How does a VPN work?
What will be an ideal response?
A virtual private network (VPN) uses an unsecured public network, such as the Internet, as if it were a secure private network. It does this by encrypting all data that is transmitted between the remote device and the network. This ensures that any transmissions that are intercepted will be indecipherable. VPNs can be software-based or hardware-based. Software-based VPNs, in which the VPN software is running on the mobile device itself, are common. A wireless user can "tunnel" through the less-than-secure public Wi-Fi network using a VPN, relying on its security advantages. For example, a user may access a public wireless hotspot at an airport or coffee shop and use VPN to "tunnel" through it to reach a secure corporate network.
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Context-sensitive commands are displayed by ________
A) shortcut menus B) ScreenTips C) dialog boxes D) content panes
The ____________ is a post test loop, which means it performs an iteration before testing its Boolean expression.
a. for loop b. while loop c. do-while loop d. do-before loop