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Technical Support Analyst L1 Interview Questions

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596 technical support analyst l1 interview questions shared by candidates

1) You are given an array of 1's and 0's. You need to segregate all 0's at one end and 1's at the another end. The time complexity should be O(n), Space Complexity O(1), In-Place Algorithm and Stable Algorithm. 2) Write a code for Level-Order Zig Zag Traversal of tree. 3) OOP Concepts 4) Commands from linux (grep,top,find etc.) 5) 7 SQL queries (Majorly Joins)
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Software Engineer L1

Interviewed at Gemini Solutions

3.5★
Mar 19, 2019

1) You are given an array of 1's and 0's. You need to segregate all 0's at one end and 1's at the another end. The time complexity should be O(n), Space Complexity O(1), In-Place Algorithm and Stable Algorithm. 2) Write a code for Level-Order Zig Zag Traversal of tree. 3) OOP Concepts 4) Commands from linux (grep,top,find etc.) 5) 7 SQL queries (Majorly Joins)

On Telephonic questions they were asked questions more relevant to my previous job experience, so if you are Windows Administrator you will be asked more about Win2k, Win2k3, Win2k8 and Win2k12. If you are network administrator they will ask more about IOS reinstallation etc. I was from a Command Centre background which is really suited for DCOPS "L1" role. I was asked more about Nagios, Incident and Problem Management and L1 support tickets on almost all Infra domains.
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Systems Analyst - DCOPS L1

Interviewed at HCLTech

3.5★
Jun 11, 2016

On Telephonic questions they were asked questions more relevant to my previous job experience, so if you are Windows Administrator you will be asked more about Win2k, Win2k3, Win2k8 and Win2k12. If you are network administrator they will ask more about IOS reinstallation etc. I was from a Command Centre background which is really suited for DCOPS "L1" role. I was asked more about Nagios, Incident and Problem Management and L1 support tickets on almost all Infra domains.

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