Infinera Interview Questions, Process, and Tips

Q1. What is the methodology used for increasing reach of OTN signal
Ans. 
The methodology used for increasing reach of OTN signal involves amplification, regeneration, and dispersion compensation.
• Use optical amplifiers to boost the signal strength

• Implement signal regeneration to restore the signal quality

• Utilize dispersion compensation techniques to minimize signal distortion

• Consider using wavelength division multiplexing (WDM) for increasing capacity
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Q1. OOPs and Hashing related questions
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Coding test on hackerrank

Q1. Question on Tree
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Q2. Asked to solve a few puzzles
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C# , sql , Azure. kafka, redis, lamda, cloud front, tdd , unit test.

Q1. Reverse String using c# code.
Ans. 
C# code to reverse a string
• Use the built-in Reverse method of the string class

• Convert the string to a char array, reverse it, and convert back to string

• Use a loop to iterate through the string and build a new reversed string
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Q2. Sum numbers using vb code
Ans. 
VB code to sum numbers
• Declare a variable to hold the sum

• Use a loop to iterate through the numbers

• Add each number to the sum variable

• Display the sum
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