Ab Initio Latest Quiz

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| By SGundrai
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SGundrai
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Quizzes Created: 1 | Total Attempts: 1,575
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  • 1/30 Questions

    How do you perform the manual rollback of a job?

    • Rm
    • M_rollback
    • M_delete
    • None
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Ab Initio Quizzes & Trivia
About This Quiz

The 'Ab Initio latest quiz' assesses knowledge on deploying scripts, managing data quality, and optimizing resource utilization in Ab Initio ETL tool. It tests skills crucial for data engineers, focusing on practical applications and manual operations in data processing workflows.

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  • 2. 

    What is max-core?

    • Swap memory

    • Amount of memory required for a component

    • Physical memory

    • None

    Correct Answer
    A. Amount of memory required for a component
    Explanation
    Max-core refers to the maximum amount of memory that is required for a specific component. It represents the upper limit of memory usage for that component. This can be important for system administrators and developers to ensure that the component has enough memory allocated to function properly. It helps in optimizing memory usage and preventing any potential memory-related issues.

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  • 3. 

    How do you implement the sequence numbers for records?

    • Next_in_sequence

    • Surrogate key

    • Leading records

    • None

    Correct Answer
    A. Next_in_sequence
    Explanation
    The correct answer is "next_in_sequence." This means that to implement sequence numbers for records, the next number in the sequence is used. This could be achieved by incrementing a counter or using an auto-increment feature provided by a database system. This ensures that each record is assigned a unique and sequential number, allowing for easy identification and ordering of the records.

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  • 4. 

    What is a layout?

    • Directory

    • Defines program component where to run

    • Logical directory

    • None

    Correct Answer
    A. Defines program component where to run
    Explanation
    A layout refers to the arrangement or organization of program components in a specific way that determines where they will be executed or run. It provides a structure or blueprint for the program to follow, indicating which components should be placed where in order to ensure proper functionality.

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  • 5. 

    What is reject-threshold?

    • No.of records to be processed successfully

    • How many rejected records are allowed

    • Abort the graph

    • None

    Correct Answer
    A. How many rejected records are allowed
    Explanation
    The reject-threshold refers to the maximum number of rejected records that are allowed during a process. It is not the number of records to be processed successfully, nor does it relate to aborting the graph. Instead, it specifically focuses on determining the limit for the number of records that can be rejected before any further action needs to be taken.

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  • 6. 

    What is the abInitio's default source control system

    • Veritas

    • EME

    • Control-M

    • None

    Correct Answer
    A. EME
    Explanation
    EME is the default source control system for abInitio. EME stands for Enterprise Meta>Environment, which is a metadata management and collaboration platform. It is specifically designed for the abInitio software and provides version control, audit trails, and other features necessary for managing and tracking changes to abInitio applications and components. Using EME, developers can efficiently collaborate, share, and manage their work in a controlled and organized manner.

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  • 7. 

    Can a private project accesses the objects of the other private project?

    • True

    • False

    Correct Answer
    A. False
  • 8. 

    Can join component be used to remove the duplicates?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The join component in data processing can be used to remove duplicates by performing a join operation on a dataset with itself, using a unique identifier as the join key. This process will eliminate duplicate records from the dataset, resulting in a dataset without duplicates. Therefore, the statement is true.

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  • 9. 

    An adhoc multifile is?

    • Parallel dataset with data partitions with set of serial files

    • Parallel files

    • Multi-files

    • None

    Correct Answer
    A. Parallel dataset with data partitions with set of serial files
    Explanation
    An adhoc multifile refers to a parallel dataset that consists of data partitions, which are further composed of a set of serial files. This means that the data is divided into multiple parts and stored in separate files, allowing for parallel processing and efficient data retrieval.

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  • 10. 

    Can we have 2 or more co->systems pointing to the latest version of the EME?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Yes, we can have 2 or more co-systems pointing to the latest version of the EME. This means that multiple co-systems can access and utilize the latest version of the EME simultaneously. Having multiple co-systems pointing to the latest version allows for increased efficiency and collaboration among different systems.

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  • 11. 

    How to calculate the memory usage of a folded component

    • Main memory + swap memory

    • Base amount + lookups + max-core [ base amount represents the memory required to start each component process ]

    • Max-core+disk space

    • None

    Correct Answer
    A. Base amount + lookups + max-core [ base amount represents the memory required to start each component process ]
    Explanation
    The memory usage of a folded component can be calculated by adding the base amount, which represents the memory required to start each component process, to the lookups and max-core. The base amount is the minimum amount of memory needed to initiate the component process, while lookups and max-core represent additional memory requirements. Therefore, the total memory usage is determined by these three factors.

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  • 12. 

    When program components execute simultaneously on different branches of a graph is?

