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BlackBerry Interview Questions

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BlackBerry is nothing but a handheld wireless device that is just like a two way pager.

It supports the features like mobile telephone, push e-mail, text messaging, web browsing, internet faxing.

In addition to these, all types of wireless information services and multi-touch interfaces are also included.  

Research in Motion, a Canadian company provided a proprietary operating system for BlackBerry.

The operating system provides support for Java MIDP 1.0 and WAP 1.2.

The current version supports Novell Group Wise and Lotus Notes.

Third-party software can be developed using BlackBerry APIs as well, with certain restriction functionality must be signed by RIM digitally, so that it can be associated to a developer account.  

Early BlackBerry devices used Interl-80386 processors but Intel XScale 624 MHz CPUs are used in the latest BlackBerry 9000 series.

Earlier, BlackBerry 8000 series with Pearl was based on the 312 MHz ARM XScale ARMv5TE PAXA900. BlackBerry 8707 was based on 80 MHz Qualcomm 3250 chipset, and the device was often slower for downloading and render the web pages over 3G than the 8700 was over EDGE networks.  

BlackBerry Enterprise Server: The BlackBerry handhelds are integrated into the e-mail system of the organization through software BlackBerry Enterprise Server. The BES versions are available for MS Exchange, Novell GroupWise and Lotus Domino. A connector was made by Google for BES for making BES available for Google Apps. A new feature is added which enables to track the current location of an individual through trailateration.

BES provides handhelds with the connectivity of TCP/IP which can be accessed through a component known as “Mobile Data Service – Connection Service – MDS-CS. This allows the development of custom application development using data streams on BlackBerry devices which are based on the Sun JME platform.

BES also provides network security in the form of Triple DES or AES encryption standard of all data including e-mail and MDS traffic, which travels between the BlackBerry hand held devices and a BES.  

The primary alternative to BlackBerry Enterprise Server is BlackBerry Internet Service. The development of this service is aimed at the average consumer rather than for the business consumer. POP3 and IMAP integration are allowed by these services for the personal user. It allows upto 10 e-mail accounts could be accessed including popular emails Gmail, Hotmail, Yahoo and AOL. MySpace, Facebook and MSN can also be accessed by using special bundles.

Latest BlackBerry devices are using proprietary BlackBerry Messenger for sending and receiving instant messages through BlackBerry PIN or barcode scan. This is a BlackBerry Alliance program for the partners who work under contract with RIM for creating new BlackBerry applications.  

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