Acxiom Consulting Technical Consultant Interview Questions and Answers

60 min total
45-aptitude question
2-coding question

Q1. What is garbage collecture
Ans. 
Garbage collector is a program that automatically frees up memory by reclaiming memory occupied by objects that are no longer in use.
• Garbage collector is a part of the memory management system in programming languages like Java, C#, and Python.

• It helps prevent memory leaks by identifying and freeing up memory that is no longer needed.

• Garbage collection can be automatic or manual, depending on the programming language a
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Q2. Differnce between public key and foreign key
Ans. 
Public key is used for encryption and decryption in asymmetric cryptography, while foreign key is used to establish a relationship between tables in a database.
• Public key is used in asymmetric cryptography for secure communication.

• Foreign key is used in databases to establish relationships between tables.

• Public key is shared with others for encryption, while private key is kept secret for decryption.

• Foreign key links a...read more
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Q1. Real time scenario about generic extraction and add new fields to the existing system
Ans. 
Adding new fields to an existing system using generic extraction in real time scenario
• Identify the data source for the new fields

• Create a generic extraction program to extract the data

• Map the extracted data to the existing system's data structure

• Test the extraction and integration process

• Implement the new fields in the system
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Q2. What are the process chains failures you faced in your project
Ans. 
I have faced process chain failures related to data loading issues and system errors.
• Data loading failures due to incorrect mappings or missing data

• System errors causing process chain to stop or fail

• Issues with dependencies causing chain failures
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Q3. How you would correct an invalid characteristics
Ans. 
To correct an invalid characteristics, I would first identify the root cause, make necessary adjustments, and validate the changes.
• Identify the specific characteristics that are invalid

• Determine the root cause of the invalid characteristics

• Make necessary adjustments to correct the invalid characteristics

• Validate the changes to ensure the characteristics are now valid
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Q1. Explain Migration Strategies
Ans. 
Migration strategies involve planning and executing the transfer of data, applications, and infrastructure from one environment to another.
• Assessment of current environment and resources

• Selection of migration approach (rehost, refactor, rearchitect, rebuild, replace)

• Testing and validation of migrated components

• Gradual migration to minimize downtime

• Post-migration monitoring and optimization
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Q1. Explain DataBackup Procedures
Ans. 
DataBackup procedures involve regularly saving copies of important data to prevent loss in case of system failure or data corruption.
• Identify critical data that needs to be backed up regularly

• Choose a backup method (full, incremental, differential)

• Select a backup location (external hard drive, cloud storage)

• Schedule regular backups (daily, weekly, monthly)

• Test backups to ensure data can be restored successfully
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Q1. Why are you looking for job change
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