What is Zoster Vaccine Live (Shingles Vaccine), and how does it work (mechanism of action)? Zoster vaccine contains live, attenuated (weakened) varicella-zoster virus (VZV). Varicella-zoster causes chickenpox and then becomes dormant in nerves.
To make the 2013 exam more helpful, we've replaced individual tasks with comprehensive, project-based testing. This live-in-the-application environment confirms that certified individuals have demonstrated the ability to complete a realistic Microsoft Office Specialist Excel 2013 project.
As a Microsoft Excel developer, you must often test whether a worksheet, file or folder exists, or if a particular file is currently open. You might also have to delete a file. On a computer that is running Windows, you can use the File System Object (FSO) object to test whether a file or a folder exists. The FSO model provides an object-based tool for working with folders and files. Unfortunately, the FSO model is not available on the Apple Macintosh (Mac).