The correct answer is: B. URL
A URL (Uniform Resource Locator) is a unique address that identifies a resource on the Internet. It is a string of characters that specifies the protocol, domain name, path, and query parameters of a resource.
A JavaScript is a programming language that is used to create interactive web pages. It is not used to specify the address of a file on the Internet.
A SQL (Structured
Query Language) is a programming language that is used to manage data in relational databases. It is not used to specify the address of a file on the Internet.A string is a sequence of characters. It is not used to specify the address of a file on the Internet.