STT Global Data Centres India O&M Engineer Interview Questions, Process, and Tips

Q1. Backup process flow,
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Q2. Backup port no for SQL
Ans. 
The backup port number for SQL is 1433.
• The default backup port number for SQL is 1433.

• This port number can be changed during installation or configuration.

• It is important to ensure that the backup port is open and accessible for backup and restore operations.
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Discussing about troubleshooting process in NOC.

Q1. GPON, DWDM, Switch.
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Q1. Simple self intro and few questions about previous experience
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Q1. 1. Self intro 2. Previous experience related questions 3. How fit am I for this job?
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Q2. 4. Salary expectation
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Q1. 1. Self intro and previous experience related questions
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Q2. 1. Overall about HVAC systems 2. Overall about FPS system
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Q3. 1. Testing procedures for piping and duct
Ans. 
Testing procedures for piping and duct involve pressure testing, leak testing, and visual inspection.
• Pressure testing involves pressurizing the system with air or water to check for leaks.

• Leak testing can be done using soap solution or electronic leak detectors.

• Visual inspection includes checking for proper installation, support, and connections.

• Testing procedures should follow industry standards and regulations.

• Docume...read more
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Q4. 1. Fire pump room working principle
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Fire pump room is designed to provide water supply at high pressure to the sprinkler system in case of fire emergency.
• Fire pump room houses pumps that are capable of delivering water at high pressure to the sprinkler system

• The pumps are usually powered by electricity or diesel engines

• The room is equipped with controllers and alarms to monitor and control the water flow

• Regular maintenance and testing of the pumps are es...read more
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Q5. 1. Insulation material specification
Ans. 
Insulation material specification includes type, thickness, density, and thermal conductivity.
• Specify the type of insulation material (e.g. fiberglass, foam, mineral wool)

• Provide the thickness of the insulation material in inches or millimeters

• Include the density of the insulation material in pounds per cubic foot or kilograms per cubic meter

• State the thermal conductivity of the insulation material in BTU/(hr*ft*F) or
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Q1. Cultural fit assessment conducted and conducted one to one interview
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Q1. This round was postponed continuously 40 days.
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Q1. What is the Steel weight?? How will reconciliation of raw material?? How much will you taken Steel and cement wastage??
Ans. 
The steel weight refers to the weight of steel used in a construction project.
• Steel weight is calculated based on the design and specifications of the project.

• It is important to accurately estimate the steel weight to ensure structural integrity.

• Reconciliation of raw material involves comparing the actual usage of steel with the planned usage.

• This helps identify any discrepancies or wastage in the steel consumption.

• Ste...read more
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Q1. Nothing More but some questions about what are doing in your current organisation.
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Q1. Technical question about required role
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Q1. Final round with General Manager
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Q1. Salary Discussion
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Q1. Relase the offer letter
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Reasoning logical apti

Python, linux , networking

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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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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