Verizon Lead Software Engineer 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
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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.
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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
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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
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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
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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
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Q1. Basic techno managerial questions on tech you worked on work, interests, challenges you faced. Was fairly short.
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Initially had a string based coding problem. Then was asked technical questions and then had a small break before doing system design with same interviewer for building book my show system and db schema.

Q1. Had a discussion with hiring manager on expectations, salary and growth.
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Q1. Sql related ques mege into, rank,dense rank,queries of joins etc.
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Q2. Java 8 related ques optional and stream
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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
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Q1. Reverse a linked list.
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Q2. Merge sort on a array/
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Q1. Introduction call and experience matching
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Q1. Docker and web development questions
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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
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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
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