Webmaster wrote: Passing any MS exam, including the 70-270 Windows XP Professional exam, will make you an MCP (Microsoft Certified Professional). 70-270 also counts towards MCSA and MCSE. Check out the following page for more information regarding MS certs:www.microsoft.com/learning/mcp/default.asp
Webmaster wrote: No, passing any MS exam will make you an MCP (Microsoft Certified Professional). So if you pass a single MCDST exam, you will be an MCP.
Webmaster wrote: Probably Cisco certifications, although there are others that require recertification, such as the CWNP exams. But Microsoft, and CompTIA certifications, are for life.