1z0-448.oracle - GRATIS EXAM · A. ODI uses its own transformation engine to process data in a...

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1z0-448.oracle

Number: 1z0-448Passing Score: 801Time Limit: 120 minFile Version: 5.0


ORACLE 1z0-448

Oracle Data Integrator 12c Essentials

Version 5.0


Exam A

QUESTION 1You need to create a package that automatically sends an alert to users in case the third step fails.

Which option represents the steps to accomplish this? (Choose the best answer.)


A. Add an OdiSendMail step to My Package and link the My Third Package step to it by using a green OK arrow.B. Add an OdiSendMail step to My Package and link the My Last Package step to it by using a red KO arrow.C. Add an OdiReadMail step to My Package and link the My Third Package step to it by using a red KO arrow.D. Add an OdiSendMail step to My Package and link the My Third Package step to it by using a red KO arrow.

Correct Answer: BSection: (none)Explanation

Explanation/Reference:(https://gurcanorhan.wordpress.com/2012/11/30/odi-alert-mechanism/)

QUESTION 2Identify two correct exception behavior values for Run Scenario steps in load plans. (Choose two.)

A. Run Exception and RestartB. Run Exception and ContinueC. Run Exception and IgnoreD. Run Exception and FailE. Run Exception and Raise

Correct Answer: CESection: (none)Explanation

Explanation/Reference:


(https://docs.oracle.com/middleware/1212/odi/ODIDG/loadplans.htm#ODIDG1350)

QUESTION 3Which statement is true about defining more than one physical schema associated to the same data server? (Choose the best answer.)

A. ODI topology does not allow defining more than one physical schema for a data server; the associated logical schema would be ambiguous.B. It is possible to define more than one physical schema associated to the same data server, but it is mandatory to specify a different user to log in.C. It is possible to define more than one physical schema associated to the same data server, but you must flag the default physical schema.D. It is possible but it is better to avoid doing so because it is more difficult to define a logical schema this way.

Correct Answer: CSection: (none)Explanation

Explanation/Reference:(http://odiexperts.com/context-logical-and-physical-schema-how-does-it-work/)

QUESTION 4You are working with delimited flat files and want to enforce a primary key on a flat file by using a Check Knowledge Modules (CKM). However, you encounter anerror.

Why did this happen? (Choose the best answer.)


A. It is not possible to enforce constraints on some technologies such as flat files and Java Messaging Service (JMS) queries.B. It is not possible to enforce constraints on any technology.C. It is only possible to forward-engineer it to the flat file definition.D. It is possible to enforce a primary key on a flat file by using a CKM; however, you have to save it as a fixed file.

Correct Answer: DSection: (none)Explanation

Explanation/Reference:(http://www.oracle.com/technetwork/middleware/data-integrator/learnmore/odi-best-practice-data-warehouse-168255.pdf)


QUESTION 5Which statement is correct about the tasks that Standalone Agents perform? (Choose the best answer.)

A. They update or modify code to be executed, check security, select database servers, and update log files after execution.B. They schedule scenarios to be executed, check security, constraints and update log files after execution.C. They retrieve code from the execution repository and request database servers, operating systems, or scripting engines for execution.D. They schedule code from the execution repository and update log files after execution.


Explanation/Reference:(http://docs.oracle.com/cd/E21764_01/integrate.1111/e12641/overview.htm#ODIGS423)

QUESTION 6As part of your QA process you want to view code at the Step level in Operator. How must you proceed? (Choose the best answer.)

A. It is only possible to see code at the Session level.B. It is only possible to view code at the Task level.C. Depending on the audit level declared when running the execution, some of the generated code at the step level can be viewed.D. All generated code can be viewed together at the step level, with a complete list of executed code.

Correct Answer: ASection: (none)Explanation

Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/debugging.htm#ODIDG1641)

QUESTION 7You are using a customized reverse knowledge module. You want the execution to be performed in only the development data environment. Which statement istrue? (Choose the best answer.)

