Explain A Simplex Stop-and-Wait Protocol for an Error-Free Channel against A Simplex Stop-and-Wait Protocol for a Noisy Channel Answer:- Simplex Stop-and-Wait Protocol for an Error-Free Channel:- Simplex Stop-and-Wait Protocol for a Noisy Channel:-
Write a note on Data link layer design issues Answer:- Data link layer design issues
Describe how the mechanism of error correction and detection is handled by the Data link layer in detail. Answer:- The optical fiber in telecommunications networks, have tiny error rates so that transmission errors are a rare occurrence. But other channels,…
Computer Networks (21CS52) Important Questions with Answers 2024 Note: Module 2 and Module 3 will be added soon, and some more questions will also be added. Comment in this post if you guys want questions and answers like this for…
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 of an origin Web server.o The Web cache has its…
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 to be translated. DNS in the user’s host then takes…
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’ mail servers to the recipients’ mail servers.▫ SMTP is much…
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 line; the subsequent lines are called the header lines.▫ The…
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- persistent connections. Further suppose the URL for the base HTML…
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 higher speeds. Two kinds of coaxial cable are widely used.…
