Most current operating systems require specialized software to connect to VPN servers, as support for VPN services is no longer built into the clients.

When the XHTML 1.0 validator reports that the end tag for an element is missing, it means that ____.

A. a two-sided tag is missing an end tag B. a one-sided tag was improperly entered C. either a or b D. none of the above

In the system it is required to synchronize a file server’s clock to within ±1 millisecond. Discuss this in relation to Cristian’s algorithm.

What will be an ideal response?