A. The execution should be done only on the development data environment, as long as the other environment is a mirrored copy.B. Only the production environment can be used.C. All environments linked to a logical schema can be used to reverse-engineer table structures.D. Only a Java engine intermediate environment can be processed.



Explanation/Reference:(http://docs.oracle.com/cd/E23943_01/integrate.1111/e12643/create_rev_model.htm#ODIDG227)

QUESTION 8Your package logic requires you to retrieve the status of the previous package step into a variable. How must you implement this? (Choose the best answer.)

A. Create a variable, use odiRef.getPrevStepLog () in the SQL query in its Refreshing tab, and add a variable as a Refresh Variable step into the package.B. Create a variable, use odiRef.getPrevInfo () in the SQL query in its Refreshing tab, and add a variable as a Refresh Variable step into the package.C. Create a variable, use odiRef.getStep () in the SQL query in its Refreshing tab, and add a variable as a Refresh Variable step into the package.D. Create a variable, use odiRef.getPrevStepStatus () in the SQL query in its Refreshing tab, and add a variable as a Refresh Variable step into the

package.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIKD/odiref_reference.htm#ODIKD1237)

QUESTION 9Which product is included in ODI web-based components? (Choose the best answer.)


A. Oracle BPEL Process ManagerB. Oracle GoldenGateC. ODI ConsoleD. Oracle WebLogic Server

Correct Answer: C


Section: (none)Explanation

Explanation/Reference:(http://www.oracle.com/technetwork/middleware/data-integrator/overview/oracledi-architecture-1-129425.pdf)

QUESTION 10Which two statements are true about using ODI and Oracle GoldenGate together? (Choose two.)

A. Oracle GoldenGate primarily performs aggregations for ODI.B. Oracle GoldenGate and ODI are used together primarily for running weekly batch jobs.C. Oracle GoldenGate provides non-invasive changed data capture capabilities to ODI.D. ODI starts and stops Oracle GoldenGate processes automatically during a Mapping execution.E. ODI and Oracle GoldenGate enable real-time business intelligence.

Correct Answer: AESection: (none)Explanation

Explanation/Reference:(http://www.oracle.com/us/products/middleware/data-integration/oracle-goldengate-realtime-access-2031152.pdf)

QUESTION 11You are working on notifications in a package and you must send an email containing an error message in case a Package step fails.

Which odiRef method do you use to access the error message? (Choose the best answer.)

A. odiRef.getSession()

B. odiRef.getInfo()

C. odiRef.getPrevStepLog()

D. odiRef.getStep()


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIKD/odiref_reference.htm#ODIKD1147)

QUESTION 12


Which is the correct statement about the contents of Master repositories? (Choose the best answer.)

A. They contain data model and security information.B. They contain security and topology information.C. They contain project and topology information.D. They contain project and security information.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/admin_reps.htm#ODIDG155)

QUESTION 13Which two statements are true about big data support in ODI? (Choose two.)

A. ODI uses its own transformation engine to process data in a Hadoop cluster.B. ODI performs data transformations inside a Hadoop cluster.C. ODI must perform data transformations outside Hadoop in an Oracle database.D. ODI allows moving data in and out of a Hadoop cluster.

Correct Answer: BDSection: (none)Explanation

Explanation/Reference:(https://docs.oracle.com/middleware/1213/odi/develop-app-adapters/hadoop.htm#ODIAA193)

QUESTION 14You want to add a new CDC subscriber in ODI after you have started the journal process. Which option represents the steps to use this new subscriber? (Choosethe best answer.)

A. Add a new subscriber and edit the default Journalizing filter in your Mappings.B. Drop the journal, add a new subscriber, start the journal, and edit the default Journalizing filter in your Mappings.C. Drop the journal, remove existing subscribers, add a new subscriber, start the journal, and edit the default Journalizing filter in your Mappings.D. Add a new subscriber, start the journal, and remove the default Journalizing filter in your Mappings.

