As DNS gets a query from the browser, it matches the site URL to an IP address and returns back IP address to the browser.ĭNS Cache (Sometimes referred to as DNS resolver cache) is the memory of recent DNS queries stored locally on your computer. So when we type the web address in the search bar, the browser sends a request to the domain name system.
Difference between Private and Public IP addressesĪll of us visit our favorite websites by typing the web addresses like or, but your browser doesn’t understand this, the browser needs to know the IP address of the site you’re trying to visit. Difference between Synchronous and Asynchronous Transmission. nslookup command in Linux with Examples. Implementation of Diffie-Hellman Algorithm. Transmission Modes in Computer Networks (Simplex, Half-Duplex and Full-Duplex). Types of area networks - LAN, MAN and WAN. Network Devices (Hub, Repeater, Bridge, Switch, Router, Gateways and Brouter). ISRO CS Syllabus for Scientist/Engineer Exam. 
ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.
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