निम्नलिखित में से किसे अक्सर 'सूचना राजपथ' (Information Highway) भी कहा जाता है?

Which of the following characters must be a part of an email id?

Which of the following is defined as a set of programs, standards and protocols that allow the text, images, animations, sounds and videos to be stored, accessed, and linked together in form of websites?