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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q38-Q43):
NEW QUESTION # 38
You want to monitor how a large production table is accessed. Especially, you are interested to see how the access on that particular table leverages the benefits of the Exadata Platform.
Which two actions are NOT appropriate for that purpose?
- A. You run the CellCli-command list activerequest , filtering for the attributes ioReason and objectNumber, that you specify as ‘Smart Scan’ and the Object ID of your table from DBA_OBJECTS.
- B. You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME=’optimized physical reads’.
- C. You query v$SYSTAT and filter for the statistic ‘cell smart table scan’, associated to your table.
- D. YOU query VSSYSTEM_EVENTS and filter for the event ‘cell physical IO interconnect bytes returned by smart scan’, associated to your table.
Answer: B,D
NEW QUESTION # 39
Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?
- A. OECA reconfigures the size of disk groups and recreates grid disks.
- B. OECA extends the hardware for the elastic configuration only.
- C. OECA’s “Add Equipment” input option allows allocation of RU slots for customer equipment.
- D. OECA facilitates PDU power selection initially and after equipment addition.
- E. OECA allows one XT storage server in the configuration.
Answer: B,D
Explanation:
B and E are true statements for the Oracle Exadata Configuration Assistant (OECA). OECA facilitates PDU power selection initially and after equipment addition, and it allows for the elastic configuration of the hardware. It does not reconfigure the size of disk groups or recreate grid disks, nor does it allow for a single XT storage server in the configuration. The “Add Equipment” input option does allow for the allocation of RU slots for customer equipment.
References for this information can be found in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources.
Search results: [1] Oracle Exadata Database Machine X8-2 [1][2]: Configuration Assistant Guide … The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can … [2] The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can be used to … Add Equipment: This input option allows you to allocate RU slots for … [3] Oracle Exadata Database Machine X7-2 and X7-2L Installation Guide … The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can … [4] The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can be used to … Power Selection [1][2]: This input option allows you to select PDU power initially … [5] Oracle Exadata Database Machine X7-2 and X7-2L Installation Guide … The Oracle Exadata Configuration Assistant (OECA) is a web-based tool that can …
NEW QUESTION # 40
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?
- A. Provide individual x86 64-Bit gateway hardware.
- B. Install in Oracle Virtual Machine with required hardware.
- C. Install on Exadata Engineered System.
- D. Install on Oracle Database Appliance.
- E. Purchase the recommended x86 64-Bit gateway hardware from Oracle.
Answer: B,C,D
Explanation:
The Platinum Services Advanced Support Gateway is a component of Oracle’s Platinum Services offering that enables customers to access advanced support features and tools, such as automated problem diagnosis and resolution. Customers have the option to host the Advanced Support Gateway on an Oracle Database Appliance, Oracle Virtual Machine with required hardware, or an Exadata Engineered System. These options allow customers to leverage existing infrastructure and resources to host the gateway, rather than needing to purchase and install new hardware. Providing individual x86 64-Bit gateway hardware or purchase the recommended x86 64-Bit gateway hardware from Oracle are also options but it depends on the customer’s infrastructure and resources.
NEW QUESTION # 41
An Exadata X9M-2 Elastic Rack with 4 Database Servers and 8 HC Storage Servers and 3-phase 24kVA PDUs is being installed in a Data Center. However, the Data Center is only providing enough power for a single cable from each PDU. Which statement is correct?
- A. The power cables from the servers to the PDUs can be rearranged inside the rack following OECA guidance to utilize a single PDU power cable.
- B. The installation cannot proceed until two power feeds are available per PDU.
- C. A splitter cable can be used to provide power to all PDU cables.
- D. The installation can go ahead, no change is required.
Answer: B
Explanation:
In order for an Exadata X9M-2 Elastic Rack to be installed, two power feeds are required for each of the three-phase 24kVA PDUs. A single cable from each PDU will not be enough to power the rack, and neither a splitter cable nor rearrangement of the power cables from the servers to the PDUs will be able to provide sufficient power for the system. Therefore, the installation cannot proceed until two power feeds are available per PDU.
For more information about power requirements for Exadata X9M-2 Elastic Racks, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources.
Search results: [1] Oracle Exadata Database Machine X9M-2 Full Rack Installation – Oracle Docs [2] Exadata Database Machine X8M-2 Mid-Size Rack Installation – Oracle Docs
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmin/exadata-site-requirements.html
NEW QUESTION # 42
What is the minimum Oracle Linux version required to support RoCE and Persistent Memory?
- A. Oracle Linux 7.7
- B. Oracle Linux 7.9
- C. Oracle Linux 8.0
- D. Oracle Linux 7.5
Answer: C
Explanation:
RoCE, or Remote Direct Memory Access over Converged Ethernet, is a high-speed networking technology that allows data to be transferred between servers, storage, and other devices over Ethernet. Persistent Memory is a form of non-volatile memory that can be used to store data without losing it when power is lost.
Oracle Linux 8.0 supports both RoCE and Persistent Memory, allowing Exadata systems to leverage the benefits of both technologies. For more information on Oracle Linux 8.0 and its features, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources.
NEW QUESTION # 43
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