Answer:
DNS or Domain Name System
Explanation:
You can query a DNS server with a domain name to get an IP address.
Answer:
Metrical task system algorithm is the online algorithm that is used for organizing the online problems like k-server issues, paging issues etc.This task system works in the form of metrics to decrease the complete cost experienced due to processing of the operation and analyzing the competition.
It can be used for the online shopping project for the analyzing the comparison between the performance on basis of online and offline trends and then optimization can take place according to the the results.
The first one is d the second one is true the third one is false
