Section Contents:
- This objective may include but is not limited to: design connection mechanisms for communicating with external web services; plan how to consume and parse data from web services (for example, WCF and WS*); ensure a trusted transfer of data to and from a phone
MSDN: http://msdn.microsoft.com/en-us/library/gg521151(v=VS.92).aspx
WCF Data Services: http://msdn.microsoft.com/en-us/data/odata.aspx
- This objective may include but is not limited to: differentiate between persistent and transient data; determine when to use isolated storage; plan for size limitations of isolated storage; design cloud-based storage
MSDN: http://msdn.microsoft.com/en-us/library/ff626522(v=VS.92).aspx
- This objective may include but is not limited to: plan for disconnected scenarios; plan for low network bandwidth
Links to source material:
IsolatedStorageFile Class: http://msdn.microsoft.com/en-us/library/system.io.isolatedstorage.isolatedstoragefile(VS.95).aspx
IsolatedStorageFileStream Class: http://msdn.microsoft.com/en-us/library/system.io.isolatedstorage.isolatedstoragefilestream(VS.95).aspx
Notes:
One tip I have picked up is make sure you know the differences between WebClient and HttpWebRequest.
Mike Hole 
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