Ericsson Interview Questions, Process, and Tips

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Q1. They asked projects related and state management questions.
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Q2. Get length of string without using native method
Ans. 
Iterate through each character in the string and count the number of characters.
• Create a function that takes a string as input

• Initialize a counter variable to 0

• Iterate through each character in the string and increment the counter variable

• Return the counter variable as the length of the string
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Q3. Local storage questions
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Q4. Netflix app lld
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Q1. Only Technical stuff
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Q2. LTE in structure way
Ans. 
LTE (Long-Term Evolution) is a standard for wireless broadband communication.
• LTE is a 4G wireless communication standard

• Provides high-speed data transmission for mobile devices

• Uses OFDMA and SC-FDMA for uplink and downlink transmissions

• LTE Advanced offers even faster speeds and improved efficiency
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Q1. Ok death understand of wireless tech 2G to 5G
Ans. 
Wireless technology has evolved from 2G to 5G, offering faster speeds, lower latency, and increased capacity.
• 2G introduced digital voice calls and SMS messaging

• 3G added mobile internet access and video calling

• 4G improved data speeds for streaming and downloading

• 5G promises ultra-fast speeds, low latency, and support for IoT devices
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Q1. LTE advance in L3
Ans. 
LTE advance in L3 refers to enhancements in the Layer 3 protocol of LTE networks for improved performance and efficiency.
• LTE advance in L3 includes features like enhanced radio resource management, improved handover procedures, and better support for multimedia services.

• It helps in optimizing network resources, reducing latency, and enhancing overall user experience.

• Examples of LTE advance in L3 technologies are Carrie...read more
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Q1. Technical question about Mobile network
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Q1. Regarding Work Experience and Salary
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Q1. Best practices of Apex trigger
Ans. 
Best practices for Apex triggers include bulkifying code, using helper classes, and limiting logic to one trigger per object.
• Bulkify your code to handle multiple records at once

• Use helper classes to keep trigger logic organized

• Limit logic to one trigger per object to avoid confusion and maintainability
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Q2. Write a batch Apex skeleton
Ans. 
A batch Apex skeleton is a class that processes records in batches to avoid hitting governor limits.
• Create a class that implements the Database.Batchable interface

• Implement the start, execute, and finish methods

• Use Database.executeBatch to execute the batch job
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Q1. What was your team size and structure
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Q1. Weakness and strength
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