    • Pipeline parallelism

    • Data parallelism

    • Component parallelism

    • None

    Correct Answer
    A. Component parallelism
    Explanation
    Component parallelism refers to the execution of program components simultaneously on different branches of a graph. In this type of parallelism, different components of a program can be executed concurrently, allowing for efficient utilization of resources and potentially reducing the overall execution time. This approach is particularly useful when different components of a program are independent of each other and can be executed in parallel without any dependencies or synchronization requirements.

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  • 13. 

    Allocate() will

    • Construct an initial value for an object

    • Creates an object

    • Creates an object with 1

    • None

    Correct Answer
    A. Construct an initial value for an object
    Explanation
    The function allocate() is used to construct an initial value for an object. It is responsible for creating and initializing the object with a starting value. This suggests that the allocate() function is used to allocate memory and resources for the object and set its initial state or value.

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  • 14. 

    Can we have function fields in a dml?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Function fields can be defined in a DML (Data Manipulation Language) statement. A function field is a computed field that derives its value from the result of a function or an expression. It allows users to perform calculations or transformations on data during the execution of a DML statement. These function fields can be used to manipulate data before inserting, updating, or deleting records in a database table. Therefore, the correct answer is true.

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  • 15. 

    What are the data quality functions in abinitio?

    • Force_error

    • Abort

    • Is_valid

    • Is_null

    Correct Answer(s)
    A. Is_valid
    A. Is_null
    Explanation
    The data quality functions in Abinitio include "is_valid" and "is_null". The "is_valid" function checks if the data is valid or not, while the "is_null" function checks if the data is null or not. These functions are used to ensure the quality and integrity of the data being processed in Abinitio.

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  • 16. 

    Which are the following components used to filter the data?

    • FILTER BY EXPRESS

    • REDIFINE

    • REFORMAT

    • NONE

    Correct Answer(s)
    A. FILTER BY EXPRESS
    A. REFORMAT
    Explanation
    FILTER BY EXPRESS and REFORMAT are the components used to filter the data. FILTER BY EXPRESS is used to filter the data based on specific conditions or expressions, allowing only the desired data to pass through. REFORMAT is used to transform the structure or format of the data, which can also include filtering out unwanted data. Therefore, both FILTER BY EXPRESS and REFORMAT are used as components to filter the data.

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  • 17. 

    Which type of DML is faster in processing the data sets?

    • Variable Length DML

    • Fixed Length DML

    • Conditional DML

    • All of the above

    Correct Answer
    A. Fixed Length DML
    Explanation
    Fixed Length DML is faster in processing data sets because it operates on fixed-length records, which means that each record has a predetermined size. This allows for faster processing as the system knows the exact size of each record and can efficiently allocate memory and perform operations. On the other hand, Variable Length DML and Conditional DML involve records with varying sizes, which can result in slower processing due to the need for additional memory allocation and more complex operations. Therefore, Fixed Length DML is the preferred choice for faster data set processing.

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  • 18. 

    Dependency analysis is meant for?

    • Code flexibility

    • Data lineage

    • Storage of the graphs

    • None

    Correct Answer
    A. Data lineage
    Explanation
    Dependency analysis is a technique used to determine the relationships and dependencies between different components or elements in a system. In the context of the given options, data lineage refers to the ability to track and understand the origin, movement, and transformation of data throughout its lifecycle. Therefore, dependency analysis is primarily used for data lineage, as it helps to identify and analyze the dependencies between different data elements, ensuring data integrity and facilitating data management and governance processes.

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  • 19. 

    What is the extended ASCII range

    • 0-127

    • 128-255

    • 0-1

    • All of the above

    Correct Answer
    A. 128-255
    Explanation
    The extended ASCII range refers to the range of characters that can be represented using ASCII codes beyond the standard 7-bit ASCII range (0-127). This extended range includes characters with codes ranging from 128 to 255. Therefore, the correct answer is 128-255.

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  • 20. 

    What are the two database interface modes from abinitio?

    • Load

    • Import

    • API

    • Utility

    Correct Answer(s)
    A. API
    A. Utility
    Explanation
    Ab Initio provides two database interface modes: API and utility. API stands for Application Programming Interface, which allows users to interact with the database using programming languages and execute complex database operations. Utility mode, on the other hand, provides a user-friendly interface for performing routine database tasks such as data loading, extraction, and transformation. These two modes offer different levels of flexibility and functionality to suit different user requirements when working with databases in Ab Initio.

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  • 21. 

    What type of flow buffering is enabled for a graph by default?

