INTERVIEW QUESTIONS MAINFRAME COBOL DETAILS

Question: Without execution cobol program how to see output?

How to rename input filename and outputfile name?

3) Wat is flag?

4) What is impact analysis what basis how will you write test cases?

5) How you sea output of cics command?

6) How are datasets concatenated explain with example?

Answer: According to my knowledge,<br><br>1) You cannot see the output of a program unless you have executed the program. but You can see the results of a CICS pgm using INTERTEST.<br><br>2) I DONT KNOW<br><br><br>3) Flags would be assigned a value based on some condition. While using it for some processing, there is no need to calculating every time. u can calculate one time and keep the decision saved in a varibale. this can be used multiple times.<br><br>4) Say you are changing a module, this module may be interacting with many other modules or the results of this module may be used by some other module. Any changes done for some bug fix in this module should not change the functionality of any module. This is main purpose of Imapct analysis. <br><br>To write the test cases, we need to be aware of the functioanlity of the module and the working of the module. <br><br>5)Intertest while testing.....<br><br>6) //DDNAME DD DSN=file1.file,DISP=SHR<br><br>// DD DSN=file2.file, DISP=SHR<br><br>// DD DSN=file3.file, DISP=SHR<br><br>

According to my knowledge,<br><br>1) You cannot see the output of a program unless you have executed the program. but You can see the results of a CICS pgm using INTERTEST.<br><br>2) I DONT KNOW<br><br><br>3) Flags would be assigned a value based on some condition. While using it for some processing, there is no need to calculating every time. u can calculate one time and keep the decision saved in a varibale. this can be used multiple times.<br><br>4) Say you are changing a module, this module may be interacting with many other modules or the results of this module may be used by some other module. Any changes done for some bug fix in this module should not change the functionality of any module. This is main purpose of Imapct analysis. <br><br>To write the test cases, we need to be aware of the functioanlity of the module and the working of the module. <br><br>5)Intertest while testing.....<br><br>6) //DDNAME DD DSN=file1.file,DISP=SHR<br><br>// DD DSN=file2.file, DISP=SHR<br><br>// DD DSN=file3.file, DISP=SHR<br><br> Source: CoolInterview.com

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