Set - 5

Question 31 :

What is realm ?

Answer :

See security policy domain. Also, a string, passed as part of an HTTP request during basic authentication, that defines a protection space. The protected resources on a server can be partitioned into a set of protection spaces, each with its own authentication scheme or authorization database or both. In the J2EE server authentication service, a realm is a complete database of roles, users, and groups that identify valid users of a Web application or a set of Web applications.


Question 32 :

What is reentrant entity bean ?

Answer :

An entity bean that can handle multiple simultaneous, interleaved, or nested invocations that will not interfere with each other.


Question 33 :

What is reference ?

Answer :

A reference to an entity that is substituted for the reference when the XML document is parsed. It can reference a predefined entity such as < or reference one that is defined in the DTD. In the XML data, the reference could be to an entity that is defined in the local subset of the DTD or to an external XML file (an external entity). The DTD can also carve out a segment of DTD specifications and give it a name so that it can be reused (included) at multiple points in the DTD by defining a parameter entity.


Question 34 :

What is registry ?

Answer :

An infrastructure that enables the building, deployment, and discovery of Web services. It is a neutral third party that facilitates dynamic and loosely coupled business-to-business (B2B) interactions.


Question 35 :

What is registry provider ?

Answer :

An implementation of a business registry that conforms to a specification for XML registries (for example, ebXML or UDDI).