VALID 1Z0-915-1 TEST GUIDE | 1Z0-915-1 TEST PASS4SURE

Valid 1z0-915-1 Test Guide | 1z0-915-1 Test Pass4sure

Valid 1z0-915-1 Test Guide | 1z0-915-1 Test Pass4sure

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Oracle 1z0-915-1 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Data Migrations: For data migration specialists and database administrators, this part of the exam covers creating a DB system with data import, importing data into a DB system, and exporting data from MySQL servers and DB systems.
Topic 2
  • Backing up and restoring DB systems: For database administrators and disaster recovery specialists, this section of the exam covers backing up and restoring a DB system, managing automatic backups, and performing point-in-time recovery.
Topic 3
  • Describe the architecture of the HeatWave cluster, adding a HeatWave cluster to a DB system, and determine whether a query is offloaded to HeatWave cluster for execution.
Topic 4
  • MySQL HeatWave Configurations: For database administrators and performance tuning specialists, this part of the exam covers creating custom configurations, comparing configurations, describing the effects of changing dynamic and non-dynamic variables, and updating a DB system configuration.
Topic 5
  • Managing DB systems: For network administrators and cloud infrastructure specialists, this domain of the exam covers demonstrating a command of DRG and DRG Attachments, applying BGP in the OCI environment, evaluating OCI VPN Services, and validating the various FastConnect products from OCI.
Topic 6
  • High Availability: For system reliability engineers and database architects, this domain of the exam covers how to enable and disable the high availability of a DB system, explain placement considerations for a high availability DB system, distinguish between switchover and failover, etc.

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To do this you just need to enroll in Oracle 1z0-915-1 exam and strive hard to pass the Oracle MySQL HeatWave Implementation Associate Rel 1 (1z0-915-1) exam with good scores. However, you should keep in mind that the Oracle 1z0-915-1 certification exam is different from the traditional exam and always gives taught time to their candidates. But with proper Oracle MySQL HeatWave Implementation Associate Rel 1 (1z0-915-1) exam preparation, planning, and firm commitment can enable you to pass the challenging Oracle MySQL HeatWave Implementation Associate Rel 1 (1z0-915-1) exam.

Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q14-Q19):

NEW QUESTION # 14
Which table option defines a Lakehouse external table based on a CSV file?

  • A. ENGINE=csv SECONDARY_ENGINE=rapid ENGINE_ATTRIBUTE='{"file": [{"region":
    "us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }'
  • B. ENGINE=csv SECONDARY_ENGINE=lakehouse ENGINE_ATTRIBUTE='{"file": [{"region":
    "us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }'
  • C. ENGINE=lakehouse SECONDARY_ENGINE=csv ENGINE_ATTRIBUTE='{"file": [{"region":
    "us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }'
  • D. ENGINE=lakehouse SECONDARY_ENGINE=rapid ENGINE_ATTRIBUTE='{"file": [{"region":
    "us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }'

Answer: B

Explanation:
B:ENGINE=csv SECONDARY_ENGINE=lakehouse ENGINE_ATTRIBUTE='{"file": [{"region":
"us-ashburn-1", "namespace": "mytenant", "bucket": "bucket01", "name": "airport.csv"}] }': This table option defines a Lakehouse external table based on a CSV file. It specifies thecsvengine for the table and uses thelakehouseas the secondary engine, along with the file's location details in OCI Object Storage.


NEW QUESTION # 15
Which two are available when creating a new MySQL DB system in OCI Console? (Choose two.)

  • A. High availability
  • B. Lakehouse
  • C. HeatWave cluster
  • D. Read replica
  • E. Standalone server

Answer: A,E

Explanation:
When creating a new MySQL DB system in the OCI Console, you have the following options:
* High availability(Answer A): This option allows you to create a DB system that can automatically fail over to a standby instance in case of hardware or software failure, ensuring minimal downtime.
* Standalone server(Answer C): This option lets you create a DB system with a single instance, suitable for workloads that do not require high availability or read replicas.
References:
* OCI MySQL Database Service Documentation
* MySQL High Availability


NEW QUESTION # 16
Which two are true about creating a Bastion service to connect to a MySQL DB system? (Choose two.)

  • A. TheBastion subnet must have an ingress rule to allow stateful connections on the MvSQL DB system port number.
  • B. The Bastion service must have a public IP address.
  • C. The Bastion service must be in the same VCN as the DB system.
  • D. The Bastion CIDR block allowlist must include the IP address of all valid client machines.
  • E. The Bastion CIDR block allowlist must include the IP address of the DB system.

Answer: A,D

Explanation:
When creating a Bastion service to connect to a MySQL DB system, the following are true:
* The Bastion CIDR block allowlist must include the IP address of all valid client machines(Answer C):
This ensures that only the IP addresses specified in the allowlist can access the Bastion service, enhancing security by restricting access to known clients.
* The Bastion subnet must have an ingress rule to allow stateful connections on the MySQL DB system port number(Answer E): This allows the Bastion service to communicate with the MySQL DB system by permitting traffic through the necessary ports.
References:
* OCI Bastion Service Documentation
* Setting Up Bastion with MySQL DB System


NEW QUESTION # 17
The first query has an estimated cost of 100,000,000 and is offloaded to a HeatWave cluster for execution:
SELECT flightno, departure, country FROM flight JOIN airport_geo ON 'from'=airport_id; The second query has an estimated cost of 10,000 and is NOT offloaded to the Heatwave cluster for execution:
SELECT DISTINCT country FROM airport_geo ORDER BY country;
Which two methods can offload the second query to the Heatwave cluster for execution? (Choose two.)

  • A. CALL sys.heatwave_load('["airport_geo"]');
  • B. SET secondary_engine_cost_threshold=1000;
  • C. SET optimizer_trace="enabled=on";
  • D. SET use_secondary_engine=FORCED;
  • E. CALL sys.heatwave_advisor(JSON_OBJECT("auto_enc", JSON_OBJECT("mode", "recommend")));

Answer: B,D

Explanation:
To offload the second query to the HeatWave cluster for execution, you can use the following methods:
* SET use_secondary_engine=FORCED(Answer A): This forces the use of the HeatWave secondary engine for query execution, regardless of the estimated cost.
* SET secondary_engine_cost_threshold=1000(Answer B): This lowers the cost threshold for queries to be offloaded to the HeatWave cluster, allowing queries with lower estimated costs to be offloaded.
Steps:
* Before running the second query, executeSET use_secondary_engine=FORCED;to force the offloading of queries to HeatWave.
* Alternatively, executeSET secondary_engine_cost_threshold=1000;to adjust the cost threshold, making the second query eligible for offloading.


NEW QUESTION # 18
You want to enable high availability of a stand-alone DB system. Which two conditions are required? (Choose two.)

  • A. The DB system automatic backup must be enabled.
  • B. The DB system point-in-time recovery must be enabled.
  • C. The DB system must be active.
  • D. The DB system delete protection must be enabled.
  • E. The DB system crash recovery must be enabled.

Answer: A,C

Explanation:
To enable high availability for a stand-alone DB system, the following conditions are required:
* The DB system must be active(Answer D): The DB system needs to be in an active state to enable high availability features.
* The DB system automatic backup must be enabled(Answer E): Automatic backups must be enabled to ensure data protection and facilitate failover operations.
Steps:
* Ensure the DB system is running and operational.
* Enable automatic backups through the OCI Console or API.
References:
* MySQL High Availability Documentation
* Automatic Backups Documentation


NEW QUESTION # 19
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