单选题Which of the following BEST describes the function of a DNS server?（）ASecures network traffic through shared key encryption.BProvides resolution of host names to IP addresses.CProvides security for a network through the use of ACLs.DDynamically assigns IP addresses for easy client configuration.
单选题
Which of the following BEST describes the function of a DNS server?（）
A
Secures network traffic through shared key encryption.
B
Provides resolution of host names to IP addresses.
C
Provides security for a network through the use of ACLs.
D
Dynamically assigns IP addresses for easy client configuration.
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