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 have
enough 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 and
password.
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 to
which 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.

