The Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration certification has a strong reputation for a reason — the 1z0-078 exam tests applied skills, not memorized definitions. Candidates around the world use Actual4Exams practice questions to close knowledge gaps before test day.
Oracle 1z0-078 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration |
| Exam Number: | 1Z0-078 |
| Exam Price: | USD 245 (may vary by region) |
| Real Exam Qty: | 60-70 (varies; Oracle does not always publish exact count) |
| Exam Format: | Multiple Choice, Multiple Response |
| Certificate Validity Period: | Not formally expiring for Oracle Certification (subject to Oracle policy updates) |
| Related Certifications: | Oracle Database 19c Administrator Certified Professional |
| Available Languages: | English |
| Exam Duration: | 120 minutes |
| Passing Score: | Approximately 60% (Oracle scaled scoring may apply) |
| Recommended Training: | Oracle Database 19c RAC & Grid Infrastructure Courses Oracle University Training |
| Exam Registration: | Pearson VUE Oracle Exams Oracle Certification Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored or test center (Pearson VUE) |
| Pre Condition: | Recommended: Oracle Database 19c Administrator Certified Professional (1Z0-082) or equivalent knowledge |
| Official Syllabus URL: | https://education.oracle.com |
Oracle 1z0-078 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| High Availability and Troubleshooting | - Cluster Failover Concepts
|
| Oracle Grid Infrastructure | - Architecture and Components
|
| Oracle Real Application Clusters (RAC) | - RAC Architecture
|
| Automatic Storage Management (ASM) | - ASM Administration
|
Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration (1z0-078) — Questions Candidates Actually Ask
The 1z0-078 exam, officially known as Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration, is the Oracle test that leads to the Oracle Database 19c Certified Professional (RAC, ASM, and Grid Infrastructure Administration) certification at the Professional level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as Oracle Database 19c Administrator Certified Professional.
The 1z0-078 exam contains 60-70 (varies; Oracle does not always publish exact count) questions, and you have 120 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the 1z0-078 exam is Approximately 60% (Oracle scaled scoring may apply), and the official registration fee is USD 245 (may vary by region). If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
Recommended: Oracle Database 19c Administrator Certified Professional (1Z0-082) or equivalent knowledge
Entry requirements can change, so confirm the latest conditions on the official exam page: https://education.oracle.com.
You can book the 1z0-078 exam through the official registration channels below:
Exam delivery: Online proctored or test center (Pearson VUE). Seats at popular test centers fill quickly, so schedule early once your preparation is on track.
Oracle recommends the following training options for Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration candidates:
Pair any course with the 79 practice questions from Actual4Exams to measure how ready you really are before paying the exam fee.
Yes. A free PDF demo of the Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding 1z0-078 exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration outline is organized into 4 domains. The first three are:
- Oracle Real Application Clusters (RAC)
- Oracle Grid Infrastructure
- High Availability and Troubleshooting
See the complete exam topics section above for the full outline and the weighting of every domain.
Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration Sample Questions:
Which two statements are true about the Global Enqueue Service, Instance Locks, and global enqueues in Oracle 19c RAC? (Choose two.)
- A. In a RAC One Node database, there is no LMD) process if only one instance is running.
- B. In a RAC database, there is no LMDO process if only one instance is running.
- C. Global Enqueues may have owners and waiters in the same instance.
- D. Global Enqueues and Instance Locks replace mutexes completely in RAC database instances.
- E. Global Enqueues and Instance Locks replace latches completely in RAC database instances.
- F. Global Enqueues may have converters and waiters in the same instance.
Correct Answer: B,C 🗳️
Which two operating system users and groups must be created on each node before installing Oracle Grid Infrastructure 19c? (Choose two.)
- A. an O/S group called dba
- B. an O/S group to own the software inventory
- C. an 0/S user to own the Oracle Database installation
- D. A group to own Automatic Storage Management (ASM) Filter Driver-provisioned storage
- E. an O/S user to own the Clusterware installation and a different O/S user own the Automatic Storage Management (ASM) installation
- F. an O/S user to own the Grid Infrastructure installation
Correct Answer: B,F 🗳️
Examine this query and output:
Performance analysis revealed severe SQ enqueue contention on the SEQ1 sequence.
The SEQ1 sequence is incremented from all instances equally and is frequently used.
Which two statements should you execute to reduce SQ enqueue contention? (Choose two.)
- A. alter sequence seal cache 10000;
- B. exec sys.dbms shared pool.keep('SEQ1','Q'>
- C. alter sequence seql keep;
- D. alter sequence seql noorder;
- E. alter sequence seql order;
Correct Answer: A,D 🗳️
A cluster running 19c Grid Infrastructure supports both Oracle 11g to 19c RAC databases using ASM.
The COMPATIBLE.ASM, COMPATIBLE.RDBMS, and COMPATIBLE.ADVM parameters are currently set to 11.2 for all diskgroups..
You must support these capabilities in all diskgroups:
1. ACFS Replication
2. ACFS Encryption
To what minimum values must the compatible attributes be set?
- A. Set COMPATIBLE.ASM to 12.1, COMPATIBLE.RDBMS to 11.2, and COMPATIBLE.ADVM to 12.1.
- B. Set COMPATIBLE.ASM to 11.2, COMPATIBLE.RDBMS to 12.1, and COMPATIBLE.ADVM to 12.1
- C. Set COMPATIBLE.ASM to 12.1, COMPATIBLE.RDBMS to 12.1, and COMPATIBLE.ADVM to 12.1.
- D. Set COMPATIBLE.ASM to 11.2, COMPATIBLE.RDBMS to 12.1, and COMPATIBLE.ADVM to 11.2.
- E. Set COMPATIBLE.ASM to 11.2, COMPATIBLE.RDBMS to 11.2, and COMPATIBLE.ADVM to 11.2.
Correct Answer: C 🗳️
Which three statements are true about fully qualified file names in ASM? (Choose three.)
- A. They can be created only if OMF is enabled.
- B. They are system Generated at the time of ASM file creation.
- C. An alias may be created for an existing file by referring to the fully qualified file name.
- D. They are the only valid form that can be used for single file creation of a control file.
- E. They can be used to reference existing ASM files.
Correct Answer: B,C,E 🗳️
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