HCL Group Interview Questions, Process, and Tips

Q1. Do you know about conjur, CCP, ASAP, CP implementaiton?
Ans. 
Yes, I am familiar with conjur, CCP, ASAP, and CP implementation in the context of consulting.
• Conjur is a security service that provides centralized authentication and authorization for applications and services.

• CCP stands for Cloud Control Plane, which is a centralized platform for managing cloud resources.

• ASAP refers to As Soon As Possible, which may indicate a sense of urgency in project implementation.

• CP implementa...read more
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Q2. How the replication done in DR?
Ans. 
Replication in DR involves copying data from primary site to secondary site for disaster recovery purposes.
• Replication can be synchronous or asynchronous

• Data is typically replicated using technologies like storage replication, database replication, or log shipping

• Replication ensures data consistency and availability in case of a disaster

• Examples include using tools like Veeam, Zerto, or native database replication feat
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Q3. How the oracle type accounts can be configured in CPM?
Ans. 
Oracle type accounts can be configured in CPM by setting up the necessary permissions and access controls.
• Create a new user account in Oracle with the appropriate permissions for CPM access

• Assign the user account to the CPM application role

• Configure the user account settings in CPM to define access levels and restrictions
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In aptitude que and if it's clear so 2 coding que

Q1. Difference between linklist and arraylist
Ans. 
LinkedList is a data structure where elements are linked using pointers, while ArrayList is a resizable array implementation.
• LinkedList uses nodes with pointers to the next element, allowing for efficient insertions and deletions.

• ArrayList uses a dynamic array to store elements, providing fast random access but slower insertions and deletions.

• LinkedList is better for frequent insertions and deletions, while ArrayList i...read more
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Q2. Reverse string program of java
Ans. 
Java program to reverse a string
• Use StringBuilder class to reverse the string

• Convert the string to a StringBuilder object, call reverse() method, then convert back to string

• Alternatively, use a loop to iterate through the characters of the string in reverse order
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Q1. Explain your project structure ?
Ans. 
My project structure follows a modular approach with separate folders for data ingestion, processing, and storage.
• Separate folders for data ingestion, processing, and storage

• Use of version control for tracking changes

• Documentation for each module and process

• Unit tests for data pipelines

• Logging and monitoring for tracking data flow
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Q2. What is mean by dag ?
Ans. 
DAG stands for Directed Acyclic Graph, a data structure used to represent dependencies between tasks in a workflow.
• DAG is a collection of nodes connected by directed edges, where each edge represents a dependency between tasks.

• It is acyclic, meaning there are no cycles or loops in the graph.

• DAGs are commonly used in data processing pipelines to ensure tasks are executed in the correct order.

• Example: In a DAG representi...read more
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Q1. About clinical trials and its phases
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Q2. What are the supervisory functions why would we call them as supervisory function
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Q3. From a sentence how to pick a word for example from this sentence: this is a sas class have to pic "sas" word how we have to write a code to that
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Q4. In SQL how to we create multiple macros In SQL difference between where clause and having clause
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Q5. In DM what kind of information will stored and what are the variables we have in DM
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Q6. Data demo; set demo1; where age<14; where weight>80; run: what is the mistake in this code? kind of this question not the same one
Ans. 
The code has two 'where' statements which is not allowed in SAS.
• Remove one of the 'where' statements to correct the code.

• Combine the conditions using 'and' or 'or' operators if both conditions need to be applied.
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Q7. X=1+.+2+7 y=sum(1,.,2,7) have to explain what the difference is above two codes working
Ans. 
The first code calculates the sum of 1, 2, and 7 separately, while the second code calculates the sum of 1, 2, and 7 as a whole.
• Code x=1+.+2+7 calculates the sum of individual numbers (1, 2, 7) separately.

• Code y=sum(1,.,2,7) calculates the sum of all numbers (1, 2, 7) together.

• The first code will result in x=1+2+7=10, while the second code will result in y=1+2+7=10.
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Q8. Tell me about yourself
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Q9. Show me your ID like Aadhar card/PAN card/Voter ID
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Q1. Tell me about yourself
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Q2. Show me your certificates one by one and along with ID proof
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Q3. Rate yourself in English communication
Ans. 
I rate myself as proficient in English communication
• I have strong verbal and written communication skills

• I am able to effectively convey complex information in a clear and concise manner

• I am comfortable communicating with colleagues, clients, and stakeholders

• I have experience presenting findings and reports in English
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Q4. Madhuria location is ok for you
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