EMC Networker Interview Questions - Top Listed Networker FAQ

Here I'm sharing frequently asked most top rated Interview Questions for EMC Networker Interview. I will share the Answer sheet soon when I get time, come back to this page again for answers.

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1. We have data on tape, but retention of the save set is expired, how will you recover the data?
• if the save set is in recyclable mode then change it to recoverable mode using command "nsrmm -o notrecycleable -S ssid/cloneid". then you have two options to recover the save set.1) you can directly recover using ssid. 2) run nsrck -L7 -t <backup date> Client_name.
2. If you don’t know bootstrap tape name(tape code)  then how will you find it and recover networker?
• Use scanner -vvv -i "device_name".
• Ideally we should configure email report with bootstrap information
• If there are less number of recent tapes then use them to scan and find the bootstrap information.
3. What is client direct port number?
• 2049
4. How to find reserved ports for Networker for a client?
• rpcinfo -p <client name>
5. What is  networker ports range ?
• 7937-9936
6. What is NDMP port number?
• 10,000
7. Which services are running on storage node?
• 
  

  

  
  
  
8. What is client initiated backup?
• Now Bacula Enterprise Edition brings more control and flexibility than ever before. Version 8.6’s brand new Client Initiated Backup feature adds to a huge breadth of functionality, bringing independence to end-users and enabling non-technical individuals to choose what data to backup and when regarding their own PC’s and laptops. This convenient feature facilitates higher levels of productivity and safety within an Enterprise or MSP.
• The Client Initiated Backup feature is easily accessed via the tray monitor, and provides a simple GUI for end-users to manage specific backup of their own data.
• Parameters include choosing the backup job, and specifying date and time.
• Advanced parameters are: level of backup, selection of the client to backup from, the FileSet, Pool and priority settings.
9. What is client direct backup?
• NetWorker introduced a feature called Client Direct in 8.0 release. Client Direct backups enable clients to bypass the storage node and back up directly to storage devices. The storage node manages the devices and passes on the media database entries but does not handle the backup data
10. Difference between capacity based license and traditional license?
• Traditional licensing is the ‘classic’ approach where specific features in NetWorker require a license. You start with a base enabler for the NetWorker server (usually Network Edition or Power Edition), then you stack on particular features as required. That might include Data Domain licensing, NetWorker Microsoft Module Licensing (NMM), Standard client licenses, Virtual Client licensing, and so on.
• NetWorker Capacity licensing is a way of consolidating all your licenses down to a simple question: "If you do a full backup of everything you need to protect, how many TB does that come to?" That’s it. That’s all there is to it. Here is that once you’ve got that license, you can pretty much work with any NetWorker feature you want.
11. Command for client initiated backup?
• savegrp
• savegrp is the command which works on networker server only..to start the backup from client you should be using save command
12. Command syntax for cloning and Staging?
13. What is cloning and Staging?
14. What’s high and low water marks?
15. Where will be the NMC database store.?
16. What is deduplication? How DDBOOST do deduplication?
17. What are advantages of DD over tape Library?
18. Explain the backup process flow in networker.
19. Explain backup components in networker.
20. What are ports used for NMM? (6728 AND 6729)
21. Which networker component controls media?
22. What’s group parallelism?
23. What’s client parallelism?
24. What’s max session and target session?
25. What is pool?
26. How do you mount tape?
27. How can you ensure that your NMC server is highly available.? (HA)
28. Whats difference between SSID and cloneID ?
29. why you need clone ID ?
30. Whats default schedule in networker to clean index of expired data?
31. How networker cleans index of expired data? ( Runs nsrim -X)

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