ARK Infosolutions Technical Specialist Interview Questions and Answers

Q1. SALARY DISCUSSED AND variable part
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Q2. ABOUT FAMILY AND YOU BACKGROUND
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Q1. Expected Ctc ,current ctc,experience etc,etc
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Q1. System knowledge ,they see if your experience is usable.It’s a long round but if you are skilled and experience d enough ,it will be a breeze
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Q1. Interview based on your programming language , how good you know like java or python or scala
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Q2. Big data & Data science interview question like working of spark , Hive optimization of queries , what is graphx
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Q3. Explain your recent project in detail
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Q1. More deep dive in your expertise technologies like Spark DAG working explain
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Q2. How you do data validation in hive
Ans. 
Data validation in Hive involves using built-in functions and custom scripts to ensure data accuracy and consistency.
• Use built-in functions like IS NULL, IS NOT NULL, and COALESCE to check for missing or null values

• Use regular expressions and pattern matching to validate data formats

• Write custom scripts to perform more complex data validation tasks

• Perform data profiling to identify potential data quality issues

• Use data...read more
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Q1. Salary , why changing job etc..
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Q2. Your complete background of career
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Q1. What storage arrays have you worked on?
Ans. 
I have worked on various storage arrays including EMC VNX, NetApp FAS, and Dell EMC Unity.
• EMC VNX

• NetApp FAS

• Dell EMC Unity
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Q2. How to perform a test activity on remote site
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Performing a test activity on a remote site
• Ensure proper communication channels are established

• Define clear objectives and scope of the test

• Select appropriate tools and equipment for the test

• Conduct a pre-test site survey to identify potential issues

• Execute the test plan and document results

• Analyze the results and report findings to stakeholders
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Q3. Data protection methods
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Q1. Architecture of storages
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Storages can be classified into three types: direct-attached, network-attached, and storage area networks.
• Direct-attached storage (DAS) is directly connected to a server or computer, such as a hard drive or USB drive.

• Network-attached storage (NAS) is a file-level storage connected to a network, allowing multiple users to access the same data simultaneously.

• Storage area networks (SAN) are block-level storage connected t...read more
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Q2. Replication types and basic task procedures.
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Replication types include snapshot, transactional, and merge. Basic task procedures involve setting up publications and subscriptions.
• Snapshot replication copies a snapshot of the entire database to the subscriber

• Transactional replication copies only the changes made to the database since the last replication

• Merge replication allows for bidirectional synchronization of data

• Setting up publications involves selecting the...read more
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Q3. Tiering, brocade zoning, errors terminolgies
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Aptitude tests will test your ability to perform tasks and react to situations at work.

Coding tests are programming assessment tools used to objectively evaluate a candidate's programming skills across parameters such as problem-solving, coding aptitude, and de-bugging.

Q1. Coding tests are programming assessment tools used to objectively evaluate a candidate's programming skills across parameters such as problem-solving, coding aptitude, and de-bugging.
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Q2. Tell me about yourself. ... Why do you want to work for our company? ... What are your greatest strengths and weaknesses? ... Why are you looking for a change? ... Tell me about the gap in your resume. ...
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