How DNS work? How DHCP work? How to move huge data between 2 different locations with high latency on the network between these locations? What is Hyper-visor? What are the type of virtualization? What are the RAID levels? What is DB caching? How to increase DB Performance and make it more scalable? What is multi-tier architecture application? What is Content Network Delivery? What is the difference between SQL and NoSQL?
Take me through a customer escalation you resolved? What was the outcome? Why did you chose proposed solution? Would you have done anything different on reflection?
Regarding scenarios of troubleshooting and contributions you've done with current or previous employers
Would you be willing to work 24/7?
Average about experience, situation and knowledge about the company.
Tell me about a time you had to resolve a complex issue. What was your process? (Paraphrased)
Name a complex technical task you needed to complete for a client.
Describe a technical/coding project you've done and the tools you used.
a) What is SNMP? b) How many bits in a byte?c)What is the select statement for showing all rows d)What is port port number e) What is port 24 used for ? f) how do you check for disk space in linux? g)How do you kill a process in linux? h) what is a nfs? i) What is block storage? j) What is file storage k) What is NDMP?l)What was the toughest customer facing issue?
Previous work experiences and education background
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