Infosys Senior Systems Engineer Interview Questions, Process, and Tips

Q1. 1. Explain COND parameter in JCL. What parameters can be coded both in JOB level as well as STEP level. What are GDG and how to access previous version, next version and current version in any given job.
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COND parameter in JCL, parameters in JOB and STEP level, accessing GDG versions in a job.
• COND parameter is used to specify a condition code that must be satisfied for the job or step to execute.

• Parameters like TIME, REGION, MSGCLASS, etc. can be coded in both JOB and STEP level.

• GDG (Generation Data Group) is a group of datasets related to each other by a common name and a generation number.

• To access previous version, u...read more
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Q2. 2. Explain COMP, COMP-2, COMP-3 and Display. What are the difference between Continue and Next Sentence? Why does SOC7 occur?
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Explanation of COMP, COMP-2, COMP-3, Display, Continue, Next Sentence, and SOC7.
• COMP is a binary data type, COMP-2 is a packed decimal data type, COMP-3 is a packed decimal data type with sign, and Display is a character data type.

• Continue is used to transfer control to the next statement within the same paragraph, while Next Sentence is used to transfer control to the first statement of the next paragraph.

• SOC7 occurs ...read more
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Q3. 3. How to fetch more than one record from DB from COBOL? Explain the precompilation process. Why is bind necessary? SQL error code for duplicate record present in table?
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Fetching multiple records from DB in COBOL and precompilation process
• Use SELECT statement with appropriate WHERE clause

• Use cursor to fetch multiple records

• Precompilation process involves converting COBOL code to C code

• Bind is necessary to link the precompiled C code with DB

• SQL error code for duplicate record present in table is -803
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Q1. Discussion regarding BU knowledge. What types of work I had already done in my current company? Did I have client interaction in the company I was working with? Was agile methodology followed? Did the proj...read more
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Q1. Salary discussion, location preference.
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Q1. Core Java Concepts: Java 8, Serialization deserialization, Collection framework, HashMap etc Git basic commands SQL: Joins, Constraints, delete vs drop vs truncate, DDL vs DML commands.
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Q1. Basic HR discussion: Salary expectation, preferred location etc.
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Basic aptitude seating arrangement puzzle pseudocode output

Q1. Resume projects basics of coding
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