Op Scripts JN0-423 Practice Questions (Page 4)

Questions 16–19

1. 16foundation · easy

   Which function is used in an op script to display output to the user?

   • Aecho()
   • Bdisplay()
   • Cformat()
   • Dprint()
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2. 17foundation · easy

   What is the purpose of the 'format' attribute in an op script's output?

   • ATo specify the output format, such as text or XML
   • BTo set the script's execution permissions
   • CTo define the script's arguments
   • DTo import external modules
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4. 18foundation · easy

   Which statement is used to catch an exception in an op script?

   • Aif-else
   • Btry-catch
   • Cswitch-case
   • Dfor-loop
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5. 19application · medium

   An op script is using the Junos XML API to retrieve data. If the RPC fails (e.g., due to a syntax error in the request), the script should catch the error and display a friendly message. Which approach correctly handles this error?

   • AIgnore the error and continue with the script logic.
   • BCheck the return value of the RPC call and display an error if it is null.
   • CUse the <output> element to display the raw XML error response.
   • DWrap the RPC call in a try-catch block and use <error> to display the exception message.
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