A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）
A recently installed package needs to be rolled back to aprevious version.Which of the following commands will perform the task?()A.rejectB.cleanupC.deinstallD.uninstall
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A technician is building a Windows 2008 server and has installed a motherboard， processor， and power supply. Which of the following optical drives should the technician install？（）A、Flash DriveB、DVD-RWC、CD-ROMD、SSD
After a technician came out and installed a new wireless router, one of the wired workstations began having problems connecting to the file server. This is only an intermittent problem. Which of the following actions will the technician MOST likely perform to resolve this problem?（）A、Change the router's SSID B、Move the router's locationC、Check user permissionsD、Check the cable ends
A technician installed a new application on a Windows XP desktop. When the technician tries to launch the application it crashes. Which of the following can the technician use to troubleshoot the application?（）A、System logsB、Security logsC、Application logsD、Application installation logs
A technician just installed an antivirus suite on a workstation. It is kept up-to-date and has recently scanned the system. A day later the user reports slower response times than usual. Which of the following is the user MOST likely experiencing?（）A、AdvertisementsB、Resource consumptionC、A trojan infectionD、Unremoved viruses
A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?（）A、224.0.0.1B、255.0.0.0C、255.255.0.0D、255.255.255.0
A technician plugs a USB device into the computer. The system tray displays a message that reports the device is installed, but may not work properly. Which of the following is the MOST likely cause of the message?（）A、The device needs a firmware updateB、The device needs an updated driver installedC、The plugged in device is too slow for the USB port speedD、The device is incompatible with the installed version of Windows
