Extreme Networks Interview Questions and Answers

Q1. Spark code optimization
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Q2. Data formats in big Data, why each format.
Ans. 
Different data formats in big data are used for various purposes like storage efficiency, data processing speed, and compatibility with different systems.
• JSON: Lightweight, human-readable, and widely supported for web applications.

• Parquet: Columnar storage format for efficient querying and processing of large datasets.

• Avro: Schema-based serialization format with support for complex data types.

• ORC: Optimized Row Columna...read more
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Q3. Leet code - Most freq elem in a list
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Find the most frequent element in a list of strings.
• Iterate through the list and count the frequency of each element using a dictionary.

• Track the element with the highest frequency as you iterate.

• Return the element with the highest frequency.
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Q1. Wireless question
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Q2. Networking related
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Q1. Networking fundamentals
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I was asked coding questions in python. Print the first 100 prime numbers. other question is based on regex.

Q1. Covered all whatever I wrote in my resume.
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Q2. Explain how switch learns mac address
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Switch learns MAC addresses through a process called MAC address learning.
• When a switch receives a frame, it looks at the source MAC address in the frame header.

• The switch then associates this MAC address with the port on which it received the frame.

• If the switch already knows the MAC address, it updates the port information.

• If the switch does not know the MAC address, it adds it to its MAC address table.

• This process a...read more
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