HCLTech Interview Questions, Process, and Tips

Q1. Tell me about your current role
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Q2. Why do you want to leave your current role?
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Q3. Why are you not getting promoted in current organisation?
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Q4. Product based questions, difference between 2 of existing products you're currently working on?
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Q1. Sql and Linux questions
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Q1. Design batch which creates and sends report
Ans. 
Design a batch process to create and send reports
• Create a script to generate the report based on specified criteria

• Schedule the script to run at regular intervals using a batch scheduler like cron

• Configure the script to send the report via email or save it to a shared location

• Include error handling and logging in the batch process
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Q2. Explain Spring Lifecycle
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Spring Lifecycle is a series of steps that a Spring bean goes through from initialization to destruction.
• 1. Initialization phase: Bean is instantiated, dependencies are injected, and any initialization methods are called.

• 2. In use phase: Bean is used by the application.

• 3. Destruction phase: Bean is destroyed, any cleanup methods are called.

• 4. Post-processor phase: Additional processing can be done before or after initi...read more
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Q1. Explain DB structure
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DB structure refers to the organization of data in a database, including tables, relationships, and constraints.
• DB structure includes tables, columns, relationships, indexes, and constraints.

• Tables store data in rows and columns.

• Columns define the type of data that can be stored in a table.

• Relationships define how tables are connected to each other.

• Indexes improve the performance of database queries.

• Constraints enforce...read more
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Q2. Write a code to get unique numbers from array
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Code to get unique numbers from array of strings
• Convert array of strings to array of integers

• Use a Set to store unique numbers

• Convert Set back to array if needed
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Percentages ratio & proportion

E vehicle boon or bane

Q1. What is risk and compliance
Ans. 
Risk and compliance refer to the processes and regulations put in place to identify, assess, and mitigate potential risks within an organization.
• Risk refers to the potential for loss or harm that may result from an action or decision.

• Compliance involves adhering to laws, regulations, policies, and standards set by governing bodies.

• Risk management involves identifying, assessing, and prioritizing risks, followed by coor...read more
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Q2. What is ISO 27001
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ISO 27001 is an international standard for information security management systems.
• ISO 27001 sets out the requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS).

• It helps organizations manage their information security risks and protect their data.

• Certification to ISO 27001 demonstrates that an organization is committed to information security...read more
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Q1. What is collections in java?
Ans. 
Collections in Java are classes and interfaces that provide a way to store and manipulate groups of objects.
• Collections framework includes interfaces like List, Set, and Map, along with classes like ArrayList, HashSet, and HashMap.

• Collections provide methods for adding, removing, and accessing elements in a group.

• Collections also provide algorithms for sorting, searching, and manipulating groups of objects.

• Example: Lis...read more
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Q2. What is the pipes in angular?
Ans. 
Pipes in Angular are used for transforming data before displaying it in the view.
• Pipes are used to format data in Angular templates.

• They can be used for currency, date, uppercase/lowercase transformations, etc.

• Custom pipes can also be created for specific data transformations.

• Pipes are applied using the '|' symbol in template expressions.
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Q1. What is functional interface?
Ans. 
A functional interface is an interface with only one abstract method, used in Java to enable lambda expressions.
• Functional interfaces can have multiple default or static methods, but only one abstract method.

• They are used in Java to enable the use of lambda expressions.

• Examples of functional interfaces in Java include Runnable, Callable, and ActionListener.
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Q2. What is method reference?
Ans. 
Method reference is a shorthand syntax for lambda expressions to call a method.
• Method reference is used to refer to a method without invoking it.

• It can be used to make the code more concise and readable.

• There are four types of method references: static, instance, constructor, and array constructor references.
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Q1. How much salary you expect from HCL Tech?
Ans. 
I expect a competitive salary based on my experience, skills, and the market standard.
• I am looking for a salary that is in line with industry standards for a Technical Lead position.

• I am open to negotiation based on the overall compensation package offered by HCL Tech.

• I have researched the average salary range for Technical Leads in the region and am looking for a competitive offer.
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Q2. Please submit your educational details, and work experience letters.
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Q1. What is bgp and the process of all the attributes
Ans. 
BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between different autonomous systems on the internet.
• BGP is used to make routing decisions based on network policies, rules, and attributes.

• BGP attributes include AS_PATH, NEXT_HOP, LOCAL_PREF, MED, and WEIGHT.

• AS_PATH is a list of autonomous systems that the route has traversed.

• NEXT_HOP is the IP address of the next router to reach...read more
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Q2. About all the switching concepts and routing concepts basic
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Q1. Salary discussion
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