Question E You download a file of size 180 Gbyte in one hour. What is the average goodput (the usefulthroughput measured at the application layer) in Mbit/s?а.b.Assume that the data is transfered as a sequence of data packets, each consisting of 200 Byteof useful data plus overhead. How long is the time interval between each packet inmicroseconds?Assume that the overhead is 40 Byte per packet (header, trailer, interpacket gap). What is thenet bir rate or total throughput (at a reference point between the physical layer and data linklayer)?с.d. Assume that the data is transferred using a 4B5B bit synchronization and error detection code(4 net bits transferred using 5 bits). what is the physical layer gross bit rate?Assume that the data is transferred using 16PAM (16-level pulse amplitude modulation).How many bits are transferred per pulse?What is the pulse rate? What is the requiredbaseband bandwidth in Hertz according to Nyquist?е.

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Answered: You download a file of size 180 Gbyte…

You download a file of size 180 Gbyte in one hour. What is the average goodput (the useful throughput measured at the application layer) in Mbit/s? а.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question E

You download a file of size 180 Gbyte in one hour. What is the average goodput (the useful
throughput measured at the application layer) in Mbit/s?
а.
b.
Assume that the data is transfered as a sequence of data packets, each consisting of 200 Byte
of useful data plus overhead. How long is the time interval between each packet in
microseconds?
Assume that the overhead is 40 Byte per packet (header, trailer, interpacket gap). What is the
net bir rate or total throughput (at a reference point between the physical layer and data link
layer)?
с.
d. Assume that the data is transferred using a 4B5B bit synchronization and error detection code
(4 net bits transferred using 5 bits). what is the physical layer gross bit rate?
Assume that the data is transferred using 16PAM (16-level pulse amplitude modulation).
How many bits are transferred per pulse?What is the pulse rate? What is the required
baseband bandwidth in Hertz according to Nyquist?
е.

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