Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration Certification: Complete Guide 2026
1Z0-078
This certification validates expertise in installing, configuring, and administering Oracle Real Application Clusters (RAC), Automatic Storage Management (ASM), and Grid Infrastructure for high availability database environments.
Exam Details
Resources
Everything you need to pass
Comprehensive preparation materials for your Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration exam
Exam Content
Exam Domains & Topics
Master these 4 domains to pass your exam
Grid Infrastructure Installation and Configuration
Oracle Automatic Storage Management (ASM)
Oracle Real Application Clusters (RAC) Administration
High Availability and Troubleshooting
Who Should Take This Exam?
- Oracle Database Administrators with RAC experience
- Infrastructure engineers managing high-availability database systems
- IT professionals responsible for Grid Infrastructure implementation
- Database administrators seeking advanced clustering expertise
Study Timeline
10-14 weeks
Recommended duration
Foundation · Weeks 1-2
Review exam objectives & core concepts
Deep Dive · Weeks 3-6
Study each domain with hands-on labs
Practice & Review · Weeks 7-8
Take practice exams & target weak areas
Study Guide
1Z0-078 Study Plan
The Oracle 1Z0-078 certification validates expertise in installing, configuring, and administering Oracle Real Application Clusters (RAC), Automatic Storage Management (ASM), and Grid Infrastructure. This professional-level certification demonstrates your ability to manage high-availability Oracle database environments and is highly valued for database administrators working with enterprise Oracle solutions.
Week 1-2
Foundation and Grid Infrastructure Basics
Build foundational knowledge of cluster architecture and begin Grid Infrastructure installation practice
- Understand Oracle Clusterware architecture and components
- Learn cluster networking concepts (public, private, VIP, SCAN)
- Study OCR and voting disk concepts
- Complete first Grid Infrastructure installation in lab environment
- Master basic crsctl and srvctl commands
Week 3-4
ASM Deep Dive - Part 1
Master ASM fundamentals, installation, and disk group management
- Install and configure ASM instances
- Create disk groups with different redundancy levels
- Understand failure groups and their importance
- Practice ASMCMD commands extensively
- Learn ASM file and directory management
- Configure ASM instance parameters
Week 5-6
ASM Deep Dive - Part 2 and RAC Installation
Advanced ASM features and begin RAC database deployment
- Implement ASM rebalancing and understand power limits
- Configure ACFS and ASM Dynamic Volume Manager
- Study ASM Fast Mirror Resync
- Install Oracle RAC database software
- Create first RAC database
- Understand RAC architecture and Cache Fusion
Week 7-8
RAC Administration and Services
Master RAC database administration and service management
- Configure and manage RAC services
- Implement connection load balancing (CLB and RLB)
- Configure Fast Application Notification (FAN)
- Practice starting/stopping RAC instances and databases
- Learn RAC-specific backup and recovery
- Monitor RAC performance using AWR reports
Week 9-10
High Availability and Troubleshooting
Focus on HA features, diagnostic tools, and troubleshooting methodologies
- Practice OCR and voting disk backup/recovery
- Use cluster verification utility (cluvfy)
- Simulate and troubleshoot node failures
- Analyze RAC alert logs and trace files
- Practice interconnect troubleshooting
- Study cluster eviction scenarios and prevention
- Use Cluster Health Monitor tools
Week 11
Advanced Topics and Practice Exams
Cover advanced features and begin intensive practice testing
- Study RAC One Node configuration
- Review Grid Infrastructure patching procedures
- Take first full-length practice exam
- Identify weak areas from practice exam results
- Review all command-line utilities and syntax
- Practice time management for exam
Week 12
Final Review and Exam Preparation
Intensive review of all domains and final practice exams
- Take multiple practice exams under timed conditions
- Review all incorrect answers and understand why
- Create quick reference sheets for command syntax
- Review all four exam domains systematically
- Practice scenario-based questions
- Schedule and prepare for exam day
Study tips
Hands-On Lab Practice
- Set up a multi-node RAC environment using VirtualBox or VMware (minimum 2 nodes)
- Practice Grid Infrastructure installation at least 5-10 times until you can do it without documentation
- Create and destroy ASM disk groups repeatedly to understand all configuration options
- Simulate failures: unplug network cables, kill processes, crash nodes to understand recovery procedures
- Document every command you run in your lab, this becomes your personal reference guide
- Build a working RAC environment from scratch at least three times before the exam
Command-Line Mastery
- Create flashcards for crsctl, srvctl, and ASMCMD commands with syntax examples
- Practice commands daily, muscle memory helps during the exam when recalling syntax
- Understand the difference between crsctl (cluster-level) and srvctl (resource-level) commands
- Know which commands require root privileges vs grid/oracle user
- Practice common troubleshooting command sequences (check status, query OCR, verify voting disks)
- Memorize key ASMCMD commands for file management and space monitoring
Architecture Understanding
- Draw RAC architecture diagrams by hand including all network layers (public, private, VIP, SCAN)
- Understand Cache Fusion architecture thoroughly, know how data blocks transfer between instances
- Study ASM disk group metadata structures and how ASM allocates extents
- Understand the cluster split-brain scenario and how voting disks prevent it
- Know the role of each background process in RAC and ASM
- Understand interconnect architecture and how it affects performance
Documentation Navigation
- Bookmark key sections of official Oracle 19c documentation for quick reference during study
- Read the RAC Administration Guide cover-to-cover, it's dense but comprehensive
- Focus on 'Best Practices' and 'Recommendations' sections in documentation
- Study the reference pages for all major commands (ASMCMD, crsctl, srvctl)
- Review the troubleshooting chapters multiple times, they often contain exam scenarios
- Print or save offline copies of critical documentation sections for quick review
Scenario-Based Learning
- Practice troubleshooting scenarios: 'What if OCR is corrupted?', 'What if voting disk fails?'
