a) Digital Network System
b) Domain Network System
c) Digital Name Systmem
d) Domain Name System
Answer: d
Explanation: DNS stands for domain name system. It is the way that internet domain names are located and translated into internet protocol (IP) addresses. For example, if someone types abc.com into the web browser, a server behind the scenes will map that name to the IP address 206.16.49.139.
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