PASS-SURE ANSWERS 1Z0-915-1 REAL QUESTIONS SUPPLY YOU MARVELOUS NEW TEST COST FOR 1Z0-915-1: ORACLE MYSQL HEATWAVE IMPLEMENTATION ASSOCIATE REL 1 TO PREPARE CASUALLY

Pass-Sure Answers 1z0-915-1 Real Questions Supply you Marvelous New Test Cost for 1z0-915-1: Oracle MySQL HeatWave Implementation Associate Rel 1 to Prepare casually

Pass-Sure Answers 1z0-915-1 Real Questions Supply you Marvelous New Test Cost for 1z0-915-1: Oracle MySQL HeatWave Implementation Associate Rel 1 to Prepare casually

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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
  • 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 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
  • 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.
Topic 5
  • 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 6
  • MySQL HeatWave Service: For database administrators, cloud architects, and DevOps engineers, this section of the exam covers identifying key features and benefits, describing MySQL HeatWave architecture, defining MySQL HeatWave terminology, and identifying MySQL HeatWave limitations.
Topic 7
  • HeatWave Cluster: For database performance specialists and cloud architects, this section of the exam covers

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By reviewing these results, you will be able to know and remove your mistakes. These 1z0-915-1 practice exams are created as per the pattern of the Oracle MySQL HeatWave Implementation Associate Rel 1 (1z0-915-1) real examination. Therefore, Oracle MySQL HeatWave Implementation Associate Rel 1 (1z0-915-1) mock exam takers will experience the real exam environment. It will calm down their nerves so they can appear in the 1z0-915-1 final test without anxiety or fear.

Oracle MySQL HeatWave Implementation Associate Rel 1 Sample Questions (Q33-Q38):

NEW QUESTION # 33
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_advisor(JSON_OBJECT("auto_enc", JSON_OBJECT("mode", "recommend")));
  • B. SET optimizer_trace="enabled=on";
  • C. SET secondary_engine_cost_threshold=1000;
  • D. CALL sys.heatwave_load('["airport_geo"]');
  • E. SET use_secondary_engine=FORCED;

Answer: C,E

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 # 34
You have successfully enabled high availability of a stand-alone DB system. Which is true?

  • A. The DB system has three instances running in different availability or fault domains.
  • B. The DB system provides new port numbers on the same endpoint to connect to the secondary instances for read-only connections.
  • C. The DB system provides new endpoints to connect to the secondary instances for read-only connections.
  • D. The DB system performs load balancing by distributing client connections to all instances.

Answer: A

Explanation:
When high availability is enabled for a stand-alone DB system,the DB system has three instances running in different availability or fault domains(Answer D).
* High Availability Configuration: This setup involves creating multiple instances of the DB system across different availability or fault domains to ensure redundancy and minimize the risk of downtime due to hardware or network failures.
* Instances: Typically, there are three instances-one primary and two replicas-ensuring that the system can failover seamlessly if one instance goes down.
References:
* OCI MySQL High Availability


NEW QUESTION # 35
You create a MySQL DB system with default port numbers, and attach it to a subnet.
Which configuration is required on the subnet to enable client applications to connect to the DB system?

  • A. Create an egress rule that allows stateful connections on port 3306 and 33060.
  • B. Create an ingress rule that allows stateful connections on port 3306 and 33060.
  • C. Create an egress rule that allows stateless connections on port 3306 and 33060.
  • D. Create an ingress rule that allows stateless connections on port 3306 and 33060.

Answer: B

Explanation:
To enable client applications to connect to a MySQL DB system that uses default port numbers and is attached to a subnet, you need tocreate an ingress rule that allows stateful connections on port 3306 and 33060(Answer C).
* Ingress Rule: An ingress rule specifies the types of inbound connections that are allowed to a resource within a subnet.
* Stateful Connections: Stateful connections keep track of the state of network connections passing through them, allowing return traffic to pass automatically.
Steps:
* Navigate to the Virtual Cloud Network (VCN) in the OCI Console.
* Open the subnet to which the MySQL DB system is attached.
* Add an ingress rule to the subnet's security list to allow traffic on port 3306 (MySQL) and 33060 (MySQL X Protocol).
* Ensure the rule is stateful to maintain the connection state.
References:
* OCI Networking Documentation
* MySQL X Protocol Documentation


NEW QUESTION # 36
Which is true about exporting data to Object Storage with MySQL Shell util.dumpInstance?

  • A. You must specify ocimds: true.
  • B. You must have a valid OCI CLI configuration.
  • C. You must provide an OCI username and password to gain write access to Object Storage.
  • D. You must specify ociParManifest: true.

Answer: D

Explanation:
When exporting data to Object Storage withMySQL Shell util.dumpInstance,you must specify ociParManifest: true(Answer B). This option creates a pre-authenticated request (PAR) manifest file, which allows for secure access and upload to Object Storage without requiring direct credentials.
References:
* MySQL Shell Documentation
* OCI Object Storage Documentation


NEW QUESTION # 37
You can perform a node estimate when adding a HeatWave cluster to a DB system in OCI Console. Which two tasks are performed by the node estimate process? (Choose two.)

  • A. Generate a set of alter statements to load selected tables into the HeatWave cluster.
  • B. Estimate the disk storage required for each user table.
  • C. Estimate the number of OCPUs required to process selected user tables.
  • D. Generate a load command to activate Auto Parallel Load.
  • E. Estimate the memory required for each user table.

Answer: C,E

Explanation:
When performing a node estimate while adding a HeatWave cluster to a DB system in OCI Console, the process undertakes the following tasks:
* Estimate the number of OCPUs required to process selected user tables(Answer B): The node estimation process calculates the necessary OCPUs based on the size and complexity of the tables selected by the user. This ensures that the cluster has adequate processing power for efficient performance.
* Estimate the memory required for each user table(Answer C): This task involves determining the memory requirements for each table that will be loaded into the HeatWave cluster. This ensures that there is sufficient memory to handle the data and execute queries efficiently.
References:
* OCI Console Documentation on HeatWave
* MySQL HeatWave User Guide


NEW QUESTION # 38
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