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operation of the FTP protocol using a flowchart.

operation of the FTP protocol using a flowchart.

Database System Concepts
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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Q4: A: Explain the operation of the FTP protocol using a flowchart.

A schematic diagram showing the essential components involved in a file transfer using FTP is shown in Figure 1. The computer initiating the transfer request is called the client, and the computer responding to the request the server. User Client Commands Replies User interfoce Server FTP Client FTP server Control Control connection Control Port 1216 Port 21 移 終 part part TCP P Internet IP TCP Data transfer Port Port Data transfer pari 1217 Data connection 20 part File File system File contents system Ports 1216/1217 = ephemeral pats Port 21 = wel-known poit of control connection %3D Patt 20 = well-known port ol data connection Figure 1 FTP components and terminology. each ET P entity consists of two porto: ports: 0ontrol nort ond o we can
Transcribed Image Text:A schematic diagram showing the essential components involved in a file transfer using FTP is shown in Figure 1. The computer initiating the transfer request is called the client, and the computer responding to the request the server. User Client Commands Replies User interfoce Server FTP Client FTP server Control Control connection Control Port 1216 Port 21 移 終 part part TCP P Internet IP TCP Data transfer Port Port Data transfer pari 1217 Data connection 20 part File File system File contents system Ports 1216/1217 = ephemeral pats Port 21 = wel-known poit of control connection %3D Patt 20 = well-known port ol data connection Figure 1 FTP components and terminology. each ET P entity consists of two porto: ports: 0ontrol nort ond o we can
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