3 IP packets - [80 + 20, 80 +
20 + 40 + 20] and sends to C as the Ip packet size of B is 100. So, C receives 260 bytes of data which includes 60 bytes
of IP headers and 20 bytes of TCP header.
For data rate, we need to consider only the slowest part of the network as data will be getting accumulated at that sender
(data rate till that slowest part, we need to add time if a faster part follows a slower part).
So, here 180 bytes of application data are transferred from A to C and this causes 260 bytes to be transferred from B to C
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Consider three IP networks and . Host in network sends messages each containing 180 bytes of application data to a host in network . The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network . The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network and are connected through a 1 Mbps link, while and are connected by a 512 Kbps link (bps = bits per second).Assuming that the packets are correctly delivered, how many bytes, including headers, are delivered to the IP layer at the destination for one application message, in the best case? Consider only data packets.a)200b)220c)240d)260Correct answer is option 'D'. Can you explain this answer?
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Consider three IP networks and . Host in network sends messages each containing 180 bytes of application data to a host in network . The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network . The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network and are connected through a 1 Mbps link, while and are connected by a 512 Kbps link (bps = bits per second).Assuming that the packets are correctly delivered, how many bytes, including headers, are delivered to the IP layer at the destination for one application message, in the best case? Consider only data packets.a)200b)220c)240d)260Correct answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Consider three IP networks and . Host in network sends messages each containing 180 bytes of application data to a host in network . The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network . The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network and are connected through a 1 Mbps link, while and are connected by a 512 Kbps link (bps = bits per second).Assuming that the packets are correctly delivered, how many bytes, including headers, are delivered to the IP layer at the destination for one application message, in the best case? Consider only data packets.a)200b)220c)240d)260Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider three IP networks and . Host in network sends messages each containing 180 bytes of application data to a host in network . The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network . The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network and are connected through a 1 Mbps link, while and are connected by a 512 Kbps link (bps = bits per second).Assuming that the packets are correctly delivered, how many bytes, including headers, are delivered to the IP layer at the destination for one application message, in the best case? Consider only data packets.a)200b)220c)240d)260Correct answer is option 'D'. Can you explain this answer?.
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