单选题DNS servers provide what service?（）AThey run a spell check on host names to ensure accurate routingBThey convert domain names into IP addressCGiven an IP address,they determine the name of the host that is soughtDThey map individual hosts to their specific IP addresses
单选题
DNS servers provide what service?（）
A
They run a spell check on host names to ensure accurate routing
B
They convert domain names into IP address
C
Given an IP address,they determine the name of the host that is sought
D
They map individual hosts to their specific IP addresses
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