Which of the following is required by a Web-based application to connect to a database?

Question

Options

• ADSN
• BDNS
• CCGI
• DFQDN

• A
  72% (26)
• B
  14% (5)
• C
  6% (2)
• D
  8% (3)

Explanation

A Web-based application uses Data Source Name (DSN) to connect to a database. DSN is a logical name used by Open Database Connectivity (ODBC) to refer to connection information required to access data. Answer: C is incorrect. The Common Gateway Interface (CGI) specification is used for creating executable programs that run on a Web server. CGI defines the communication link between a Web server and Web applications. It gives a network or Internet resource access to specific programs. For example, when users submit an HTML form on a Web site, CGI is used to pass this information to a remote application for processing, and retrieve the results from the application. It then returns these results to the user by means of an HTML page. Answer: D is incorrect. Fully Qualified Domain Name (FQDN) is a unique name of a host or computer, which represents its position in the hierarchy. An FQDN begins with a host name and ends with the top-level domain name. FQDN includes the second-level domain and other lower top-level domain name. 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

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