Interview Questions

Interview Questions December

Paras Interview Questions

Data Domain:

  1. Deduplication.
  2. Inline deduplication.
  3. Source based and target based deduplication.
  4. DDBoost.
  5. License requirement.
  6. User creation in data domain.
  7. VTL.
  8. Replication and its type.
  9. Mtree and snapshot.
  10. Networker basics and backup types.

Power path:

  1. Power path working process.
  2. Power path real environment scenario.
  3. Power path licenses type.
  4. Power path Native mode and pseudo mode.

VMAX:

  1. Auto provisioning.
  2. Mapping and masking.
  3. Making View.
  4. Vmax Architecture.
  5. Thin pool concept.
  6. DMX 900 and DMX difference.
  7. Command for Disk failure.
  8. Commands to check rdf failures.
  9. Why symconfigure is used, discover and verify.
  10. Monitoring tasks in Vmax.

Brocade:

  1. Brocade zoning in command line.
  2. Hard zoning and soft zoning.
  3. Switch issues faced.
  4. FLOGI.
  5. PLOGI and SLOGI.
  6. Command to enable ports in brocade.

Interview Question November

Paras Interview Questions

Storage Area Network questions.

  1. FLOGI process step by step?
  2. What are Fabric Id and Port Id?
  3. What is principle switch?
  4. What is Inter switch link?
  5. What is Inter Chassis Link?
  6. What is Switch Segmentation?
  7. What is a Gateway switch? How to implement it?
  8. Zoning Step by Step?
  9. Global configuration database?
  10. How can you configure a zoning from a Zoning database and activate it later with offline database?
  11. NPIV implementation?

DMX and VMAX interview questions.

  1. What is rule 17?
  2. How to configure rule 17?
  3. What are the steps to configure rule 17?
  4. Why to use rule 17? Power management concept?
  5. Storage provisioning concept?
  6. Scenario questions: you have 1 servers in with 4 paths. You want to remove 2 paths. How can you remove device from 2 paths without Write disabling the device?
  7. Storage provisioning concept in VMAX?
  8. Storage provisioning concept in DMX, how to provide an address to device in front end ports?
  9. Scenario questions: There are 4 initiator and are in one group. You want to make a different storage group and assign to same initiator group. How is it possible?
  10. How will you do the port assignment using rule 17?
  11. DMX architecture?
  12. VMAX architecture?
  13. What is Meta? How much large will be the Meta size in VMAX?
  14. How much cache blades are present in DMX?
  15. EMC vault mechanism?
  16. Thin pool creation process?
  17. What is Remote replication process?
  18. How will you check the remote replication status?
  19. What is the process for time finder clone? Did you ever do time finder clone?
  20. What monitoring tools used tell about ECC?
  21. How will you monitor EMC storage with ECC?
  22. Final question: Do you know about filer, VNX, celera? What is process to allocate storage In that?

Interview Questions August

Paras Interview Questions

Commonly asked EMC Storage Interview questions 

EMC DMX

1. Rule 17, How,why?

2. Purpose FE port types

3. How to check disk issues DMX issues

4. DMX provisioning

5. What is TID

6. Masking

EMC VMAX

1. Engine, What is Architecture of VMAX

2. Global Memory, cache

3. Why Engine is used Features of VMAX Difference between VMAX, DMX

4. FAST VP

5. Provisioning Thin Pool

6. Concepts TF clone/Snap

7. Engine Placement

 Brocade

1. Zoning

2. Paths with example

3. What is LSAN,VSAN

4. Offline, online repository