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SQL: Subqueries: Explain what a subquery is and provide an example of how you might use it. Normalization: What is database normalization, and why is it important? Can you give an example of normalization? Transactions: Describe the properties of a transaction in a database. What is ACID, and why is it important? Performance Tuning: How would you optimize a slow-performing SQL query? What tools or techniques would you use? Joins: Explain the differences between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
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Senior Infrastructure Engineer

Interviewed at Mphasis

3.4★
Dec 6, 2023

SQL: Subqueries: Explain what a subquery is and provide an example of how you might use it. Normalization: What is database normalization, and why is it important? Can you give an example of normalization? Transactions: Describe the properties of a transaction in a database. What is ACID, and why is it important? Performance Tuning: How would you optimize a slow-performing SQL query? What tools or techniques would you use? Joins: Explain the differences between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

Scenario based networking test. Included a Cisco ASA f/w, Cisco switch and a ESXi host. How do you increase b/w of the switch from 1Gb to 4Gb., Adding a new VM, new virtual connection and making sure its updated and shown on the firewall, update incoming route to allow traffic between host and internet. Working proof of CLI to turn off ports and Cisco Admin console for firewall, pfsense adding network connectors for monitoring.
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Infrastructure Engineer

Interviewed at Process Systems Enterprise (PSE)

4.2★
Jun 5, 2020

Scenario based networking test. Included a Cisco ASA f/w, Cisco switch and a ESXi host. How do you increase b/w of the switch from 1Gb to 4Gb., Adding a new VM, new virtual connection and making sure its updated and shown on the firewall, update incoming route to allow traffic between host and internet. Working proof of CLI to turn off ports and Cisco Admin console for firewall, pfsense adding network connectors for monitoring.

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