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I applied via Company Website and was interviewed before Mar 2023. There was 1 interview round.
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Acts as a barrier between internal network and external networks
Filters incoming and outgoing traffic based on set rules
Can be hardware-based or software-based
Can block unauthorized access while allowing legitimate traffic
Can be configured to log and report on network activity
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I applied via Naukri.com and was interviewed in Mar 2021. There were 3 interview rounds.
I applied via Walk-in and was interviewed before Aug 2022. There were 4 interview rounds.
Test of SQL, Tableau and other skills based on your resume on Skillate
posted on 4 May 2019
I applied via Referral and was interviewed in Nov 2018. There was 1 interview round.
Fibonacci series can be generated in Informatica using a recursive function.
Create a mapping with a recursive function
Use a variable port to store the previous two values
Use an expression transformation to generate the series
Example: f(0) = 0, f(1) = 1, f(n) = f(n-1) + f(n-2)
I applied via Naukri.com and was interviewed before Feb 2022. There were 3 interview rounds.
I applied via Company Website and was interviewed before Jul 2021. There were 3 interview rounds.
Data validation in Hive involves using built-in functions and custom scripts to ensure data accuracy and consistency.
Use built-in functions like IS NULL, IS NOT NULL, and COALESCE to check for missing or null values
Use regular expressions and pattern matching to validate data formats
Write custom scripts to perform more complex data validation tasks
Perform data profiling to identify potential data quality issues
Use data...
I applied via Campus Placement and was interviewed in Mar 2021. There were 4 interview rounds.
posted on 28 Jul 2021
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
Check if binary tree is balanced or not.
A balanced binary tree has the height of left and right subtrees differ by at most 1.
Recursively check the height of left and right subtrees and compare.
Use a helper function to calculate the height of a subtree.
Time complexity: O(nlogn) for a balanced tree, O(n^2) for a skewed tree.
Detect loops in a linked list.
Use two pointers, one moving at a faster pace than the other.
If there is a loop, the faster pointer will eventually catch up to the slower one.
To detect the start of the loop, reset one pointer to the head and move both pointers at the same pace.
I applied via Company Website and was interviewed in Jul 2021. There was 1 interview round.
Complex SQL scenarios and their results
Using subqueries to filter data
Joining multiple tables with complex conditions
Using window functions to calculate running totals
Pivoting data to transform rows into columns
Using recursive queries to traverse hierarchical data
I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.
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