JCL Programming: VSAM Cluster Quiz
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VSAM is a high-performance access method used to organize data in the form of files in Mainframes that was introduced in the 1970s. Job Control Language, as discussed in class, is the command language of which is the commonly used Operating System in the IBM Mainframe computers. Take this ultimate quiz on JCL and VSAM in preparation for the mock test to see how ready you are.
- 1.
What is the default time for time parameter if it is not coded on Exec statement.
- A.
15min
- B.
20min
- C.
30min
- D.
10min
Correct Answer
C. 30minExplanation
The default time for the time parameter if it is not coded on the Exec statement is 30 minutes.Rate this question:
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- 2.
The Utility used to delete dataset, find databset, cataloged & uncataloged dataset
- A.
IEBGENER
- B.
IEBCOPY
- C.
IEFBR14
- D.
IEHLIST
Correct Answer
C. IEFBR14Explanation
IEFBR14 is a utility program used in mainframe systems to create or delete datasets. It can also be used to find datasets and determine if they are cataloged or uncataloged. The utility is commonly used for simple file management tasks and does not perform any actual data processing.Rate this question:
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- 3.
How many instream procedures can be coded in single job
- A.
16
- B.
15
- C.
12
- D.
32
Correct Answer
B. 15Explanation
In a single job, a maximum of 15 instream procedures can be coded.Rate this question:
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- 4.
Maximum number of DD statements in a job
- A.
3276
- B.
3273
- C.
3723
- D.
3237
Correct Answer
B. 3273Explanation
The maximum number of DD (Data Definition) statements in a job is 3273. DD statements are used in JCL (Job Control Language) to define the input and output data sets for a job. Each DD statement specifies a unique data set and its characteristics. The maximum limit of 3273 DD statements ensures that a job can define a large number of data sets for processing.Rate this question:
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- 5.
MSG LEVEL = (1,1) means print
- A.
All JCL statement will be printed including allocation message
- B.
Print only JCL Statements
- C.
© Print only JOB statement
- D.
None of the above
Correct Answer
A. All JCL statement will be printed including allocation messageExplanation
The correct answer is "All JCL statement will be printed including allocation message." This means that when MSG LEVEL = (1,1), all JCL statements, including the allocation message, will be printed. This setting allows for a more detailed printing of the JCL statements, providing information about the allocation of resources during job execution.Rate this question:
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- 6.
Maximum number of steps in a JOB are
- A.
255
- B.
256
- C.
16
- D.
15
Correct Answer
A. 255Explanation
The maximum number of steps in a job is 255. This means that a job can have a maximum of 255 different tasks or operations.Rate this question:
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- 7.
Which is not a keyword parameter
- A.
CLASS
- B.
PGM
- C.
MSGLEVEL
- D.
PRTY
Correct Answer
B. PGMExplanation
In the given list, "PGM" is not a keyword parameter. The other options, "CLASS", "MSGLEVEL", and "PRTY" are all keyword parameters.Rate this question:
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- 8.
Instream procedure begins with PROC and ends with PEND statement
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The given statement is true because an instream procedure in a programming language typically starts with a PROC statement and ends with a PEND statement. These statements define the beginning and end of the procedure, allowing the programmer to encapsulate a set of instructions within the procedure. This helps in organizing and modularizing code, making it easier to read, understand, and maintain.Rate this question:
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- 9.
SCRATCH specifies entry of dataset should not physically deleted from the volume
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The given statement is "SCRATCH specifies entry of dataset should not physically deleted from the volume". The correct answer is False. This means that the statement is incorrect. SCRATCH actually specifies that the entry of a dataset can be physically deleted from the volume.Rate this question:
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- 10.
IEFBR14 use to check the syntax of JCL without affecting any dataset
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true. IEFBR14 is a utility program used in mainframe systems to create a dummy dataset. It is often used to check the syntax of Job Control Language (JCL) without affecting any actual datasets. The program does not perform any actual processing or data manipulation, but it allows users to verify the correctness of the JCL syntax before executing the job.Rate this question:
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- 11.
TSO is a program executed by MVS to get your program and JCL into machine code
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
TSO (Time Sharing Option) is a program executed by MVS (Multiple Virtual Storage) operating system to interact with the mainframe system. It provides a command-line interface that allows users to enter commands and perform various tasks such as running programs, editing files, and submitting JCL (Job Control Language) for execution. TSO does not directly convert programs and JCL into machine code, but it provides the necessary environment and facilities to execute programs and process JCL, which eventually results in the generation of machine code. Therefore, the given statement is true.Rate this question:
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- 12.
JOB Accounting information and TYPERUN is a positional parameter
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because TYPERUN is not a positional parameter in the context of JOB Accounting information. A positional parameter refers to a parameter that is specified by its position in the command line or script, whereas TYPERUN is likely to be a specific value or option that is not determined by its position. Therefore, TYPERUN is not a positional parameter in this case.Rate this question:
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- 13.
JES3 is environment is centralized
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
JES3, which stands for Job Entry Subsystem 3, is indeed a centralized environment. It is a mainframe operating system component that manages the execution of batch jobs in a centralized manner. JES3 receives job requests from multiple users and systems, and then schedules, controls, and monitors the execution of these jobs. This centralized approach allows for efficient resource allocation and management, ensuring that jobs are processed in a controlled and organized manner. Therefore, the correct answer is true.Rate this question:
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- 14.
All available storage is assigned to a job or jobstep, if region is coded as
- A.
0K
- B.
0M
- C.
0K or 0M
- D.
1K
Correct Answer
C. 0K or 0MExplanation
The correct answer is "0K or 0M". This means that if the region is coded as 0K or 0M, it indicates that no storage is assigned to the job or jobstep. This could be used when a job or jobstep does not require any storage allocation.Rate this question:
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- 15.
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 aboveExplanation
All of the above statements are correct. In the given options, each statement indicates that a specific attribute or condition will take precedence over another in a job or execution scenario. The first statement suggests that the job region will have priority over the execution region. The second statement states that the job condition will overwrite the execution condition. Lastly, the third statement asserts that the execution time will override the job time. Therefore, all three statements are accurate in describing the hierarchical order of attributes in the given scenario.Rate this question:
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Current Version
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Apr 22, 2023Quiz Edited by
ProProfs Editorial Team -
Jul 23, 2011Quiz Created by
Anjali Krishna
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