Correct Answer: B



Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/data_capture.htm#ODIDG285)

QUESTION 15Identify two correct statements about reusable Mappings. (Choose two.)


A. They can have generic input and output signatures.B. They contain both a Logical and Physical Mapping design.C. They can be used within regular Mappings.D. They can be executed directly.E. They can be shared across projects.

Correct Answer: ABSection: (none)Explanation

Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/mappings.htm#ODIDG1617)

QUESTION 16In a Mapping, you want to load the data by using a specific partition that is declared for a target table. Which statement is correct in this situation? (Choose the bestanswer)

A. It is not possible to use a specific partition.B. Only ODI variables can be used to filter the target table loading.C. An option in the Mapping can be used to declare partitions but an ODI variable must be used to evaluate the correct partition value.D. An option in the Mapping can be used to declare the partition that has to be used for the loading.

Correct Answer: DSection: (none)


Explanation

Explanation/Reference:(http://docs.oracle.com/cd/E21764_01/integrate.1111/e12643/interfaces.htm#ODIDG1044)

QUESTION 17You want to override the code generated by ODI and provide a custom SQL statement as the source of a Mapping. How must you proceed? (Choose the bestanswer.)

A. Duplicate the Integration Knowledge Module, add an option CUSTOM_TEMPLATE, and set it within the Mapping.B. Duplicate the Check Knowledge Module, add an option CUSTOM_TEMPLATE, and set it within the Mapping.C. In the Physical tab of a Mapping, click one of the source data stores, select the Extract Options, and enter the SQL statement in the CUSTOM_TEMPLATE field.D. Duplicate the Loading Knowledge module, add an option CUSTOM_TEMPLATE, and set it within the Mapping.


Explanation/Reference:(https://blogs.oracle.com/dataintegration/entry/sessionizing_data_with_match_recognize)

QUESTION 18You must modify the order in which data stores are being journalized in a model. What sequence of steps do you follow to achieve this? (Choose the best answer.)

A. Open the model, go to the Journalizing tab, and modify the order there.B. Right-click Datastore, select Changed Data Capture, and then select Order.C. Open the model, go to the Journalized tables tab, and modify the order there.D. Open the data stores, go to the Journalizing tab, and modify the order there.



QUESTION 19You need to troubleshoot the execution of a Mapping and visualize the data contained in the ODI Staging tables while the Mapping is being executed. How must youproceed? (Choose the best answer.)


A. Start a Mapping in Debug mode and use breakpoints and the Get Data feature to query the data contained in the Staging tables.B. Modify a Knowledge Module to dump the Staging tables’ data into log files for review.C. Use variables in a Package to query the Staging tables and evaluate the variable values.D. Reverse engineer the Staging tables in a Model and review the data contained in it.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIKD/rkm.htm#ODIKD909)

QUESTION 20You are defining a data store in ODI metadata and want to add a primary key even if it does not physically exist on the related database catalog.

How can you accomplish this? (Choose the best answer.)


A. You can add a primary key even if it does not physically exist on the related database catalog, by adding constraints on the data store.B. You can add a primary key even if it does not physically exist on the related database catalog, by adding constraints to the data store diagram.C. You cannot add a primary key if it does not physically exist on the related database catalog. You can flag only non-null conditions to be checked.D. You cannot add a primary key if it does not physically exist on the related database catalog. You can reverse engineer only the existing constraints.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIKM/teradata.htm#ODIKM1061)

QUESTION 21Identify the name of the default WebLogic data source created for the Master Repository when setting up a JEE domain. (Choose the best answer.)

A. odiMasterRepository


B. MasterRepositoryC. odimasterrepositoryD. ODIMasterRepository


Explanation/Reference:(https://docs.oracle.com/cd/E23943_01/install.1111/e16453/configure.htm#ODING303)

QUESTION 22Which are the two correct statements about Work repositories? (Choose two.)

