Consider three IP networks A,B and C. Host HA in network A sends messages each containing 180 bytes of application data to a host Hc in network C. The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network B. The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network A and B are connected through a 1 Mbps link, while B and C are connected by a 512 Kbps link (bps = bits per second).What is the rate at which application data is transferred to host ? Ignore errors, acknowledgements, and other overheads.a)325.5 Kbpsb)354.5 Kbpsc)409.6 Kbpsd)512.0 KbpsCorrect answer is option 'B'. Can you explain this answer? - EduRev Computer Science Engineering (CSE) Question

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

What is the rate at which application data is transferred to host ? Ignore errors, acknowledgements, and other overheads.

a)
325.5 Kbps
b)
354.5 Kbps
c)
409.6 Kbps
d)
512.0 Kbps

Correct answer is option 'B'. Can you explain this answer?

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Consider three IP networks A,B and C. Host HA in network A sends messa...

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.
Time to transfer 260 bytes from B-C = 260 * 8/(512 * 1000) = 65/16000 = 13/3200
So, data rate = 180 * 3200 / 13 = 44.3 kBps = 354.46 kbps

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Consider three IP networks A,B and C. Host HA in network A sends messages each containing 180 bytes of application data to a host Hc in network C. The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network B. The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network A and B are connected through a 1 Mbps link, while B and C are connected by a 512 Kbps link (bps = bits per second).What is the rate at which application data is transferred to host ? Ignore errors, acknowledgements, and other overheads.a)325.5 Kbpsb)354.5 Kbpsc)409.6 Kbpsd)512.0 KbpsCorrect answer is option 'B'. Can you explain this answer?

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Consider three IP networks A,B and C. Host HA in network A sends messages each containing 180 bytes of application data to a host Hc in network C. The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network B. The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network A and B are connected through a 1 Mbps link, while B and C are connected by a 512 Kbps link (bps = bits per second).What is the rate at which application data is transferred to host ? Ignore errors, acknowledgements, and other overheads.a)325.5 Kbpsb)354.5 Kbpsc)409.6 Kbpsd)512.0 KbpsCorrect answer is option 'B'. 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 A,B and C. Host HA in network A sends messages each containing 180 bytes of application data to a host Hc in network C. The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network B. The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network A and B are connected through a 1 Mbps link, while B and C are connected by a 512 Kbps link (bps = bits per second).What is the rate at which application data is transferred to host ? Ignore errors, acknowledgements, and other overheads.a)325.5 Kbpsb)354.5 Kbpsc)409.6 Kbpsd)512.0 KbpsCorrect answer is option 'B'. 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 A,B and C. Host HA in network A sends messages each containing 180 bytes of application data to a host Hc in network C. The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network B. The maximum packet size, including 20 byte IP header, in each network is:A: 1000 bytesB: 100 bytesC: 1000 bytesThe network A and B are connected through a 1 Mbps link, while B and C are connected by a 512 Kbps link (bps = bits per second).What is the rate at which application data is transferred to host ? Ignore errors, acknowledgements, and other overheads.a)325.5 Kbpsb)354.5 Kbpsc)409.6 Kbpsd)512.0 KbpsCorrect answer is option 'B'. Can you explain this answer?.

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