senior operations professional interview questions shared by candidates
In the first round most the questions are from resume. 1. Where is the sar file is located & why we use sar 2. Write a IPtables rule to block a particular site? 3. Where is the syslog log file is created 4. What is LVM & Explain how to extended a LVM, reduce a LVM 5. How to scan LUNS attached on Redhat Linux? 6. How did you installed ESXi Server 7. How do you do create a standard partition procedure? 8. What do you know by Package manager YUM & Configuration file of it? 9. How do you install VMware ESXi server? 10.Where is the syslog server log file is stored? 11.What is a RAID and what RAID Do you use, i've answered RAID 5. What are the Minimum disk required for RAID 5 12.What are the RUn Levels in Linux and what are those Run Levels? 13.What is TCP Wrappers and what are the security precautions that you follow?