C is the correc answer. This is because WANs stand for wide area networks.
The best video format which should be chosen when creating an instructional video is WMV format. At first, you are asked to make video which will <span>compatible with windows systems and since WMV format is a</span><span> part of the </span>Windows Media<span> framework it is a sensible choice. WMV can be also put into the AVI container format which is quite common among the users.</span>
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Press and hold down the CTRL key while you drag the file to another folder. Press and hold down CTRL+SHIFT while you drag a file to the desktop or a folder.
