4th Mock Test Cbe11mf004

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| By Manjunath1987
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Manjunath1987
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Quizzes Created: 7 | Total Attempts: 3,784
Questions: 20 | Attempts: 80

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4th Mock Test   Cbe11mf004 - Quiz


Questions and Answers
  • 1. 

    What is a system data set catalog ?

    • A.

      A reference to the naming standards for datasets

    • B.

      A list of MVS reference libraries

    • C.

      A list of datasets available to MVS along with the location data

    • D.

      The original installation datasets for JCL

    Correct Answer
    C. A list of datasets available to MVS along with the location data
    Explanation
    A system data set catalog is a list of datasets available to MVS (Multiple Virtual Storage) along with the location data. It provides information about the datasets that can be accessed by MVS, including their names and where they are stored. This catalog helps in managing and organizing datasets within the MVS system. It allows users to easily locate and access the datasets they need for their tasks.

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  • 2. 

    What is the purpose of REGION key word ?

    • A.

      Specifies the amount of space required by a step

    • B.

      Specifies the amount of space required by a job

    • C.

      Both a and b

    • D.

      None of the above

    Correct Answer
    C. Both a and b
    Explanation
    The purpose of the REGION keyword is to specify the amount of space required by a step and also by a job. By using this keyword, the user can allocate the necessary memory resources for a particular step or job to ensure that it runs efficiently without any memory issues.

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  • 3. 

    What is the prefix character for symbolic parameter ?

    • A.

      %

    • B.

      &

    • C.

      *

    • D.

      @

    Correct Answer
    B. &
    Explanation
    The prefix character for a symbolic parameter is "&". This means that when using a symbolic parameter in a programming language or system, it should be preceded by the "&" character. This is commonly used in languages like C and C++ to pass parameters by reference, allowing the function to modify the original value of the parameter.

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  • 4. 

    What is the function of the ‘DD MODIFY’ parameter ?

    • A.

      Overrides the LRECL of a cataloged dataset

    • B.

      Specify a copy-modification module to format a printed dataset

    • C.

      Overrides the blocksize of a cataloged dataset

    • D.

      Add records to an existing dataset

    Correct Answer
    D. Add records to an existing dataset
    Explanation
    The function of the 'DD MODIFY' parameter is to add records to an existing dataset. This parameter allows for the modification of an existing dataset by adding additional records to it. It does not override the LRECL or blocksize of the dataset, nor does it specify a copy-modification module for formatting a printed dataset.

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  • 5. 

    How can buffers be assigned to a DCB ?

    • A.

      Through the BUFMAX subparameter

    • B.

      Through the BUFOUT subparameter

    • C.

      Through the BUF subparameter

    • D.

      Through the BUFNO subparameter

    Correct Answer
    D. Through the BUFNO subparameter
    Explanation
    Buffers can be assigned to a DCB through the BUFNO subparameter. This subparameter allows the user to specify the number of buffers to be assigned to the DCB. By setting the BUFNO value, the user can control the buffering of input/output operations for the DCB, ensuring efficient data transfer and processing.

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  • 6. 

    If a generation data set is specified as input without the generation number, what will the input to the DD ?

    • A.

      The most recent generation created

    • B.

      The earliest generation created

    • C.

      A concatenation of all the cataloged generations

    • D.

      A jcl error will be returned to the job

    Correct Answer
    C. A concatenation of all the cataloged generations
    Explanation
    If a generation data set is specified as input without the generation number, the input to the DD statement will be a concatenation of all the cataloged generations. This means that all the generations that have been created and cataloged will be included in the input.

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  • 7. 

    If a (+1) generation dataset is created in the first step of a job, how can it be referenced in later steps of the same job for input?

    • A.

      As the (0) generation

    • B.

      As the (+1) generation

    • C.

      As the (-1) generation

    • D.

      Without the generation number

    Correct Answer
    B. As the (+1) generation
    Explanation
    In the given question, if a (+1) generation dataset is created in the first step of a job, it can be referenced in later steps of the same job for input as the (+1) generation. This means that the dataset created in the first step will be used as input in subsequent steps of the job. The generation number is used to identify and reference different versions or instances of a dataset.

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  • 8. 

    How can a job’s execution priority be modified ?

    • A.

      PRIQTY parameter

    • B.

      PRTY parameter

    • C.

      JOBCLASS parameter

    • D.

      RUNTIME parameter

    Correct Answer
    B. PRTY parameter
    Explanation
    The PRTY parameter can be used to modify a job's execution priority. By adjusting the priority level assigned to a job using this parameter, the system can determine the order in which jobs are executed. A higher priority value means the job will be given more importance and executed sooner compared to jobs with lower priority values.

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  • 9. 

    What parameter directs the output of the job log dataset ?

    • A.

      JOBLOG

    • B.

      MSGCLASS

    • C.

      MSGLEVEL

    • D.

      SYSLOG

    Correct Answer
    B. MSGCLASS
    Explanation
    The parameter that directs the output of the job log dataset is MSGCLASS. This parameter controls the class of messages that are written to the job log dataset. By specifying a particular MSGCLASS, the user can filter the type of messages that are included in the job log dataset, making it easier to analyze and troubleshoot job execution.

