IMS DB Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to IMS DB Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - How many levels of hierarchy a DLI database supports?

A - 10

B - 35

C - 20

D - 15

Answer : D

Explanation

A DL/I database can have 255 different segment types and 15 levels of hierarchy.

Answer : B

Explanation

PSBGEN stands for Program Specification Block Generator.

Q 3 - Which function is used to get the unique record from the IMS databse?

A - DLI-GU

B - DLI-GHU

C - DLI-GN

D - DLI-GHN

Answer : A

Explanation

'GU' code is used for the Get Unique function. It works similar to the random read statement in COBOL. It is used to fetch a particular segment occurrence based on the field values.

Q 4 - In PCB which field tells what kind of processing the program is authorized to do on the database?

A - SEG-LEVEL

B - STATUS-CODE

C - PROC-OPTIONS

D - RESERVED-DLI

Answer : C

Explanation

Proc options are known as processing options which contain four-character data fields. A Processing Option field indicates what kind of processing the program is authorized to do on the database.

Q 5 - In PCB which field stores the area for its own internal linkage related to an application program?

A - SEG-LEVEL

B - STATUS-CODE

C - PROC-OPTIONS

D - RESERVED-DLI

Answer : D

Explanation

Reserved DL/I is known as the reserved area of the IMS. It stores four bytes binary data. IMS uses this area for its own internal linkage related to an application program.

Q 6 - Where do we code command code in a qualified SSA?

A - 10th position

B - 9th position

C - 11th position

D - 12th position

Answer : A

Explanation

Command code is coded at the tenth position.

Q 7 - What command code we used to code for Set Parentage?

A - N

B - P

C - Q

D - U

Answer : B

Explanation

To use command codes, specify an asterisk in the 9th position of the SSA and for Set Parentage we code P at 10th position.

Q 8 - The prefix part of the index pointer segment contains a pointer to the Index Target Segment. State whether true or false?

A - False

B - True

Answer : B

Explanation

This is self explanatory.

Q 9 - In Forward Recovery, DL/I uses the log file to store the change data. The accumulated transactions are re-posted using this log file. State whether true or false?

A - False

B - True

Answer : B

Explanation

This is self explanatory.

Answer : B

Explanation

MPP stands for Message Processing Program.

ims_db_questions_answers.htm
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