1.  a
Explanation:The Windows Azure Platform extends applications running on other platforms to the cloud using Microsoft infrastructure and a set of enterprise services.

2. b
Explanation:Stored data can be written with PUTs.

3. a
Explanation:Each namespace is assigned a management key that is part of the security mechanism.

4. a
Explanation:AppFabric manages the transaction to ensure that it is completed and that a response is sent to the client.

5. d
Explanation:Azure AppFabric manages requests by locating the service.

6. c
Explanation:The Access Control examines the request, and if it finds it to be valid, it grants a security token to the client.

7.  d
Explanation:Azure AppFabric acts as an SOA service bus.

8. c
Explanation:Access Control allows one application to trust the identity of another application.

9.  b
Explanation:Azure AppFabric Access Control enables secure application requests through a token mechanism.

10. a
Explanation:Access Control allows one application to trust the identity of another application.