Harbinger Group Senior Test Engineer Interview Questions and Answers

2 medium hard level questions. We just have to code and explain it. Platform doesn't have compilers.

Q1. Given an array Reverse array
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Q2. Giaven a string Reverse string
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Q3. Given array find sum of all elements
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Good Knowledge of DSA is required

Q1. What are BASE properties
Ans. 
BASE properties describe a model for distributed systems emphasizing availability and partition tolerance over strict consistency.
• B - Basically Available: Systems guarantee availability, meaning they respond to requests even if some nodes are down.

• A - Soft state: The state of the system may change over time, even without new input, due to eventual consistency.

• E - Eventually consistent: The system will become consistent...read more
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Q2. Explain the workflow of a Transaction in DBMS
Ans. 
A transaction in DBMS is a sequence of operations performed as a single logical unit of work, ensuring data integrity.
• 1. Transaction Initiation: A transaction begins with a request to perform a database operation, like inserting a record.

• 2. Execution: The DBMS executes the operations defined in the transaction, such as INSERT, UPDATE, or DELETE.

• 3. Logging: Changes are logged in a transaction log to ensure recovery in c...read more
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Q1. Operate or control a particualar typing of data device that is attached to a computer
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Q2. Operate or contriol
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Q3. In computing a device driver is a computer program that operates or controls a particular type of device that is attached to a computer or automaton
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Q4. To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc.
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Q1. They asked general questions related to some hectic situation faced in previous company / project..
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Q1. Self introduction
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Q2. Project description
Ans. 
Developed a web application for tracking personal fitness goals and progress.
• Used React.js for front-end development

• Implemented RESTful APIs for data retrieval and storage

• Utilized MongoDB for database management
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Q1. Questions on project
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Q2. Any problems faced
Ans. 
Yes, faced challenges with debugging complex code and integrating third-party APIs.
• Debugging complex code with multiple dependencies

• Integrating third-party APIs with inconsistent documentation

• Resolving compatibility issues between different software components
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Genral aptitude questions

Q1. Be prepared with your basics
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Q2. Languages and work flow
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Q3. Be aware what you keep in your resume
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Q4. Be strong in a area
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