- Create decision trees for common administrative tasks
- Understand the complete workflow for adding/removing cluster nodes
- Practice the complete OCR and voting disk backup/restore procedure multiple times
- Simulate disk failures and practice ASM rebalancing operations
- Study how to diagnose and resolve node eviction scenarios
Exam-Specific Preparation
- Focus 60% of study time on ASM and RAC administration (30% each) as they comprise most of the exam
- Allocate 25% of time to Grid Infrastructure installation, know the installation wizard inside-out
- The remaining 15% on high availability and troubleshooting, but practice failures extensively
- Take practice exams in exam conditions: 120 minutes, 60 questions, no distractions
- Review exam objectives weekly to ensure you're covering all topics
- Identify your weak areas early and spend extra time on them
- Understand question patterns: Oracle often asks 'what command would you use?' or 'what is the correct sequence?'
Performance and Monitoring
- Understand RAC-specific wait events (gc cr block busy, gc current block busy, etc.)
- Know how to use AWR reports to identify RAC performance issues
- Study interconnect statistics and how to monitor interconnect performance
- Understand ASM rebalancing parameters and their impact on performance
- Learn to use Cluster Health Monitor (CHM) and interpret its data
- Practice using SQL queries to check RAC and ASM status
Time Management
- Allocate 2 minutes per question maximum (60 questions in 120 minutes)
- Skip difficult questions and mark them for review, don't waste time
- Read questions carefully, Oracle often includes subtle details that change the answer
- Eliminate obviously wrong answers first to improve odds on difficult questions
- Budget time to review flagged questions at the end
- Practice time management during all practice exams
Exam day checklist
- Arrive at the testing center 15-30 minutes early or log in early for online proctoring
- Bring two forms of identification as required by Oracle/Pearson VUE
- Read each question twice before answering, Oracle questions can be tricky with subtle details
- Use the mark/flag feature for questions you're unsure about, review them at the end
- Watch for keywords like 'best practice', 'recommended', 'most efficient', Oracle has preferred approaches
- Don't second-guess yourself too much, your first instinct after thorough preparation is often correct
- Manage your time, aim to complete all questions with 20-30 minutes left for review
- Remember that command syntax questions may not show exact syntax, look for the correct approach
- For scenario questions, eliminate options that would cause errors or data loss first
- Take a deep breath if you feel stressed, you've prepared thoroughly and know this material
- If unsure, think about what you did in your lab environment, practical experience guides correct answers
- Some questions may reference Oracle Support notes or MOS, general knowledge of procedures is sufficient
- Don't panic if you encounter unfamiliar topics, some questions may be experimental and not scored
- Use elimination strategy, removing two obviously wrong answers greatly improves your odds
- Submit your exam confidently, you need 60% to pass, not perfection
Career
Career Opportunities
Roles and salary potential for Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration certified professionals
Related Job Titles
$125,000
Average Annual Salary
From the Blog
Related Articles
Guides and insights for Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration professionals
Prerequisites
Strong understanding of Oracle Database 19c administration Experience with Linux/Unix operating systems Familiarity with storage technologies and network configurations Recommended: Oracle Database Administration certification or equivalent experience
Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration FAQs
Common questions about the 1Z0-078 certification exam
The 1Z0-078 certification validates your expertise in implementing and managing Oracle Real Application Clusters (RAC), Automatic Storage Management (ASM), and Grid Infrastructure. It demonstrates your ability to configure high-availability database environments, manage clustered databases, and troubleshoot complex RAC scenarios in Oracle Database 19c environments.