A. They contain project and security information.B. They contain data models and execution information.C. They contain data and security information.D. They contain data models and project information.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/admin_reps.htm#ODIDG155)

QUESTION 23You need to reverse engineer a flat file that contains multiple record formats. How must you proceed? (Choose the best answer.)

A. Create a Data Server by using the File technology and specify the various record formats while reverse engineering the file.B. Create a Data Server by using the XML technology, create an nXSD file by using the Native Format Builder, and then reverse engineer it in a Model.C. Create a Data Server by using the File technology, create an nXSD file by using the Native Format Builder, and then reverse engineer it in a Model.D. Create a Data Server by using the Complex File technology, create an nXSD file by using the Native Format Builder, and then reverse engineer it in a Model.




(https://blogs.oracle.com/dataintegration/entry/oracle_data_integrator_11_1)

QUESTION 24You are designing a load plan in which you must create multiple branches based on the value of a variable. How do you accomplish this by using Load Plan Editor?(Choose the best answer.)

A. Add a case step and drag the variable into the case step.B. Create a scenario from the variable and add the scenario to the load plan to create a case step.C. Add a case step in the load plan and select a variable in the wizard.D. Drag the variable into the load plan and define a case step.


Explanation/Reference:(https://docs.oracle.com/middleware/1213/odi/develop/loadplans.htm#ODIDG1356)

QUESTION 25You must split a model with many database tables into multiple sub-models based on their names. How must you proceed? (Choose the best answer)

A. Create new submodels and drag data stores individually to each submodel.B. Use automatic distribution feature at the models level to automatically create the submodels and move the data stores based on their names.C. Create new submodels and leverage the automatic distribution feature at the submodels level to automatically move the data stores based on their names.D. Create new models, drag the data stores individually to each model and then drag the models to the parent model to create submodels.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/organizing_documenting.htm#ODIDG524)

QUESTION 26Which two objects can be dragged to a Mapping? (Choose two.)

A. VariablesB. DatastoresC. Knowledge Modules


D. Reusable Mappings

Correct Answer: BDSection: (none)Explanation

Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/mappings.htm#ODIDG1560)

QUESTION 27Identify two correct Restart values for parallel steps in load plans. (Choose two.)


A. Restart from new session.B. Restart from failure.C. Restart from failed children.D. Restart all children.

Correct Answer: CDSection: (none)Explanation

Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/loadplans.htm#ODIDG1409)

QUESTION 28Which two statements are true about ODI web-based components? (Choose two.)

A. ODI Console allows administrators to edit users’ information.B. Enterprise Manager Cloud Control provides access to ODI data servers’ settings.C. ODI sessions can be monitored in Enterprise Manager Cloud Control.D. ODI Console provides access to project and mapping details.

Correct Answer: AD



Explanation/Reference:(http://www.oracle.com/technetwork/middleware/data-integrator/overview/oracledi-architecture-1-129425.pdf)

QUESTION 29You are designing a load plan in which you must run Mappings A and B one after the other while running Mapping C at the same time. Which option represents thesteps to accomplish this? (Choose the best answer.)

A. Add a parallel step, add three serial steps underneath it, then add A to the first parallel step, B to the second one, and C to the last one.B. Create a scenario from the variable and add the scenario to the load plan to create a case step.C. Add a parallel step, add two parallel steps underneath it, then add A and B to one parallel step, and C to the other.D. Add a parallel step, add two serial steps underneath it, then add A and B to one serial step, and C to the other.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/loadplans.htm#ODIDG1356)

QUESTION 30Which statement is correct about choosing the join order in an ODI Mapping when defining a join? (Choose the best answer.)

A. This option is inherited from reverse engineering.B. This option is always available.C. You can never make this choice.D. This option may be available only if the underlying technology supports it.


Explanation/Reference:(https://blogs.oracle.com/dataintegration/entry/user_interface_and_terminology_changes1)

QUESTION 31Identify two constraints that can be used to ensure uniqueness in ODI. (Choose two.)


