Storage Interview Questions
We have list of Frequently Asked Questions in this section which is asked by most of the data storage companies across the globe.
Q1. What is difference between NAS and SAN?
Q2. What do you mean by bootstrapping. Explain Linux bootstrapping process.
Q3. What is difference between HDD and SSD?
Q4. Explain High Availability and Clustering?
Q7. Difference between RAID 1O and RAID 01? Also explain difference between RAID 5 and RAID 6?
Q8 Explain difference between hardware and software RAID?
Q9 Difference between CIFS and NFS?
Q10 Difference between NFSv3 and NFSv4?
Q11 Explain mount command of NFS?
Q12 Difference between hard mount and soft mount?
Q13 What happens when you mount export1 on export2 and perform I/O . Is it possible to delete export2?
Q14. Explain pseudo-file system in NFSv4?
Q15 Explain delegation in NFSv4?
Q16 How will you make a linux machine as NFS server?
Q17 Explain grace time in NFS?
Q18 Explain server and client calls/communication in case of NFSv3 and NFSv4?
Q19 Explain features of SMB 3.0 ?
020 How you can map the SMB shares using command?
Q21 Explain SMB dialect?
Q22 Explain use of Active Directory?
Q23 Expalin ACL ( Access Control List)?
Q24 Explain snapshots and what are different kind of snapshots?
q25 Explain how data replication works from source to destination?
Q26 Difference between synchronous and asynchronous replication?
Q27 Explain how many types of backup are there? Explain difference between Full, Incremental and Differential backup?
Q28 Design test cases on backup and recovery?
Q29 Difference between RPO and RTO?
Q30 Explain in brief about Hyperconverged storage solutions?
Q31 Explain difference between ext2 , ext3 and ext4 filesystems?
Q32 Explain deduplication and what are different types of deduplication?
Q33 Explain NVMe in brief?
Q34 Explain virtualization and what are components which get virtualization?
Q35 Difference between stateless and stateful server?
Q36 Difference between hard link and soft link?
Q37 Ping not working what could be possible reasons?
Q38 When we save a file in computer what happens in backend?
Q39 How cat commands works internally?
Q40 How to monitor the cpu of linux?
Q41 How to check version of Linux based machine?
Q42 Command to check hard link and soft link?
Q 43 How to check hops and routes for a machine?
Q44 What is file descriptor?
Q45 What are inodes and superblock?
Q46 Exaplain SCSI I/O path/
Q47 Difference between CHAP and mutual CHAP?
Q48 Explain LVM ( Logical Volume Manager)?
Q 49 Explain journaling filesystem ?
Q50 Explain loop device?
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