CCSIT/KFU Application Layer 36 File Transfer Protocol Quiz

Transferring files to/from a remote host

The control connection is used for exchanging control information like username and password, while the data connection is used to transfer the actual file or data.

Port 21

<p>The FTP server opens separate TCP data connections for each file transfer, maintaining the state of the current directory and authentication.</p> Signup and view all the answers

<p>USER, PASS, LIST, RETR, STOR</p> Signup and view all the answers

<p>452</p> Signup and view all the answers

<p>Non-persistent connections and persistent connections</p> Signup and view all the answers

<p>HTTP client initiates a TCP connection to the HTTP server, sends an HTTP request message with the URL, server forms response with the requested object, and then closes the TCP connection.</p> Signup and view all the answers

<p>Port 80 is where the HTTP server at the host waits for TCP connections and accepts them.</p> Signup and view all the answers

<p>In a persistent HTTP connection, multiple objects can be sent over a single TCP connection between client and server.</p> Signup and view all the answers

<p>To ensure that in case of server/client crashes, their views of state may be inconsistent but can be reconciled.</p> Signup and view all the answers

<p>Port 80</p> Signup and view all the answers

<p>Message syntax defines what fields are in messages and how fields are delineated.</p> Signup and view all the answers

<p>Open protocols are defined in RFCs and allow for interoperability, while proprietary protocols are specific to a company or product.</p> Signup and view all the answers

<p>Some applications, like file transfer and web transactions, require 100% reliable data transfer to ensure data integrity.</p> Signup and view all the answers

<p>Loss tolerant protocols, like those used for audio applications, can tolerate some data loss, while protocols requiring 100% reliable data transfer cannot tolerate any loss.</p> Signup and view all the answers

<p>Ephemeral ports, like 51213, are dynamically allocated by the kernel for temporary use by applications.</p> Signup and view all the answers