Zscaler Softech Interview Questions, Process, and Tips

Q1. Linux, network questions
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Q1. Why this company
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The aptitude also include the Networking and the OS based questions.

Q1. Technical questions about java and java script
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Q2. Java and java script
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They conduct a simple gd round in which you have to speak on a topic continuous for at least 2 to 5 minutes.

On it was quite easy round total 21%. Is there a question the song all topics like percentage geometry time in work age questions were quite easy. It was all to get a great experience to be the part up test.

A total of five questions were asked in which we were supposed to do at least three questions correctly questions here from topic a strings tree and link the list from are they given by nisha question will need to find the number of rotation in a certain rotated are from tree they give us to Raintree in pre-order traversal from link list, they told us to list using

Q1. What are streams in nodejs and python
Ans. 
Streams in Node.js and Python are mechanisms for reading and writing data in chunks, rather than all at once.
• Streams in Node.js allow you to read or write data continuously, without loading the entire file into memory at once.

• In Python, streams are implemented using file objects, which can be read or written to in chunks.

• Streams are useful for processing large amounts of data efficiently, as they allow for asynchronous...read more
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Q2. Explain different types of constraints in SQL
Ans. 
Constraints in SQL are rules that are enforced on data in a table to maintain data integrity.
• Primary Key: Ensures each row in a table is unique

• Foreign Key: Ensures referential integrity between two tables

• Unique: Ensures each value in a column is unique

• Check: Ensures values meet a specific condition

• Not Null: Ensures a column cannot have NULL values
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Q3. Explain CDN and its uses
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CDN stands for Content Delivery Network, used to deliver web content efficiently by caching it on servers located closer to users.
• CDNs help improve website performance by reducing latency and increasing loading speeds.

• They distribute content across multiple servers globally to ensure faster delivery to users.

• CDNs also help reduce server load and bandwidth usage by serving cached content instead of fetching it from the ...read more
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