Exam Name: Oracle Exadata X3 and X4 Administration
Certification Provider: Oracle
Corresponding Certification: Oracle Database
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Every day, our expert team checks the 1Z0-027 exam practice guide and adds new items as the exam evolves. At ActualTestsIT, keeping the Oracle Exadata X3 and X4 Administration bank current is a daily routine — and in 2026, every answer in it is expert-verified.
Oracle 1Z0-027 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Key Exadata Features | - Performance technologies
|
| Topic 2: Performance and I/O Resource Management | - Resource optimization
|
| Topic 3: Initial Configuration and Deployment | - Installation and setup
|
| Topic 4: Backup, Recovery and Security | - Data protection
|
| Topic 5: Storage and ASM Administration | - Storage management
|
| Topic 6: Exadata Architecture | - System architecture
|
| Topic 7: Monitoring and Maintenance | - System administration
|
| Topic 8: Exadata Database Machine Overview | - Database Machine architecture
|
1Z0-027 Exam Details and Buying Questions
The 1Z0-027 exam is the official assessment behind the Oracle Exadata X3 and X4 Administration certification from Oracle. In an age where technology skills need to be verifiable, a respected credential makes yours visible — it tells the market your abilities have been measured, not merely claimed. Earning it takes real preparation, and that preparation is exactly what our materials support.
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Passing the 1Z0-027 exam requires 61%, and registration costs USD 245. Focused preparation with verified answers is how you make that fee a one-time expense rather than a recurring one.
The official outline divides the 1Z0-027 exam into weighted domains, including:
- Storage and ASM Administration ()
- Performance and I/O Resource Management ()
- Key Exadata Features ()
The Oracle Exadata X3 and X4 Administration bank at ActualTestsIT is checked against these objectives every day, with new items added as the exam evolves.
The 1Z0-027 exam contains 77 questions with 120 minutes minutes to complete them. Timed practice under the same limit — online or offline — turns pacing into a habit before exam day.
There are no mandatory prerequisite exams. Oracle recommends experience with Oracle Database administration and Exadata Database Machine technologies.
Oracle Exadata X3 and X4 Administration Sample Questions:
Your Database Machine has a large database with some very large tables supporting OLTP workloads.
High volume Insert applications and high volume update workloads access the same tables.
You decide to compress these tables without causing unacceptable perfiormance overheads to the OLTP application.
Which three are true regarding this requirement?
- A. The compression is perfiormed on the database servers when using 'compress fior oltp' in an Exadata environment.
- B. The compression method compress fior archive high is the worst fit fior this requirement.
- C. Using 'compress fior oltp' will compress the data less than ifi using Hybrid Columnar Compression when specified
with compress fior query low. - D. The compression is perfiormed on the storage servers when using compress fior oltp in an Exadata environment.
- E. Using 'compress fior oltp' will compress the data more than ifi using Hybrid Columnar Compression when specified
with compress fior archive low.
Correct Answer: A,B,C 🗳️
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Which three storage components are available after the standard initial Database machine deployment?
- A. Exadata Smart Flash Cache using all ofi the flashdisk space
- B. Mirrored system partitions on hard disk 0 and hard disk 1
- C. The DBFS_DG diskgroup with external redundancy
- D. The DATA_<DBM_Name> ASM diskgroup
- E. The RECO_<DBM_Name> ASM diskgroup
Correct Answer: B,D,E 🗳️
You are using Hybrid Columnar Compression fior a table stored in a tablespace that is contained in an Exadata-based
ASM diskgroup. Identifiy three statements that correctly explain where the compression and decompression can be
done.
- A. Decompression can be done on the Exadata storage servers.
- B. Compression can be done on the Exadata storage servers.
- C. Compression can be done on the database servers.
- D. Decompression can be done on the database servers.
Correct Answer: A,C,D 🗳️
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Which three are true about Smart Flash log?
- A. You can remove Smart Flash Log firom a single storage server with the drop flashing command.
- B. I/O Resource Manager database plans can be used to enable or disable Smart Flash Log fior different databases.
- C. LGWR will not wait fior writes to Smart Flash log ifi the write to a disk based log file completes first.
- D. Smart Flash Log is enabled by defiault, using 1024 MB ofi Rash storage on each storage server.
- E. I/O Manager category plans can be used to enable or disable Smart Flash Log For different I/O categories.
Correct Answer: A,B,C 🗳️
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You plan to migrate an existing production database supporting online transaction processing (OLTP) workloads to the
Exadata Database Machine. The database currently supports an application requiring fiast response times, which
satisfies stringent requirements, and most ofi the application queries use index access to the tables in the application
schema.
For which case would you consider dropping indexes to allow Smart Scans to occur?
- A. Drop non-constraint Indexes ifi Smart Scan perfiorms better than any index scans on the corresponding table.
- B. Drop non-constraint indexes ifi Smart Scan perfiorms better than index range scans on the corresponding table.
- C. Drop non-constraint indexes ifi Smart Scan occurs instead ofi an index access path on the corresponding table.
- D. Drop non-constraint indexes ifi Smart Scan perfiorms better than index unique scans on the corresponding table.
Correct Answer: A 🗳️
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