The EMC E20-390 Exam is a certification exam that focuses on the implementation and management of EMC VNX storage solutions. It is intended for professionals who work with EMC VNX storage systems.

The EMC E20-390 (VNX Solutions Specialist Exam for Implementation Engineers) is designed to validate the knowledge and skills required to implement and manage EMC VNX storage solutions.

The number of questions asked in the EMC E20-390 Exam is approximately 60.

The passing score for the EMC E20-390 Exam is 63 out of 80, which translates to approximately 79%.

The competency level required for the EMC E20-390 Exam is intermediate to advanced, as it is intended for implementation engineers with hands-on experience in deploying and managing EMC VNX storage solutions.

The question format of the EMC E20-390 Exam includes multiple-choice and multiple-response questions.

The EMC E20-390 Exam can be taken at Pearson VUE testing centers or online through Pearson VUE's online proctoring service.

The EMC E20-390 Exam is offered in English.

The cost of the EMC E20-390 Exam is approximately $200 USD, but this may vary by region and testing center.

The target audience of the EMC E20-390 Exam includes implementation engineers, storage administrators, and IT professionals who work with EMC VNX storage solutions.

The average salary of an EMC E20-390 certified professional can vary widely based on location, experience, and job role, but it is generally in the range of $80,000 to $120,000 USD per year.

The testing providers for the EMC E20-390 Exam are Pearson VUE testing centers.

The recommended experience for the EMC E20-390 Exam includes hands-on experience with EMC VNX storage solutions, as well as familiarity with storage networking concepts and best practices.

There are no formal prerequisites for the EMC E20-390 Exam, but it is recommended that candidates have relevant experience and knowledge of EMC VNX storage solutions.

The expected retirement date for the EMC E20-390 Exam is not publicly specified and may depend on the release of new technologies and updates from EMC.

The EMC E20-390 Exam is part of the EMC Proven Professional certification program and can be a stepping stone to more advanced certifications in the storage and data management domain.

The topics covered in the EMC E20-390 Exam include VNX hardware and software components, storage provisioning, data protection, performance management, and troubleshooting.

Sample questions for the EMC E20-390 Exam can often be found in the official exam study guide, EMC training courses, or third-party certification study materials.

The difficulty level of the EMC E20-390 Exam is considered to be intermediate to advanced, requiring a solid understanding of EMC VNX storage solutions and practical experience.