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Oracle 1z0-485 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Exadata Database Machine 2014 Implementation Essentials |
| Exam Number: | 1Z0-485 |
| Certificate Validity Period: | Typically does not expire (subject to Oracle certification policy updates) |
| Real Exam Qty: | 60-75 |
| Exam Price: | $245 USD |
| Available Languages: | English |
| Related Certifications: | Oracle Database Administration Oracle Exadata Implementation Specialist |
| Exam Duration: | 120 minutes |
| Passing Score: | 60% |
| Exam Format: | Multiple Choice, Multiple Response |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or Pearson VUE test centers |
| Pre Condition: | Recommended experience with Oracle Database administration, Oracle RAC, and storage concepts |
| Official Syllabus URL: | https://education.oracle.com/ |
Oracle 1z0-485 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Networking | - Ethernet management network - InfiniBand architecture |
| Topic 2: Performance Monitoring and Troubleshooting | - Performance tuning tools - Diagnostics and log analysis |
| Topic 3: Exadata Architecture and Components | - Exadata hardware overview - Compute nodes and storage cells |
| Topic 4: Installation and Configuration | - Initial system setup - Cluster and database configuration |
| Topic 5: Database and Grid Infrastructure on Exadata | - ASM configuration - Oracle RAC on Exadata |
| Topic 6: Best Practices and Administration | - Operational best practices - Capacity and lifecycle management |
| Topic 7: Storage Server (Cell) Management | - Cell configuration and monitoring - Smart Scan and storage optimization |
| Topic 8: Backup and Recovery | - Data protection strategies - RMAN integration |
Oracle Exadata Database Machine 2014 Implementation Essentials Essentials: What Candidates Ask
- Networking ()
- Database and Grid Infrastructure on Exadata ()
- Backup and Recovery ()
Oracle Exadata Database Machine 2014 Implementation Essentials Sample Questions:
Which statement is true about Enterprise Manager 12c for Exadata?
- A. The Exadata Plug-In for monitoring switches is installed in each EM Agent.
- B. EM Agents should not be installed on Exadata. Remote monitoring is the best practice.
- C. EM Agents can communicate to storage cells via SSH.
- D. Storage cells communicate directly to the EM Management Server via SNMP and/or SMTP.
- E. EM Agents are installed on each database and storage node.
Correct Answer: A 🗳️
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Which table compression technique will not work on Exadata without licensing the Oracle Advanced Compression Option?
- A. COMPRESS FOR ARCHIVE
- B. COMPRESS FOR QUERY
- C. COMPRESS FOR OLTP
- D. COMPRESS BASIC
- E. COMPRESS
Correct Answer: C 🗳️
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What would be the best way to ensure that batch Jobs do not impact performance of online queries that use the same database?
- A. Configure and enable Parallel Query.
- B. Configure resource plans by using the I/O Resource Manager on the storage cells, giving priority to query workload.
- C. Build a Database Resource Management Plan, giving priority to query workload.
- D. Deploy Instance Caging to control batch jobs.
- E. Configure IORM to disable Flash Cache usage for batch workload.
Correct Answer: C 🗳️
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When would be the best time to run an Exadata health check (exachk)?
- A. before and after patching, when advised by Oracle Support, andona regular basis
- B. after patching, after upgrades, and after backups
- C. monthly and after a hardware failure
- D. before patching, before upgrades, before backups, and on a regular basis
- E. only after a hardware failure
- F. only when advised by Oracle Support
Correct Answer: A 🗳️
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In looking to improve query performance for your Data Warehouse, select the best way that Exadata's Flash Cache feature can be leveraged?
- A. Create an ASM diskgroup on Flash Cache and move the indexes from disk to Flash.
- B. Enable Write Back Flash Cache.
- C. Enable Smart Flash Log.
- D. Execute alter table ... cell_flash_cache=keep on heavily scanned tables.
Correct Answer: D 🗳️
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