    • Manual

    • Automatic

    • Both of the above

    • None

    Correct Answer
    A. Automatic
    Explanation
    By default, the type of flow buffering that is enabled for a graph is automatic. This means that the system will automatically determine the appropriate flow buffering based on the requirements of the graph. The system will dynamically adjust the flow buffering as needed to optimize the performance and efficiency of the graph. This allows for efficient processing and handling of data within the graph without the need for manual intervention or configuration.

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  • 22. 

    Can SORT component used to implement pipeline parallelism?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The SORT component is not used to implement pipeline parallelism. Pipeline parallelism refers to the technique of dividing a task into multiple stages, where each stage processes a portion of the data concurrently. The SORT component, as the name suggests, is used to sort data and is not directly related to parallel processing. Other components, such as SPLIT, MERGE, and AGGREGATE, are typically used to implement pipeline parallelism. Therefore, the correct answer is False.

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  • 23. 

    Why do we have a phase in a graph?

    • Divide the graph

    • Easy to understand

    • Resource utilization

    • None

    Correct Answer
    A. Resource utilization
    Explanation
    The phase in a graph is necessary for resource utilization. By dividing the graph into different phases, we can allocate and manage resources efficiently. Each phase represents a specific set of tasks or operations that can be executed concurrently or in parallel, maximizing the utilization of available resources. This allows for better performance and optimization of the overall system.

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  • 24. 

    What is ab_type_info in ab initio?

    • Ab initio information

    • Data type information of dml fields

    • Environment infomation

    • All of the above

    Correct Answer
    A. Data type information of dml fields
    Explanation
    The ab_type_info in Ab Initio refers to the data type information of DML (Data Manipulation Language) fields. It provides details about the structure and format of the data fields used in Ab Initio graphs and transformations. This information is crucial for accurately processing and transforming the data within the Ab Initio environment. Therefore, the correct answer is "data type information of DML fields."

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  • 25. 

    Where will be the GDE temporary files [ not job related files ] created?

    • Mp directory

    • Run directory

    • Host directory

    • None

    Correct Answer
    A. Run directory
    Explanation
    The GDE temporary files, which are not job-related files, will be created in the run directory.

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  • 26. 

    How do you create the summary tracking report?

    • M_report

    • AB_REPORT="summary"

    • AB_SUMMARY

    • None

    Correct Answer
    A. AB_REPORT="summary"
    Explanation
    The correct answer is AB_REPORT="summary". This answer suggests that to create the summary tracking report, the variable AB_REPORT should be set to "summary". This indicates that the report being generated will provide a summary of the tracking data. The other variables mentioned in the question, m_report and AB_SUMMARY, do not seem to be relevant to the creation of the summary tracking report.

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  • 27. 

    What is best fit for the tuning of the graph

    • Database functions to be defined in SQL

    • Drop the fields that are not required

    • Filter out what is not needed

    • None

    Correct Answer(s)
    A. Drop the fields that are not required
    A. Filter out what is not needed
    Explanation
    The best fit for tuning the graph and optimizing database functions defined in SQL is to drop the fields that are not required and filter out what is not needed. By removing unnecessary fields and data, the graph can be streamlined and optimized for better performance and efficiency. This helps to reduce the amount of data being processed and improves the overall speed and responsiveness of the graph.

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  • 28. 

    What is AB_LOCAL() construct in ab initio?

    • Abinitio local variable

    • Parse grammer in complex SQL statements

    • Function in abinitio

    • All of the above

    Correct Answer
    A. Parse grammer in complex SQL statements
    Explanation
    The AB_LOCAL() construct in Ab Initio is used to parse grammar in complex SQL statements. It allows for the extraction and manipulation of data from SQL statements, making it easier to work with and analyze complex data structures. This construct is a function in Ab Initio that helps in handling and processing SQL statements effectively.

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  • 29. 

    How to deploy the script?

    • GDE

    • COMMAND LINE

    • AIR COMMAND

    • NONE

    Correct Answer(s)
    A. GDE
    A. COMMAND LINE
    Explanation
    To deploy the script, the GDE (Graphical Development Environment) and the command line can be used. The GDE provides a user-friendly interface for deploying the script, while the command line allows for more advanced and automated deployment options. The "GDE, COMMAND LINE" answer suggests that both methods can be used to deploy the script.

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  • 30. 

    A continuous graph can run

    • Forever

    • Exit when no more data is available

    • Exit based on the content of the data

    • None

    Correct Answer(s)
    A. Forever
    A. Exit when no more data is available
    A. Exit based on the content of the data
    Explanation
    A continuous graph can run forever because it represents a continuous function that has no breaks or interruptions. It can extend infinitely in both the positive and negative directions. However, it can also exit when no more data is available, meaning that the graph stops when there is no more information to plot. Additionally, the graph can also exit based on the content of the data, such as reaching a certain threshold or condition that determines the end of the graph.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 15, 2013
    Quiz Created by
    SGundrai
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