Match the following IT terminolgies and functions supported by them.

List-I	List-II
a. Four - part numeric address indicating a unique computer location on the internet.	1. DNS
b. A hierarchical system of services maintaining databases enabling the conversion of domain names of their IP address.	2. Gopher
c. Tool for retrieving and transferring file form a remote computer.	3. IP
d. A tool that enables the user to locale information stored on Internet Servers though a series of easy-to-use hierarchial menus.	4. FTP

A. a-1, b-3, c-2, d-4

B. a-2, b-1, c-4, d-3

C. a-3, b-4, c-1, d-2

D. a-3, b-1, c-4, d-2

Answer: Option D