FCC is federal communication comitee of USA. it is regulatory authority of USA like TRAI in india.
Its role is to allocate frequencies from RF spectrum (1 HZ- 300 GHZ) and providing licences for different application like TV, mobile communication, satellite communication etc.,
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It returns a read-only, forward-only rowset from the data source. A DataReader provides fast access when a forward-only sequential read is needed.
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The function performed by a party in the development and deployment phases of an application developed using J2EE technology. The roles are application component provider, application assembler, deployer, J2EE product provider, EJB container provider, EJB server provider, Web container provider, Web server provider, tool provider, and system administrator.
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An abstract logical grouping of users that is defined by the application assembler. When an application is deployed, the roles are mapped to security identities, such as principals or groups, in the operational environment.
In the J2EE server authentication service, a role is an abstract name for permission to access a particular set of resources. A role can be compared to a key that can open a lock. Many people might have a copy of the key; the lock doesn't care who you are, only that you have the right key.
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The process of associating the groups or principals (or both), recognized by the container with security roles specified in the deployment descriptor. Security roles must be mapped by the deployer before a component is installed in the server. J2EE
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The process by which access to a method or resource is determined. Authorization depends on the determination of whether the
principal associated with a request through authentication is in a given security role. A security role is a logical grouping
of users defined by the person who assembles the application. A deployer maps security roles to security identities. Security
identities may be principals or groups in the operational environment.
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