100.Which of the following is not a consideration when upgrading power supplies?You might find that your case has a non-removable power supply.– Personal computers do not have permanently installed power supplies. Like other electrical and electronic components, power supplies can and do fail on a regular basis. Permanently mounting a power supply to a chassis would be a disservice to the consumer. You should consider the cumulative power needs of your installed components, and you might have to obtain adapters and splitters if you do not haveenough or you have the wrong types of connectors coming from the power supply.101.What is the single, fixed resolution of an LCD called?Native resolution– an LCD’s native resolution is the single, fixed resolution that provides optimal clarity.
102.You have just installed a wireless router on your home network. Which of the following should you do to make it highly secure? (Choose two)Change the default administrator name andpassword.Change the SSID.– You should always change the default administrator name and password as well as the default SSID when installing a new wireless router. Enabling encryption is also a good idea, but WPA and WPA2 are better options than WEP. The channel has nothing to do with security. 103.In Windows Vista, which of the following utilities can be used to see the edition and service pack installed on a system?winver– In Windows Vista, and all Windows versions with which you need to be familiar for the A+ exam, the winver utility can be used to see the edition and service pack installed on a system.104.Windows 7 Ultimate can be upgraded towhich versions of Windows 8? (Choose all that apply.)Pro– Windows 7 ultimate can be upgraded to Windows 8 Pro.105.Your network is running IPv4. Which if the configuration options are mandatory for your host to communicate on the network? (Choose two.)Subnet mask and IP address– the only mandatory IPv$ configuration items are an IP address and a subnet mask. If you are not connecting to another network, you do not need a default gateway. DNS servers resolve hostnames to IP addresses, but they are not mandatory. 106.Which command lists all running processes at the command line?TASKLIST– the TASKLIST utility will list all running processes at the command line.