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UST Mainframe Developer Interview Questions and Answers
UST Mainframe Developer Interview Experiences
2 interviews found
I applied via Job Portal and was interviewed in May 2024. There were 2 interview rounds.
What is subsrcipt and index , When will use subscript n index
Coding for condition parameters
Sailakshmi Bellamkonda
(2 Questions)
- Q1. Basic questions
- Q2. Comp and conp3 difference
- Ans.
comp and comp3 are different data types in Mainframe, with comp3 being a packed decimal format.
comp is a binary data type, while comp3 is a packed decimal data type
comp uses one byte for each digit, while comp3 uses half a byte for each digit
comp3 is more space-efficient but requires additional processing for arithmetic operations
(1 Question)
- Q1. Senario based questions
(1 Question)
- Q1. Person and package details
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I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(4 Questions)
- Q1. Job statement in JCL
- Ans.
Job Control Language (JCL) is used to define and execute jobs on mainframe systems.
JCL statements are used to specify the job to be executed, including input/output files, program to be run, and other job control parameters.
Example: //JOBNAME JOB (ACCOUNT), 'DESCRIPTION',CLASS=A,MSGCLASS=X
JCL statements are written in a specific format with keywords and parameters to define the job steps and execution flow.
Example: //S
- Q2. Utility used to create a GDG.
- Ans.
IDCAMS is the utility used to create a GDG.
IDCAMS is a utility program used in z/OS to define and manage VSAM datasets, including GDGs (Generation Data Groups).
To create a GDG using IDCAMS, you would typically write a JCL job that includes IDCAMS statements to define the GDG base and generations.
Example: //STEP1 EXEC PGM=IDCAMS //SYSIN DD * DEFINE GDG(NAME(TEST.GDG) LIMIT(10) SCRATCH)
- Q3. Difference b/w COMP & COMP 3 along with scenario-based questions on this topic
- Q4. CICS related question regarding CICS transactions and its life cycle.
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(1 Question)
- Q1. Sort condition, null indicator, curser,db2 errors,
(1 Question)
- Q1. Tell me about Yourself
(1 Question)
- Q1. About current working project and challenging situations
Mainframe Storage Administrator Interview Questions & Answers
Atos
Annupriya Singh.
posted on 26 Oct 2023
Selected
I applied via Naukri.com and was interviewed before Oct 2022. There were 3 interview rounds.
(2 Questions)
- Q1. Technical interview
- Q2. Technical core questions
(1 Question)
- Q1. Technical interview
(1 Question)
- Q1. Regarding salary discussion
Selected
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Basic Ingenium related questions
- Q2. Life insurance concepts
(1 Question)
- Q1. Sort condition, null indicator, curser,db2 errors,
Selected
I applied via LinkedIn and was interviewed in Feb 2023. There were 3 interview rounds.
The mainframe operation past 18 months
Strong knowledge of agile methodology and very much skill support
Interview Preparation Tips
- Mainframes
I applied via Company Website and was interviewed in Aug 2021. There was 1 interview round.
(5 Questions)
- Q1. Difference between call by value and call by reference
- Ans.
Call by value passes a copy of the value while call by reference passes the address of the value.
Call by value is used for simple data types like int, float, etc.
Call by reference is used for complex data types like arrays, structures, etc.
Call by value does not modify the original value while call by reference can modify the original value.
Call by value is faster than call by reference as it does not involve memory ac...
- Q2. Being a EEE student why you join IT sectors
- Q3. Most difficult situation you face in your life
- Q4. Worst decision that you took in your life
- Q5. Explain oops concept
- Ans.
OOPs is a programming paradigm based on the concept of objects that interact with each other.
OOPs stands for Object-Oriented Programming.
It focuses on creating objects that have properties and methods.
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four main pillars of OOPs.
Example: A car is an object that has properties like color, model, and methods like start, stop, and accelerate.
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