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單項(xiàng)選擇題

Which of the following is the MOST common pin-out configuration used when crimping RJ-45 connectors？（）

A.UTP
B.T568A/B
C.STP
D.IEEE 802.5

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單項(xiàng)選擇題

An administrator is in charge of several remote servers in Japan. Users call and complain they cannot connect to the company’s resources located on those servers. Which of the following commands would allow the administrator to verify the servers are running？（）

A.ping
B.netstat
C.nbtstat
D.telnet

單項(xiàng)選擇題

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