Q: Is 802.11g compatible with 802.11b standard?
Answer: Yes, they both operate at 2.4 GHz range. The difference is that 802.11b operates up to 11 mbps and 802.11g operates up 54 mbps (megabits per second).
Q: Are WLANs secure?
Answer: Yes, they can be highly secure depending on how you set them up. WLANs have DSSS (Direct Sequence Spread Spectrum) technology on the hardware side and WEP (Wired Equivalent Privacy) on the software side.
Q: What is the difference between Remote Assistance and Remote Desktop?
Answer: Remote Desktop allows remote access to a machine without a user being present at the other end. Remote Desktop uses an account the pre-exists with a user name and password and is set up in the list of Remote Desktop users. When attempting a remote connection in this method, you will need to know the IP address or if on a local area network, you will need to know the computers name and password. Remote Desktop only works between the following Windows Versions: Windows XP Professional Vista Business Vista Ultimate Remote Assistance: Remote Assistance allows remote access to a machine but in this method both users must be present. If Remote Assistance is needed on one end (usually for troubleshooting purposes), the user sends an invitation to connect via instant message or e-mail to a trusted person who can help. For security purposes, all sessions are encrypted and password protected. Remote Assistance works for all XP and Vista versions.
Q: At random times, when I click one of my desktop shortcuts, I am taken to the program and then my desktop icon goes missing leaving only the name of the shortcut on the desktop. A reboot will fix the problem, but how can I stop this from happening.
Answer: I have heard of others having the same issue. I'm not quite sure why this is happening, but in most cases just single left click an empty area of your desktop and then press the F5 key on your keyboard to refresh the desktop
Q: How can I create a Show Desktop shortcut on my Quick Launch Bar?
Answer: Go to Start In the Search field, type in: Notepad Press Enter on your keyboard With Notepad open, copy and paste the following: [Shell] Command=2 IconFile=shell32.dll,34 [Taskbar] Command=ToggleDesktop Select File>> Save As Open the "Save as type" menu and select "All Files (*.*)" In the "File name" textbox, type in: Show Desktop.scf Select the Browse Folders button Select Desktop Select Save With the Show Desktop icon now showing on your desktop, press the Shift key on your keyboard and right click your Show Desktop icon. Select "Add to Quick Launch" from the resulting menu. Alternately, you can simply drag and drop the Show Desktop icon on to your Quick Launch bar.