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24,038 technical support engineer interview questions shared by candidates

Technical interview : More about networking, openssl, certificates, TCP handshake Behavioral interview: Tell me a time when you went above and beyond Project: More to do with postman app itself,( self paced and easy to do project)
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Technical Support Engineer

Interviewed at Postman

2.4★
Dec 7, 2021

Technical interview : More about networking, openssl, certificates, TCP handshake Behavioral interview: Tell me a time when you went above and beyond Project: More to do with postman app itself,( self paced and easy to do project)

What are the different data types in perl? How do you execute your perl script? What are basic steps for writing your own perl module? If you have a Hash with keys and you want to remove any spaces in the keys, how would you do it? Difference between use and require? What will happen if i open a file from perl script and forget to close it, and then try to open it again? How do you handle runtime exceptions in perl? How do you run a sql query from perl script? How can you print all unique tags present in a html file from a perl script? trying to transpose a matrix is faster in perl or C? why? what is my, our and local? If there are Variables declared with my in a module, will same variable be available in a perl script where i call use for that module? Can you write multiple modules in the same pm file? How can you run a unix command from perl script? - system command What is the return value of system command? What if you want to run a unix command from perl script and want to get the results back? How to check if a certain key is there in a certain given hash? -exists() Does exists work on array? How do you check if a certain value is present in the array? What do you do if your script throws an error that a certain module is not found in @INC? What are commands you use on unix/linux in day to day work? How can you list all txt files from a directory? How can you list all txt files in a directory and subdirectories? How to change the date time stamp of a file? How can you list all files containing a certain word? How can you list all files not containing a certain word? How will you display line number 10 to 20 of a file? How do you give permissions for a executable file? How is data for Tables stored in the database? Write a sql query to fetch employee id, employee name, manager id, manager name from a table containing employee id, employee name , manager id.
avatar

Technical Support Engineer

Interviewed at Ericsson

4★
Jul 27, 2015

What are the different data types in perl? How do you execute your perl script? What are basic steps for writing your own perl module? If you have a Hash with keys and you want to remove any spaces in the keys, how would you do it? Difference between use and require? What will happen if i open a file from perl script and forget to close it, and then try to open it again? How do you handle runtime exceptions in perl? How do you run a sql query from perl script? How can you print all unique tags present in a html file from a perl script? trying to transpose a matrix is faster in perl or C? why? what is my, our and local? If there are Variables declared with my in a module, will same variable be available in a perl script where i call use for that module? Can you write multiple modules in the same pm file? How can you run a unix command from perl script? - system command What is the return value of system command? What if you want to run a unix command from perl script and want to get the results back? How to check if a certain key is there in a certain given hash? -exists() Does exists work on array? How do you check if a certain value is present in the array? What do you do if your script throws an error that a certain module is not found in @INC? What are commands you use on unix/linux in day to day work? How can you list all txt files from a directory? How can you list all txt files in a directory and subdirectories? How to change the date time stamp of a file? How can you list all files containing a certain word? How can you list all files not containing a certain word? How will you display line number 10 to 20 of a file? How do you give permissions for a executable file? How is data for Tables stored in the database? Write a sql query to fetch employee id, employee name, manager id, manager name from a table containing employee id, employee name , manager id.

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