Which of the following does a star ring topology use for data transfer?（）
第1题：
A.Encryption
B.DHCP
C.Password
D.SSID
第2题：
In which of the following layers of the OSI model does the TCP protocol operate?（）
第3题：
Which of the following word does not describe a color?
A、green
B、white
C、flower
D、orange
第4题：
Which of the following ports does POP3 services use, by default?（）
第5题：
Which of the following ports does a telnet application utilize？（）
第6题：
Which of the following devices is used to connect multiple devices to a network and does not stopbroadcast traffic?（）
第7题：
Which of the following does not affect security on a wireless access point?（）
第8题：
Which of the following does not belong to current assets?
A．cash
B．account payable
C．account receivable
D．note receivable
第9题：
Which of the following describes a computer in which the HDD LED is lit, but the mouse does notrespond and the computer is unresponsive?（）
第10题：
Which of the following would allow an administrator to incorporate a new Windows service pack into an installation when the media does not include the service pack?（）