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STT Global Data Centres India Subject Matter Expertise Interview Questions and Answers

Updated 20 Sep 2020

STT Global Data Centres India Subject Matter Expertise Interview Experiences

1 interview found

I applied via Referral and was interviewed in Mar 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. What is difference between wall fan and ceiling fan?
  • Ans. 

    Wall fans are mounted on walls while ceiling fans are mounted on ceilings.

    • Wall fans are ideal for small rooms or areas where there is limited floor space.

    • Ceiling fans are better suited for larger rooms or areas where there is ample headroom.

    • Wall fans can be directed to blow air in a specific direction while ceiling fans circulate air throughout the room.

    • Wall fans are generally less expensive than ceiling fans.

    • Examples ...

  • Answered by AI
  • Q2. Different standards of electrical and safety
  • Ans. 

    Different standards of electrical and safety refer to the varying regulations and guidelines set by different countries or organizations.

    • Electrical standards may differ in terms of voltage, frequency, and plug types.

    • Safety standards may vary in terms of building codes, fire safety regulations, and product safety requirements.

    • Examples of different electrical and safety standards include the European Union's CE marking, ...

  • Answered by AI
  • Q3. Relay coordination and reporting

Interview Preparation Tips

Interview preparation tips for other job seekers - They just call and take interview after they they call and inform that you are selected but never give offer letter

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Apr 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(4 Questions)

  • 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...

  • Answered by AI
  • Q2. Call flow, how sran works,
  • 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

  • Answered by AI
  • 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

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be cool and calm at interview update your self daily basis

Skills evaluated in this interview

I applied via Naukri.com and was interviewed before May 2021. There was 1 interview round.

Round 1 - One-on-one 

(3 Questions)

  • Q1. Completely technical round of LTE
  • Q2. Completely daily work related
  • Q3. Trouble shooting knowledge

Interview Preparation Tips

Interview preparation tips for other job seekers - Complete domain knowledge. Daily work flow. Project completion
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • 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...

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Nothing More but some questions about what are doing in your current organisation.

Interview Preparation Tips

Interview preparation tips for other job seekers - Culture is not good , salary on time

I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude test

Round 2 - Group Discussion 

Current affairs

Round 3 - Technical 

(1 Question)

  • Q1. Puzzle , sql related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself, whatever you know just be confident

I applied via Naukri.com and was interviewed in Sep 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Database related questions
  • Q2. Api
  • Q3. Two basic coding questions
  • Q4. Some apti based questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Just try to attempt all the sample questions available in geeks for geeks

I applied via Campus Placement and was interviewed before Sep 2019. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. As I was from ECE background I was asked some basic electronics questions like logic gates AND, NAND, NOR and Flipflops and Latches and Master-Slave flipflop.

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview was good and simple. Be confident, answer confidently, when they ask about your personals maintain a smile on ur face. But I would suggest you not to join CtrlS because the management of the company is not that good. Even if you mail them a 100 times and call them a 1000 times there will be no rply from their side. Everything is very slow and a delayed process in that company. They'll keep you waiting for hours and hours. Even if you get an offer you will be in a dilemma if you'll get placed in the domain or they'll keep you waiting for days and days before giving you the domain. This is my opinion and you better consider all the factors before joining here.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Easy applitute question with 1 coding question at the end

Round 2 - Technical 

(3 Questions)

  • Q1. String builder vs string buffer
  • Ans. 

    String builder is faster but not thread-safe, while string buffer is slower but thread-safe.

    • String builder is recommended for single-threaded applications for better performance.

    • String buffer is recommended for multi-threaded applications to ensure thread safety.

    • Example: StringBuilder sb = new StringBuilder(); StringBuffer sbf = new StringBuffer();

  • Answered by AI
  • Q2. Final keyword in oops
  • Ans. 

    The final keyword in OOP is used to restrict the user from changing the value of a variable, overriding a method, or inheriting from a class.

    • Final variable: value cannot be changed once assigned

    • Final method: cannot be overridden in child classes

    • Final class: cannot be inherited by other classes

  • Answered by AI
  • Q3. Bsf graph explanation
  • Ans. 

    BSF graph explanation

    • BFS (Breadth-First Search) is a graph traversal algorithm that explores all the neighbor nodes at the present depth before moving on to the nodes at the next depth.

    • It uses a queue data structure to keep track of the nodes to visit next.

    • BFS is often used to find the shortest path in an unweighted graph.

    • Example: BFS can be used to find the shortest path in a maze from the starting point to the exit.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice interview

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

They asked some general Quantitative and logical questions and code snippets.

Round 2 - Technical 

(2 Questions)

  • Q1. String Reverse and Two Sum
  • Q2. Related to my projects and Tech Stacks
Round 3 - Technical 

(2 Questions)

  • Q1. This is the Second technical round. The interviewer asked about everything from my project.
  • Q2. Asked some sql queries like joins and set operation

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and Understand the business idea of your Project and Tech Stacks
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Aptitude Test 

Quant, logical reasoning, mathematics

Round 3 - Technical 

(2 Questions)

  • Q1. Access modifiers
  • Q2. Diff between abstract class and interface Difference between array and array list Difference between method overloading and overriding Pillars of oops Deadlock Normalisation
  • Ans. 

    Abstract class is a class with abstract methods, interface is a contract with only abstract methods. Array is fixed size, ArrayList is dynamic. Method overloading is same method with different parameters, overriding is redefining a method. OOP pillars are inheritance, encapsulation, polymorphism, abstraction. Deadlock is a situation where two or more processes are unable to proceed because each is waiting for the other...

  • Answered by AI

Skills evaluated in this interview

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STT Global Data Centres India Interview FAQs

What are the top questions asked in STT Global Data Centres India Subject Matter Expertise interview?

Some of the top questions asked at the STT Global Data Centres India Subject Matter Expertise interview -

  1. What is difference between wall fan and ceiling f...read more
  2. Different standards of electrical and saf...read more
  3. Relay coordination and report...read more

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