The Oracle 1z0-055 exam is an upgrade exam for Oracle 9i OCPs to certify their skills and knowledge in Oracle Database 11g. It covers various new features and improvements introduced in the 11g version.

The Oracle 1z0-055 exam, titled 'Oracle Database 11g: New Features for 9i OCPs', is designed for Oracle Certified Professionals (OCPs) who are already certified in Oracle 9i. The exam tests the candidate's knowledge and skills in the new features and enhancements introduced in Oracle Database 11g.

The Oracle 1z0-055 exam typically consists of around 75 questions.

The passing score for the Oracle 1z0-055 exam is 60%.

The competency level required for the Oracle 1z0-055 exam is advanced, as it is intended for professionals who are already certified in Oracle 9i and have significant experience with Oracle databases.

The question format of the Oracle 1z0-055 exam includes multiple-choice questions.

The Oracle 1z0-055 exam can be taken at authorized Pearson VUE testing centers or through online proctored exams.

The Oracle 1z0-055 exam is offered in the English language.

The cost of the Oracle 1z0-055 exam is approximately $245 USD, but it may vary by location and currency.

The target audience for the Oracle 1z0-055 exam includes Oracle Certified Professionals (OCPs) who are certified in Oracle 9i and want to upgrade their certification to Oracle 11g.

The average salary of an Oracle 1z0-055 certified professional varies based on location, experience, and job role, but it generally ranges from $90,000 to $120,000 per year.

The testing providers for the Oracle 1z0-055 exam are Pearson VUE and Oracle University.

The recommended experience for the Oracle 1z0-055 exam includes hands-on experience with Oracle Database 9i and familiarity with the new features and enhancements in Oracle Database 11g.

The prerequisites for the Oracle 1z0-055 exam include having an Oracle 9i OCP certification.

The Oracle 1z0-055 exam has been retired and is no longer available as of March 1, 2016.

The roadmap for the Oracle 1z0-055 exam involves upgrading from Oracle 9i OCP to Oracle 11g OCP by passing the 1z0-055 exam.

The topics covered in the Oracle 1z0-055 exam include Oracle Database 11g architecture, new features for DBAs and developers, performance enhancements, backup and recovery improvements, and security enhancements.

Sample questions for the Oracle 1z0-055 exam can be found in Oracle's official study guides, practice exams, and training courses.

The difficulty level of the Oracle 1z0-055 exam is considered to be moderate to high, as it requires a deep understanding of both Oracle 9i and Oracle 11g features.