Oracle 1z1-809 certification exam also covers security topics such as encryption and decryption, secure socket layer (SSL) communication, and digital signatures. Candidates must understand how to use the Java Security API to create secure applications and be familiar with principles such as authentication, authorization, and confidentiality. Passing the Oracle 1z1-809 certification exam demonstrates a high level of proficiency in Java programming and can open up a range of career opportunities for developers.

Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-809

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