Tcg Digital Solutions Interview Questions, Process, and Tips

We had 3 section.
Section 1 - Contains 10 questions on prob & stats
Section 2 - Mix of coding mcqs , aptitude -10 questions
Section 3 - Business Case,where you need analyse the problem and write steps to solve the problem via Data Analyst perspective.

Q1. Tell me about yourself? What are reason behind your inclination towards data?
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Q2. Have you done any project on data equivalent to the undertaken Btech program.
Ans. 
Yes, I have completed a project on data analysis during my Btech program.
• I completed a project analyzing customer data for a marketing course

• Used Python and SQL to clean and analyze the data

• Presented findings and recommendations to the class and professor
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Q3. Cv grilling question
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Q4. Why don't you go for other job profiles?
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Q5. Why TCG Digital?Do you any of our products and Services?
Ans. 
I am drawn to TCG Digital because of its innovative solutions and strong reputation in the industry.
• TCG Digital offers cutting-edge technology solutions that drive business growth.

• The company has a proven track record of delivering successful projects for clients.

• I am impressed by TCG Digital's commitment to continuous improvement and staying ahead of industry trends.
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Quant, Basic DSA, Case Study

Q1. What is Eula - understanding?
Ans. 
EULA stands for End-User License Agreement. It is a legal contract between a software developer and the user of the software.
• EULA is a document that outlines the terms and conditions under which a user can use a software product.

• It specifies the rights and limitations of the user, as well as any restrictions or obligations imposed by the software developer.

• EULAs are commonly seen when installing software or downloading...read more
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Q1. What is saas - understanding?
Ans. 
SaaS stands for Software as a Service. It is a cloud computing model where software applications are provided over the internet.
• SaaS allows users to access and use software applications without the need for installation or maintenance.

• Applications are hosted on remote servers and can be accessed through web browsers or APIs.

• Users pay for SaaS on a subscription basis, typically monthly or annually.

• Examples of SaaS inclu
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Q1. What is nda, understanding?
Ans. 
NDA stands for Non-Disclosure Agreement, which is a legal contract that outlines confidential information that parties agree not to disclose.
• NDA is a legal contract between two or more parties.

• It is used to protect confidential information from being shared with unauthorized individuals or entities.

• The agreement specifies what information is considered confidential and the obligations of the parties involved.

• NDA can be...read more
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Q1. How does map and unordered map are implemented in C++ STL library.
Ans. 
Map and unordered map are implemented as associative containers in C++ STL library.
• Map is implemented as a balanced binary search tree while unordered map is implemented as a hash table.

• Map stores elements in a sorted order while unordered map does not guarantee any specific order.

• Map has a logarithmic time complexity for insertion, deletion, and search operations while unordered map has an average constant time comple...read more
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Q2. Write a program which create a class for student database management and override +, -, and other operators based on the interviewer's ask.
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Q3. What are virtual functions, Vtables, and method overriding in C++
Ans. 
Virtual functions are functions that can be overridden in derived classes. Vtables are tables of function pointers used for dynamic dispatch.
• Virtual functions allow for polymorphism and dynamic binding

• Vtables are used to implement virtual functions

• Method overriding is when a derived class provides its own implementation of a virtual function

• Virtual functions are declared using the virtual keyword

• Example: class Animal {...read more
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Q4. How to debug a C++ program containg a segmentation fault using GDB, how to add break points at suspected function, how to take core dumps of a binary.
Ans. 
Debugging C++ program with segmentation fault using GDB
• Compile the program with -g flag to include debugging symbols

• Run the program with GDB and set breakpoints at suspected functions

• Use 'run' command to execute the program within GDB

• Use 'backtrace' command to see the call stack when the segmentation fault occurs

• Use 'print' command to inspect variables and memory addresses

• Use 'core dump' command to generate a core dump
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Q1. What is singleton class?
Ans. 
A singleton class is a class that can only have one instance created at a time.
• Singleton classes are often used in situations where only one instance of a class is needed, such as for managing a database connection or a configuration file.

• The singleton pattern is implemented by making the constructor of the class private and providing a static method that returns the single instance of the class.

• Singleton classes can b...read more
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Q2. How to create a singleton class ?
Ans. 
A singleton class is a class that can only have one instance created throughout the lifetime of an application.
• Create a private constructor to prevent external instantiation.

• Create a private static instance of the class.

• Create a public static method to access the instance.

• Ensure thread safety by using synchronized keyword or static initializer.

• Example: public class Singleton { private static Singleton instance = null; ...read more
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Q3. How to store a key value pairs in C++ data structures where key is same for some of the entries ?
Ans. 
Use C++ map or unordered_map to store key value pairs with same key
• C++ map and unordered_map are associative containers that store elements in key value pairs

• If the key is same for some entries, map will store only one entry while unordered_map can store multiple entries

• Example: map myMap; myMap["key1"] = 1; myMap["key2"] = 2; myMap["key1"] = 3; // myMap["key1"] will be 3

• Example: unordered_map...read more
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Q4. How to grep a value from a file containing key = value format enteries in each line when key is given using bash or shell scripting.
Ans. 
To grep a value from a file with key=value format, use awk command with delimiter as '=' and search for the key.
• Use awk command with delimiter as '=' to split the line into key and value

• Search for the key in the key column and print the corresponding value column

• Example: awk -F'=' '/key/ {print $2}' file.txt
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Q5. Some basic questions on C++ STL library and data structures.
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