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Which of the following is required by a Web-based application to connect to a database?
Correct Answer:
B is incorrect. Domain Name System (DNS) is a hierarchical naming system used for locating domain names on private TCP/IP networks and the Internet. It provides a service for mapping DNS domain names to IP addresses and vice versa. DNS enables users to use friendly names to locate computers and other resources on an IP network. TCP/IP uses IP addresses to locate and connect to hosts, but for users, it is easier to use names instead of IP address to locate or connect to a site. For example, users will be more comfortable in using the host name www.uCertify.com rather than using its IP address 66.111.64.227.