A. conditionsB. foreign keysC. primary keysD. alternate keysE. not null

Correct Answer: BESection: (none)Explanation

Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/intro.htm#ODIDG113)

QUESTION 32You need to deploy ODI JEE Components on WebLogic Server. Where should you deploy them? (Choose the best answer.)

A. on the Coherence ServerB. on the Administration ServerC. on the Node ManagerD. on the Managed Server


Explanation/Reference:(http://docs.oracle.com/cd/E25054_01/core.1111/e10106/odi.htm)

QUESTION 33You are designing a Mapping. How are target and source tables defined? (Choose the best answer.)

A. Their definition is imported with a reverse-engineering process directly from databases and other sources, but you must manually define all keys and constraintsexisting on the database.

B. Their definition is imported with a reverse-engineering process directly from databases and other sources.C. For every load the definition of the tables used, their columns and constraints must be manually built.D. An external engine must be run to describe what metadata is needed for a Mapping.

Correct Answer: ASection: (none)


Explanation

Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/create_rev_model.htm#ODIDG234)

QUESTION 34Updates have been made to Mappings in a package. What must you do to ensure that the Production team runs a scenario that contains those updates whilepreserving the existing scenario’s schedule? (Choose the best answer.)

A. Regenerate the existing scenario.B. Nothing, the existing scenario will automatically be updated.C. Generate a new scenario and create a new schedule.D. Generate a new scenario and attach the previous scenario’s schedule to it.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/scenarios.htm#ODIDG470)

QUESTION 35What is the main benefit of using consistent set journalizing compared to simple journalizing? (Choose the best answer.)


A. Consistent set journalizing runs faster than simple journalizing.B. Consistent set journalizing always uses Oracle GoldenGate.C. Consistent set journalizing treats each data store individually.D. Consistent set journalizing provides a guarantee of consistency of the captured changes.




(https://docs.oracle.com/middleware/1212/odi/ODIDG/data_capture.htm#ODIDG272)

QUESTION 36You are setting up the topology for an infrastructure with three different environments: Dev, QA, and Prod. How must you create Logical Schemas? (Choose thebest answer.)

A. Create one Logical Schema per Physical Schema.B. Create one Logical Schema per Physical Schema that stores the same type of data.C. Create one Logical Schema per Data Server.D. Create one Logical Schema per Context.


Explanation/Reference:(https://docs.oracle.com/middleware/1213/odi/develop/setup_topology.htm#ODIDG174)

QUESTION 37Your project requires a loop through the same package logic 24/7. You must be able to purge those executions when required. How do you accomplish this?(Choose the best answer.)

A. Link the last step of the package to its first step to create an infinite loop.B. Create a scenario from the package, add the scenario as the last step in the package, run it asynchronously, and then save and regenerate this scenario.C. Create a scenario from the package, add the scenario as the last step in the package, run it asynchronously, and then save.D. Drag the package to the last step in the package, run it asynchronously, and then save.


Explanation/Reference:(http://www.rittmanmead.com/2015/04/di-tips-odi-convert-to-flow/)

QUESTION 38How are the domains of ODI Agents configured? (Choose the best answer.)

A. by using Upgrade AssistantB. by using ODI Studio


C. by using Domain Creation AssistantD. by using Configuration Wizard


Explanation/Reference:(https://docs.oracle.com/middleware/1213/core/ODING/configure_jee.htm#ODING291)

QUESTION 39You want to deploy the generated code manually in a source or target server, before executing a mapping in ODI. How can you accomplish this? (Choose the bestanswer.)

A. You need not deploy the generated code manually in a source or target server. ODI Agent coordinates the execution of commands prepared for the job, andexecutes them on the correct server.

B. You must deploy the generated code manually in a source or target server. You must then compile the generated code and then double-check if the codeprepared for the development server is the same as the code for the production server.

C. You need not deploy the generated code manually in a source or target server. ODI prepares a package for the development environment.D. You must deploy the generated code manually in a source or target server. You must copy all procedures generated into the development, test, and production

servers.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/intro.htm#ODIDG149)

QUESTION 40What must you set on the Definition tab of a variable to protect the variable value from being displayed in the Operator logs? (Choose the best answer.)


