单选题Which of the following network protocols is needed to ensure that users can type in a FQDN instead of the IP address？（）ADNSBFTPCWINSDIMAP4
单选题
Which of the following network protocols is needed to ensure that users can type in a FQDN instead of the IP address？（）
A
DNS
B
FTP
C
WINS
D
IMAP4
参考解析
解析：
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