Some Ask The Experts and a Tip

Here's my latest batch of stuff from TechTarget, including some Ask The Expert answers on identity and access management and a tip on security and cloud computing:

What are the options for a mechanical (not electrical) door security system on a server room door?
This question posed on 28 October 2008

What's the difference between access control mechanisms and identity management techniques? This question posed on 23 October 2008

What courses can improve fundamental knowledge of infrastructure systems (Active Directory, LDAP, etc.)?
This question posed on 13 October 2008

What tools provide user provisioning and single sign-on for PeopleSoft- and Unix-based products?
This question posed on 08 October 2008