STL Training Deployment Engineer Interview Questions and Answers

Q1. 4G Artitectuure, what you do improve nw avability
Ans. 
To improve network availability in 4G architecture, we can implement redundancy, load balancing, and network optimization techniques.
• Implementing redundancy by adding backup components such as routers, switches, and servers to ensure network availability in case of failure.

• Load balancing can be achieved by distributing network traffic across multiple servers to prevent overloading of a single server.

• Network optimizatio...read more
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Q2. Call flow, how sran works,
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Q3. How smps works, how deploye new roll outs
Ans. 
SMPS stands for Switched Mode Power Supply. It converts AC to DC voltage using high-frequency switching.
• SMPS uses a high-frequency switching circuit to convert AC to DC voltage

• It is more efficient than traditional linear power supplies

• New rollouts can be deployed by following a structured project management approach

• This includes planning, testing, and implementation phases

• Regular communication with stakeholders is impo
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Q4. What problem you face in operation of nw
Ans. 
One problem faced in the operation of network is frequent network outages.
• Frequent network outages disrupt the workflow and productivity.

• It leads to communication breakdown and delays in completing tasks.

• Network outages can result in loss of important data and affect customer satisfaction.

• Troubleshooting network issues takes time and resources.

• Implementing backup systems and redundancy can help mitigate the impact of n
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Q1. Profile discussion, job designation discussion, further opportunities discussion
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Q1. Network engineering questions Spectrum analyser, ITSM tool knowledge, hfc engineering network questions like network outage locating issue and isolating it.
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Q1. Completely technical round of LTE
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Q2. Completely daily work related
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Q3. Trouble shooting knowledge
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Discussing about troubleshooting process in NOC.

Q1. GPON, DWDM, Switch.
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Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

Q1. 
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...read more
Ans. 
Given two numbers represented as arrays, calculate their sum and return the result as an array.
• Iterate through the arrays from right to left, adding digits and carrying over if necessary

• Handle cases where one array is longer than the other by considering the remaining digits

• Ensure the final sum array does not have any leading zeros
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Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.