Airtel Africa Senior Software Engineer 2 Interview Questions and Answers

Aptitude can be considered "talent", or "skill". Aptitude is inborn potential to perform certain kinds of activities, whether physical or mental, and whether developed or undeveloped.

Coding tests are typically programming challenges that help technical recruiters test programming skills and competencies of a developer or programmer. A good coding test will measure a candidate's capacity for problem-solving skills and understanding of coding

Group discussion (GD) is a comprehensive technique to judge the suitability of an individual and his appropriateness for admission, scholarship, job, etc.

Assessment is the systematic basis for making inferences about the learning and development of students. It is the process of defining, selecting, designing, collecting, analyzing,

Case study, detailed description and assessment of a specific situation in the real world created for the purpose of deriving generalizations and other insights from it.

Q1. What is technical?
Ans. 
Technical refers to anything related to technology, machinery, or scientific knowledge.
• Relating to technology or machinery

• Involving scientific knowledge or skills

• Concerned with practical application of knowledge

• Examples: coding, testing software, troubleshooting hardware
Answered by AI
Add your answer
Q2. What are technical missings ?
Ans. 
Technical missings refer to bugs or defects in the software code that cause unexpected behavior or errors.
• Technical missings are issues in the code that lead to incorrect functionality.

• They can include syntax errors, logic errors, or missing error handling.

• Examples of technical missings include null pointer exceptions, infinite loops, and memory leaks.
Answered by AI
Add your answer

Q1. How HR use? What is the full form of HR
Ans. 
HR stands for Human Resources. HR is responsible for managing employee relations, recruitment, training, and other personnel-related tasks.
• HR is used by organizations to manage their workforce and ensure compliance with labor laws.

• HR departments handle tasks such as recruitment, onboarding, training, performance evaluations, and employee relations.

• HR professionals also play a key role in developing and implementing com...read more
Answered by AI
Add your answer
Q2. What was HR can do ?
Ans. 
HR can play a crucial role in recruitment, employee relations, training, and development.
• Recruitment - HR can source, screen, and interview candidates for open positions.

• Employee relations - HR can handle conflicts, provide support, and ensure a positive work environment.

• Training and development - HR can organize training programs, workshops, and career development opportunities.

• Policy implementation - HR can ensure co...read more
Answered by AI
Add your answer

Q1. How was system requirements r use?
Ans. 
System requirements are used to define the functionalities, constraints, and quality attributes of a software system.
• System requirements help in understanding what the software should do and how it should behave.

• They serve as a basis for design, development, testing, and validation of the software.

• Examples of system requirements include performance metrics, security features, user interface specifications, and compatib
Answered by AI
Add your answer
Q2. What is system requirements?
Ans. 
System requirements are a detailed description of the functions and capabilities a system must have in order to meet the needs of its users.
• System requirements outline the necessary features, functions, and capabilities of a software system.

• They are typically documented in a requirements specification document.

• System requirements help ensure that the software meets the needs and expectations of its users.

• Examples of sy...read more
Answered by AI
Add your answer

Q1. Sql related ques mege into, rank,dense rank,queries of joins etc.
Add your answer
Q2. Java 8 related ques optional and stream
Add your answer

Q1. How to optimise fetching 1 lakh entries from db
Ans. 
Use pagination, indexing, caching, and query optimization to fetch 1 lakh entries efficiently from the database.
• Implement pagination to fetch data in smaller chunks

• Create indexes on columns frequently used in queries

• Use caching to store frequently accessed data

• Optimize queries by avoiding unnecessary joins and using appropriate indexes

• Consider using database-specific optimizations like query hints or stored procedures
Answered by AI
Add your answer

Easy-medium level and it included two coding questions and some technical questions

Q1. How are structures and classes stored?
Ans. 
Structures and classes are stored in memory as a combination of data members and member functions.
• Structures and classes are stored in memory as a combination of data members and member functions.

• Data members of a structure or class are stored in contiguous memory locations.

• Member functions of a class are stored separately in memory and are shared among all instances of the class.

• Pointers to member functions are used t...read more
Answered by AI
Add your answer
Q2. What is final and finalize?
Ans. 
final is a keyword in Java used to restrict inheritance, overriding, and modification. finalize is a method used for cleanup operations before an object is garbage collected.
• final keyword is used to declare constants, prevent inheritance by marking a class as final, and prevent method overriding by marking a method as final

• finalize method is called by the garbage collector before an object is destroyed

• Example: final in...read more
Answered by AI
Add your answer

Q1. Find nth elements from last in linked list
Ans. 
Use two pointers to find the nth element from the end of a linked list.
• Use two pointers, one moving n steps ahead of the other

• When the first pointer reaches the end, the second pointer will be at the nth element from the end
Answered by AI
Add your answer
Q2. Difference between hashmap and concurrent hashmap
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe and allows concurrent access.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if accessed by multiple threads simultaneously.

• ConcurrentHashMap allows concurrent access by multiple threads without the need for external synchronization.

• ConcurrentHashMap achieves thread-safety by dividing the map into segments, allowing multiple th...read more
Answered by AI
Add your answer

Queue question - create queue from array

Q1. Working structure preference
Add your answer
Q2. Salary preference
Add your answer
Q3. No more questions
Add your answer

They will give 3 questions

Q1. There will be technical round after finishing of exam
Add your answer
Q2. And HR round also will be same time of Technical
Add your answer

Questions were asked

Dsa dp, graphs and many more questions from arrays and linked list were asked