单项选择题

Which of the following is the proper order for powering off and on network components?（）

A. Computer> cable modem > router
B. Cable modem> router> computer
C. Cable modem> computer> router
D. Router> cable modem> computer

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单项选择题

Mike, a technician, is replacing a wireless router on an existing small office home office (SOHO) network. The SSID, WPA and DHCP information has been correctly added. Which of the following must also be addressed?（）

A. The administrative password needs to be changed.
B. The TKIP option needs to be enabled.
C. The WEP key needs to be changed.
D. Wireless access points need to be added.

单项选择题

A technician installed a new wireless access point on an existing small office home office (SOHO) network with a selective security option enabled. All wireless computers connect to the new network except one computer that cannot connect to the wireless network.
Which of the following is the cause?（）

A. The network uses MAC filtering
B. The network uses WEP
C. The network uses SSID broadcast
D. The network uses WPA

单项选择题

Which of the following files are required to start Windows XP boot process?（）

A. Ntldr, boot.ini and ntdetect.com
B. IO.sys, boot.ini and ntboot.sys
C. IO.sys, Msdos.sys and boot.sys
D. Config.sys, msconfig.sys and boot.ini