The Web: HTTP; document transfer: FTP; far flung login: Telnet; Network News: NNTP; e- mail: SMTP. 2.
Question:
The Web: HTTP; document transfer: FTP; far flung login: Telnet; Network News: NNTP; e- mail: SMTP.
2. Network structure refers to corporation of verbal exchange into layers (e.G., the 5-layer Internet structure). Application structure, on the other hand, is designed through an software developer and dictates how the utility is (e.G., customer- server or P2P)
3. Instant Messaging includes the initiator to touch a centralized server to find the cope with (IP address.) of the receiver: consumer server version. After this, the immediately messaging may be peer to peer - message between the two speaking events are despatched directly between them.
4. The process which initiates a carrier request is the client; the technique that waits to be contacted is the server. Five. No. As stated in the textual content, all conversation classes have a customer facet and a server side. In a P2P record-sharing application, the peer this is receiving a document is normally the client and the peer this is sending the document is usually the server.
6. The IP deal with of the destination hosts and the port numbers of the vacation spot socket.
7. You possibly use a browser and a mail reader on a every day basis. You may additionally use an FTP person agent, a Telnet consumer agent, an audio/video player user agent (inclusive of a Real Networks participant), an on the spot messaging agent, a P2P document-sharing agent, and many others.
8. There are not any accurate examples of an application that calls for no facts loss and timing. If you know of one, send an electronic mail to the authors.
9. A protocol uses handshaking if the two speaking entities first exchange manipulate packets before sending facts to every other. SMTP makes use of handshaking at the software layer while HTTP does no longer.
10. The programs that use the ones protocols require that all utility information is obtained in the precise order and without gaps. TCP gives this provider while UDP does no longer. Eleven. In both instances, the site need to hold a database record for the user. With cookies, the person does not explicitly offer a username and password each time it visits the website online. However, browser identifies the user by sending the consumer's cookie number whenever the consumer accesses the web page.