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Mainframe Interview Questions

Below we have listed all the Mainframe Interview Questions and answers. Feel free to comment on any Mainframe Interview Questions or answer by the comment feature available on the page.

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A mainframe (also known as "big iron") is a high-performance computer used for large-scale computing purposes that require greater availability and security than a smaller-scale machine can offer. The term originally referred to the large cabinets called "main frames" that housed the central processing unit and main memory of early computers. Later, the term was used to distinguish high-end commercial machines from less powerful units. Most large-scale computer system architectures were established in the 1960s, but continue to evolve.

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Subcategories for Mainframe Interview Questions & Answers :-

Following are sub categories for which Interview Questions & Answers are available under Mainframe Interview Questions & Answers. Please select the appropriate sub-category:-

CICS Interview Questions & Answers (406) Exam Mode | Learning Mode

COBOL Interview Questions & Answers (197) Exam Mode | Learning Mode

DB2 Interview Questions & Answers (332) Exam Mode | Learning Mode

IDMS Interview Questions & Answers (43) Exam Mode | Learning Mode

IMS Interview Questions & Answers (45) Exam Mode | Learning Mode

JCL Interview Questions & Answers (189) Exam Mode | Learning Mode

VSAM Interview Questions & Answers (40) Exam Mode | Learning Mode

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What is difference between oracle and sqlserver ?
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What are different types of process in jcl?
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What is meant by impact analysis?
3.1 Rating
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what is the diff between dbrm.lib and loadlib what r they used for
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Where and how to use JCL process(premap and response map)?
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What datasets are archived from disk and how long are they kept?
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How do I know which archived data sets are about to expire?
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What is IAM (Innovation Access Method) and why is it better than VSAM?
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Is it a Mainframe Systems problem or a Network Systems problem?
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What will the PDS utility do for TSO?
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what is the maximum no of characterts that can be passed thru PARM in jcl?
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why do we use S9(4) comp to define the PARM length and not s9(4)comp-3? which is better?
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how can we read the last 1000 records of a file using some sort utility?
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suppose there are 5000 records ina flat file. how can we read files 2000 to 3000 using sort?
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REDEFINE uses the same storage area. What about RENAMES? A variable that renames a group of other variables occupies different storage or same??
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I have a table with 50 records and if i try to access 100th record what will be the result.?(cobol-db2 program)
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Latest 20 Questions
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
"Holiday Packages" announced as an advertisement are an example of _________: (a) Offer (b) Counter Offer (c) Invitation to Offer (d) None of the above
A match fixing contract between a player and a broker is a: (a) Valid Contract (b) Unenforceable Contract (c) Void Contract (d) Illegal Contract
When a bookseller sells a book on cash payment then it is called as ___________: (a) Unilateral Contract (b) Bilateral Contract (c) Executed Contract (d) Executory Contract
____________ agreements are created by situation: (a) Written (b) Oral (c) Void (d) Implied
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