1.Explain the services provided by transport layer Answer: Services Provided to the Upper Layers:The ultimate goal of the transport layer is to provide efficient, reliable, and cost-effective data transmission service…
Write notes on the following:i) Web Cachingii) Cookies Answer:- i) Web Caching: o A Web cache—also called a proxy server—is a network entity that satisfies HTTP requests on the behalf…
Explain how DNS works and the Services Provided by DNS Answer:- Overview of How DNS Works: The application will invoke the client side of DNS, specifying the hostname that needs…
Explain working of SMTP in mail Answer:- SMTP: ▫ SMTP, defined in RFC 5321, is at the heart of Internet electronic mail. As mentioned above, SMTP transfers messages from senders’…
Explain HTTP Request and Response Message Format Answer:- HTTP request: General format of an HTTP request message ▫ The first line of an HTTP request message is called the request…
Discuss Non-Persistent and Persistent Connections with HTTP Answer:- HTTP with Non-Persistent Connections Let’s walk through the steps of transferring a Web page from server to client for the caseof non-…
Write a note on following: Coaxial Cable, Fiber Optics Answer:- Coaxial Cable: Coaxial cable has better shielding and greater bandwidth than unshielded twisted pairs, so it can spanlonger distances at…
Compare OSI and TCP/IP Answer:-
Explain OSI and TCP/IP with a neat diagram OSI Reference Model: The OSI model has seven layers: The Physical Layer The Data Link Layer The Network Layer The Transport Layer…
Distinguish between Connection-Oriented and Connectionless Service Answer:- Connection-oriented: Connectionless Service:
