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Oracle 1Z1-027 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Exadata X3 and X4 Administration |
| Exam Number: | 1Z0-027 |
| Real Exam Qty: | 70-72 |
| Available Languages: | English |
| Passing Score: | 64% |
| Exam Price: | $245 USD |
| Exam Format: | Multiple Choice, Multiple Select |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Oracle Exadata Administration Oracle Database Administration |
| Exam Duration: | 120 minutes |
| Recommended Training: | Oracle Exadata Database Machine Administration |
| Exam Registration: | Pearson VUE Registration Oracle CertView |
| Sample Questions: |  |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | Recommended: Working knowledge of Oracle Database 11g/12c, RAC, ASM, and Linux administration; 1-2 years Exadata experience |
| Official Syllabus URL: | http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-027 |
Oracle 1Z1-027 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshooting and Optimization | 15% | - Optimize query and I/O performance - Handle network and storage errors - Diagnose and resolve common issues |
| Topic 2: Exadata Database Machine Architecture and Key Capabilities | 20% | - Describe Exadata X3/X4 hardware and software components - Explain Smart Scan, Storage Indexes, and Smart Flash Cache - Describe InfiniBand and internal networking |
| Topic 3: Monitoring, Maintenance and Patching | 20% | - Configure Auto Service Request (ASR) - Monitor performance and alerts - Backup and recovery strategies - Apply patches and software updates |
| Topic 4: Exadata Administration and Configuration | 25% | - Use DBMCLI and CELLCLI commands - Manage Exadata storage cells and compute nodes - Configure I/O Resource Manager (IORM) - Implement Exadata Secure Erase |
| Topic 5: Integration with Oracle Database, Clusterware and ASM | 20% | - Describe database and instance deployment on Exadata - Describe integration with Oracle RAC and Grid Infrastructure - Explain ASM configuration and diskgroup management |
What Candidates Ask About Oracle Exadata X3 and X4 Administration
The real 1Z1-027 exam gives you 120 minutes minutes to answer 70-72 questions. Practicing under the same constraints on the Pass4suresVCE engine makes the real pacing feel familiar.
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The package includes 72 practice questions for the 1Z1-027 exam. Candidates often note that the study thoughts behind them are concise and easy to absorb, which keeps revision efficient rather than tedious.
To pass 1Z1-027 you need 64%, and the official exam fee is $245 USD. Knowing both figures early helps you plan your exam date and your practice target together.
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Oracle CertView: register for 1Z1-027
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Recommended: Working knowledge of Oracle Database 11g/12c, RAC, ASM, and Linux administration; 1-2 years Exadata experience
Oracle Exadata Database Machine Administration: Visit official page
- Monitoring, Maintenance and Patching (20%)
- Integration with Oracle Database, Clusterware and ASM (20%)
- Exadata Administration and Configuration (25%)
Spend more time on the topics that carry the most weight.
Oracle Exadata X3 and X4 Administration Sample Questions:
You plan to migrate a database supporting an an OLTP workload to your Database Machine
This is part ofi a consolidation project and several other databases already exist on the Database Machine.
Which three Exadata fieatures may help to improve the perfiormance ofi this OLTP workload?
- A. Smart Flash Log
- B. Hybrid Columnar Compression
- C. Smart Scan
- D. I/O Resource Manager
- E. Smart Flash Cache
- F. Storage Index
Correct Answer: A,D,E 🗳️
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You have configured a multi-rack Database Machine with two X3-8 fiull racks all in a single cluster and storage grid.
Which two are true regarding the servers on which Enterprise manager agents must be deployed in order to monitor
all components ofi the multi-rack Database Machine?
- A. On at least two storage servers in the second rack
- B. On at least two storage servers in the first rack
- C. On all database servers in the first rack
- D. On only one database server in second rack
- E. On all storage servers in all racks
- F. On all database servers in second rack
- G. On only one database server in the first rack
Correct Answer: C,F 🗳️
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Your database Machine has the exachk utility pre-installed and you decide to use it periodically, to validate the
installation against Oracle's recommended best practices.
Which two actions could you take to do this?
- A. Rut it once firom a database node and it will then perfiorm periodic monitoring automatically.
- B. Use a cron job on each cell to run it at regular intervals.
- C. Use a cron job on a database node to run it at regular intervals.
- D. Create a Job in Enterprise Manager to run the exachk utility at regular intervals.
- E. Run it once on each cell and it will then perfiorm periodic monitoring automatically.
Correct Answer: C,D 🗳️
Which three must be true fior Smart Scans to be done?
- A. Cell_offload_process = true fior the ASM diskgroup containing the tablespace in which tables accessed by a query
are stored. - B. Executing a query in parallel
- C. Having a 4 meg AU size fior the ASM diskgroup containing the tablespace in which tables accessed by a query are
stored - D. cell.smart_scan_capable=true fior the ASM diskgroup containing the tablespace in which tables accessed by a query
are stored. - E. Setting _serial_direct_read=true in the session issuing the SQL statements
- F. Having direct path reads used at run time
Correct Answer: D,E,F 🗳️
Which fiour statements are true about Exadata Smart Flash Cache?
- A. Flash based ASM diskgroups may share space with the Flash Cache on the flashdisks.
- B. Smart Scan will never be done fior I/Os to flash based griddisks.
- C. Smart Scan will always be done fior I/Os to flash based griddisks.
- D. Smart Flash Logs reduce the size ofi Smart Flash Cache.
- E. Single block reads can benefit firom Smart Flash Cache.
- F. Multiblock reads can benefit firom Smart Flash Cache.
Correct Answer: A,D,E,F 🗳️
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