HCL Interview questions on WCF

These questions are from a walk-in of HCL Noida. (1) For what purpose WCF is used in your current project? (2) What is binding in WCF? (3) How many bindings are there? Have you ever used netMsmqBinding or netNamedPipeBinding? (4) If my hosted service is chargeable and I want to track the record that who has called/ accessed my service how many time, how can I do it? (5) I want to restrict the concurrent access of my service to limited users, how can I do that? Where this setting is done? (6) How session management is done in WCF? (7) How WCF service is secured? [More]