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  • 10. 

    What statement can be used to send data to another MVS JES3 node ?

    • A.

      LINK

    • B.

      CONNECT

    • C.

      XMIT

    • D.

      SEND

    Correct Answer
    C. XMIT
    Explanation
    The XMIT statement can be used to send data to another MVS JES3 node.

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  • 11. 

    What parameters can be used to limit the number of records written to a SYSOUT dataset ?

    • A.

      LIMIT

    • B.

      OUTLIM

    • C.

      SIZE

    • D.

      MAX

    Correct Answer
    B. OUTLIM
    Explanation
    The parameter "OUTLIM" can be used to limit the number of records written to a SYSOUT dataset. This parameter allows the user to specify a maximum limit for the number of records that can be written to the dataset. By setting a value for OUTLIM, the system will stop writing records to the dataset once the specified limit is reached.

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  • 12. 

    ___ specifies the largest amount of main memory for any job step within the job.

    • A.

      Notify

    • B.

      Region

    • C.

      typrun

    • D.

      None of the

    Correct Answer
    B. Region
    Explanation
    The correct answer is "Region". In a job, region specifies the largest amount of main memory that can be used by any job step within the job. It sets the upper limit for the amount of memory that a job can consume during its execution. By setting the region parameter, the system can allocate and manage memory resources efficiently, ensuring that each job step has enough memory to complete its tasks without exceeding the overall memory capacity of the system.

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  • 13. 

    Each program executed by a job is called a _________

    • A.

      Job statement

    • B.

      Job step

    • C.

      Exec statement

    • D.

      DD statement

    Correct Answer
    B. Job step
    Explanation
    A job is a collection of one or more programs that are executed together. Each program executed within a job is referred to as a "job step". The job step represents a specific task or action within the overall job execution process. It allows for the sequential execution of multiple programs, ensuring that each step is completed before moving on to the next. Therefore, the correct answer is "Job step".

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  • 14. 

    The maximum number for concatenated sequential datasets in ____ and for PDS in _____

    • A.

      255,16

    • B.

      16,255

    • C.

      256,16

    • D.

      16,256

    Correct Answer
    A. 255,16
    Explanation
    The maximum number for concatenated sequential datasets is 255, while the maximum number for partitioned datasets (PDS) is 16.

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  • 15. 

    JCL statements are coded in _____ records

    • A.

      82 bytes

    • B.

      72 bytes

    • C.

      80 bytes

    • D.

      84 bytes

    Correct Answer
    C. 80 bytes
    Explanation
    JCL statements are coded in 80 bytes records. This means that each JCL statement must fit within 80 bytes of space. This limit ensures that the JCL statements can be easily read and processed by the system. The 80-byte limit is a standard convention in JCL coding and helps to maintain consistency and compatibility across different systems and platforms.

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  • 16. 

    Maximum size of Accounting Information is ___________

    • A.

      142

    • B.

      80

    • C.

      20

    • D.

      152

    Correct Answer
    A. 142
    Explanation
    The maximum size of Accounting Information is 142. This means that the amount of data or information that can be stored or processed in an accounting system is limited to 142 units or characters.

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  • 17. 

    REGION = ___ means all available spaces allocated to a job.

    • A.

      0K

    • B.

      0M

    • C.

      0K or 0M

    • D.

      None of these

    Correct Answer
    C. 0K or 0M
    Explanation
    The answer "0K or 0M" is correct because the term "REGION = ___" indicates that all available spaces are allocated to a job. The options "0K" and "0M" both represent zero kilobytes and zero megabytes, respectively, which means that no space is allocated. Therefore, either "0K" or "0M" can be used to represent the allocation of all available spaces to a job.

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  • 18. 

    .______ symbol identifies a temporary dataset

    • A.

      //

    • B.

      **

    • C.

      &

    • D.

      &&

    Correct Answer
    D. &&
    Explanation
    The && symbol identifies a temporary dataset.

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  • 19. 

    Which statement is correct

    • A.

      Job-Region will override Exec-Region

    • B.

      JOB-CONDITION will overwrite EXEC-COND

    • C.

      EXEC-TIME will override JOB-TIME

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the statements mentioned in the options are correct. The term "override" implies that one value or condition takes precedence over another. Therefore, in this context, it means that Job-Region will take precedence over Exec-Region, JOB-CONDITION will take precedence over EXEC-COND, and EXEC-TIME will take precedence over JOB-TIME. In other words, the values or conditions mentioned in the first part of each statement will overwrite or replace the values or conditions mentioned in the second part.

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  • 20. 

    JOB or STEP have unlimited amount  of time using coding

    • A.

      TIME=1440

    • B.

      TIME=MAX

    • C.

      TIME=INFINITE

    • D.

      Both a and b

    • E.

      Both a and c

    Correct Answer
    D. Both a and b
    Explanation
    The correct answer is "Both a and b". This means that both options "TIME=1440" and "TIME=MAX" are correct. "TIME=1440" indicates that the job or step has a maximum time limit of 1440 minutes, while "TIME=MAX" suggests that there is no specific time limit for the job or step. Therefore, both options allow for an unlimited amount of time using coding.

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