The 1Z0-078 exam is considered a professional-level certification and is challenging. It requires hands-on experience with RAC environments, in-depth knowledge of Grid Infrastructure components, and practical troubleshooting skills. Most candidates need 10-14 weeks of dedicated study and should have prior Oracle database administration experience before attempting this exam.
Professionals holding the Oracle Database 19c RAC, ASM, and Grid Infrastructure Administration certification typically earn between $110,000 and $145,000 annually, with an average salary of approximately $125,000. Salaries vary based on experience level, geographic location, company size, and additional skills. Senior RAC administrators with this certification can command salaries exceeding $150,000.
While there are no mandatory prerequisites, Oracle strongly recommends having solid Oracle Database administration experience and knowledge equivalent to the Oracle Database Administration certification. Practical experience with Oracle Database 19c, Linux/Unix systems, and storage management is essential for success on this exam.
Oracle certifications do not expire. Once you earn the Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration certification, it remains valid indefinitely. However, pursuing newer versions or related certifications is recommended to stay current with evolving technologies and demonstrate ongoing expertise to employers.
About the Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration Certification
The Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration (1Z0-078) is a professional-level certification offered by Oracle. This certification validates your expertise in database administration and is recognized globally by employers seeking qualified professionals. The exam consists of 60 questions to be completed in 120 minutes, with a passing score of 60%. The exam fee is $245, and the certification is valid for Does not expire.
Why Get Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration Certified?
- Career Advancement: Certified professionals earn an average of $125,000 per year. Oracle-certified professionals are among the most sought-after in the database administration industry.
- Industry Recognition: Oracle certifications are respected worldwide by employers, demonstrating verified competency in database administration technologies and practices.
- Skill Validation: The Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration exam rigorously tests your knowledge across 4 domains, ensuring you have the practical skills employers demand.
Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration Exam Format & Details
The 1Z0-078 exam is designed to test both theoretical knowledge and practical application. Candidates are given 120 minutes to complete the exam, which contains approximately 60 questions. A score of 60% is required to pass. As a professional-level exam, it requires significant hands-on experience and deep technical knowledge. Prerequisites include: Strong understanding of Oracle Database 19c administration Experience with Linux/Unix operating systems Familiarity with storage technologies and network configurations Recommended: Oracle Database Administration certification or equivalent experience.
Exam Domains & Topics
The Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration exam covers 4 key domains. Understanding the weight of each domain helps you allocate your study time effectively:
- Grid Infrastructure Installation and Configuration (25% of exam)
- Oracle Automatic Storage Management (ASM) (30% of exam)
- Oracle Real Application Clusters (RAC) Administration (30% of exam)
- High Availability and Troubleshooting (15% of exam)
Who Should Take the Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration Exam?
This certification is designed for professionals in the following roles:
- Oracle Database Administrators with RAC experience
- Infrastructure engineers managing high-availability database systems
- IT professionals responsible for Grid Infrastructure implementation
- Database administrators seeking advanced clustering expertise
Career Opportunities & Salary
Earning the Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration certification opens doors to roles such as Oracle Database Administrator, Oracle RAC Administrator, Database Infrastructure Engineer, Oracle Grid Infrastructure Specialist. Certified professionals earn an average salary of $125,000 per year, reflecting the high demand for database administration skills in today's job market.
Recertification & Renewal
The Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration certification is valid for Does not expire. To maintain your credential, you will need to meet Oracle's renewal requirements before your certification expires. This may include earning continuing education credits, passing a recertification exam, or earning a higher-level certification.
Exam Registration & Cost
The 1Z0-078 exam costs $245. You can register through Oracle's official website or an authorized testing center. Most candidates choose between in-person testing at a Pearson VUE or PSI center and online proctored exams taken from home. Be sure to review the exam policies, including identification requirements and prohibited items, before your test date.
How to Prepare for 1Z0-078
We recommend 10-14 weeks of dedicated study time to prepare for the Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration exam. Start by reviewing the official exam objectives, then work through each domain systematically. Regular practice with exam-style questions is essential for building confidence and identifying weak areas. Combine reading with hands-on practice to develop both theoretical knowledge and practical skills.
HydraNode publishes free exam dumps with answers and explanations for more than 80 certification exams. Every question is written to the published objectives, so what you practise matches the format and difficulty of the actual 1Z0-078 exam.