A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）A、21B、23C、80D、443
A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）
- A、21
- B、23
- C、80
- D、443
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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
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 SSIDB、Move the router's locationC、Check user permissionsD、Check the cable ends
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多选题A technician installed a new application on a Windows XP desktop. After the application wasinstalled, the technician rebooted the desktop and received a bluescreen error. Which of thefollowing steps should the technician perform?（） (Select TWO).ABoot into Safe ModeBReplace the motherboardCUninstall the applicationDReplace the hard driveEInstall more RAM
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单选题A technician works for a company that has recently been affected by a virus. The virus entered the network by using port 6000. Port 6000 is used by an application located on a server. The technician has been asked to block this port on all servers and computers except for the one server which uses this port. Which of the following should the technician do？（）AUpdate the antivirus applicationBInstall critical update security patchesCAdjust the software firewall settingsDReplace the current antivirus program
单选题In which of the following locations can Mike, a technician, configure and format a newly installed hard drive so that it is accessible to the user?（）AMy ComputerBDisk ManagerCDevice ManagerDControl Panel
单选题A technician has installed a new motherboard in a workstation, but after hardware tests, themotherboard has failed. Which of the following should the technician do FIRST before replacingthe motherboard? （）AReseat all power connections.BRemove the CMOS battery.CInstall the graphics card.DGround to the case.
单选题On which of the following cables would a technician find a BNC connector installed?（）ACAT6BRG-6CFiberDCAT3
单选题A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）A21B23C80D443
单选题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？（）AFlash DriveBDVD-RWCCD-ROMDSSD
单选题Several users report that they are unable to print to a new printer recently installed. The technician is unable to ping the printer. Which of the following is the MOST likely cause?（）ANo IP address on the printerBPaper jam in the paper feed trayCImproper DNS settings on the printerDBroken LCD screen on the printer
单选题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?（）A224.0.0.1B255.0.0.0C255.255.0.0D255.255.255.0
单选题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?（）AAdvertisementsBResource consumptionCA trojan infectionDUnremoved viruses
单选题A technician has just completed a CPU upgrade on a motherboard. Which of the following will MOST likely cause the PC not to boot?（）AThe technician used generic thermal paste.BThe processor had pins broken during installation.CThe memory is incompatible with the new CPU.DAn incorrect fan size was installed on the heatsink.