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What is 3G Third generation (3G) wireless networks will offer faster data transfer rates than current networks. The first generation of wireless (1G) was analog cellular. The second generation (2G) is digital cellular, featuring integrated voice and data communications. So-called 2.5G networks offer incremental speed increases. 3G networks will offer dramatically improved data transfer rates, read more »

What is “abstract schema” The part of an entity bean’s deployment descriptor that defines the bean’s persistent fields and relationships. What is “abstract schema name” A logical name that is referenced in EJB QL queries. What is “access control” The methods by which interactions with resources are limited to collections of users or programs for read more »

Here is some famous and frequently asked Google Interview questions. How do you convey the meaning of database in three sentences to a child? Which work related to your field of education or experience makes you happy? Which work can you perform without getting tired for hours? You have to get from point A to read more »

1 As system administrator, you type “debug ipx sap” and receive the following lines as part of the IOS response: type 0×4, “HELLO2″, 199.0002.0003.0006 (451), 2 hops type 0×4, “HELLO1″, 199.0002.0003.0008 (451), 2 hops What does “0×4″ signify? A. That is a Get Nearest Server response. B. That it is a General query. C. That read more »