A. Select the Secure Value check box.B. Select the Hide Value check box.


C. Set the Keep History field to No History.D. Leave the Default Value field empty.


Explanation/Reference:(https://docs.oracle.com/middleware/1212/odi/ODIDG/procedures.htm#ODIDG464)

QUESTION 41A Mapping that uses CDC does not load any source data and you want to check the SNP_CDC_SET table to find out the current window ID.

In which database schema must you look to find this table? (Choose the best answer.)

A. the schema hosting the Work repositoryB. the schema hosting the Work schema of the default schema defined for your source data serverC. the schema hosting the Staging AreaD. SYS


Explanation/Reference:(http://www.ateam-oracle.com/understanding-the-odi-jkms-and-how-they-work-with-oracle-goldengate/ )

QUESTION 42You must ensure that your Mappings do not run into connectivity issues when moving data from server A to server B by using an AGT agent that is running onserver B.

How must you test this by using ODI Studio running on machine C? (Choose the best answer.)

A. Use OdiPingAgent in a package to ping AGT agent.B. In Topology, test the connections to servers A and B by using the AGT agent.C. In Topology, test the connections to the AGT agent.D. In Topology, test the connections to servers A and B by using Local (No Agent).

Correct Answer: B



Explanation/Reference:(http://www.ateam-oracle.com/how-to-understand-and-diagnose-odi-connectivity-issues/) as per this link even choice A is right as its alternative/additional methodfor testing connectivity

QUESTION 43You design a package with mappings that consume data from journalized data stores in Consistent Set CDC mode. Which option represents the steps that must beperformed at the beginning of your package to accomplish this? (Choose the best answer.)

A. Add data stores to the package, set Datastores steps to Journalizing Datastore, and select the Extend Window and Lock Subscriber check boxes.B. Add data stores to the package, set Datastores steps to Journalizing Datastore, and select the Unlock Subscriber and Purge Journal check boxes.C. Add a model to the package, set the Model step to Journalizing Model, and select the Extend Window and Lock Subscriber check boxes.D. Add a sub model to the package, set the Sub-model step to Journalizing Sub-model, and select the Extend Window and Lock Subscriber check boxes.



QUESTION 44Identify two benefits that are unique to ODI JEE Agents. (Choose two.)

A. high availabilityB. minimal footprintC. access to WebLogic connection poolsD. management in Enterprise Manager Cloud Control

Correct Answer: ADSection: (none)Explanation

Explanation/Reference:(http://www.ateam-oracle.com/odi-agents-standalone-jee-and-colocated/)

QUESTION 45Which statement is true about the IKM SQL Control Append that creates an intermediate integration table prefixed with I$? (Choose the best answer.)


A. The intermediate integration table prefixed with I$ is required to determine which records must be inserted.B. If Flow Control is not necessary, an I$ table is not created.C. The intermediate integration table prefixed with I$ is created because the flow control is mandatory when doing an initial load.D. Neither the LKM nor the IKM create intermediate tables. Most of their work is performed in the ODI Agent memory.


Explanation/Reference:(http://www.oracle.com/us/products/middleware/data-integration/odi-performance-guide-wp-2147067.pdf)

QUESTION 46You want to draw directly in the data flow all the details about how the different servers involved are connected, in order to load a specific table by using ODI.

What must you do to accomplish this? (Choose the best answer.)

A. In the ODI Interface palette, choose the more convenient graphic objects to link the involved servers.B. You need not draw directly in the data flow all the details about how the different servers involved are connected. ODI automatically designs the flow and how

servers are connected.C. You need not draw directly in the data flow all the details about how the different servers involved are connected. The code will be the black box generated

directly by ODI.D. You must draw directly in the data flow all the details about how the different servers involved are connected, and also specify with variables the passwords for

connecting to the data contained in the servers.




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