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30+ Jindal Poly Films Interview Questions and Answers
Q1. AWS Load balancers, whats the difference between NLB and ALB.
NLB and ALB are both AWS load balancers, but NLB operates at the transport layer while ALB operates at the application layer.
NLB is designed for extreme performance and low latency, making it suitable for TCP and UDP traffic.
ALB provides advanced routing capabilities and supports HTTP, HTTPS, and WebSocket protocols.
NLB supports static IP addresses, while ALB uses dynamic IP addresses.
ALB supports content-based routing and can route requests based on URL path or host headers....read more
Q2. whats the difference between IAM user and IAM role
IAM user is an entity that represents a person or application, while IAM role is an entity that represents a set of permissions.
IAM user is associated with long-term credentials (access key and secret access key) and is used to directly interact with AWS services.
IAM role does not have long-term credentials and is assumed by trusted entities, such as AWS services or applications running on EC2 instances.
IAM user has a fixed set of permissions, while IAM role can have temporar...read more
Q3. whats the difference between security groups and nacl
Security groups and NACLs are both used for network security in AWS, but they operate at different levels of the network stack.
Security groups are stateful and operate at the instance level, controlling inbound and outbound traffic based on port, protocol, and IP addresses.
NACLs are stateless and operate at the subnet level, controlling traffic based on subnet IP addresses, port ranges, and protocol numbers.
Security groups are evaluated before NACLs, and if a security group a...read more
Q4. what is route 53 and various routing policies available?
Route 53 is a DNS web service that routes end users to internet applications by translating domain names to IP addresses.
Routing policies include simple, weighted, latency-based, failover, geolocation, and multivalue answer.
Simple routing policy sends traffic to a single resource.
Weighted routing policy distributes traffic based on assigned weights.
Latency-based routing policy sends traffic to the region with the lowest latency.
Failover routing policy routes traffic to a stan...read more
Q5. what is the cluster version? how many clusters and nodes are there in your project who manages the master node how many master nodes are there
The cluster version, number of clusters and nodes, management of master node, and number of master nodes in the project.
The cluster version refers to the version of the software used to manage the cluster.
The number of clusters and nodes depends on the project requirements.
The master node is managed by the DevOps team or the system administrator.
The number of master nodes can vary depending on the project's high availability requirements.
Q6. What is Bernoulli equation? What is heat rate and its equations? What is steady flow, laminar flow and streamline flow? What is viscosity and its types What is Reynold equation? What is boundary layer? What are...
read moreThe Bernoulli equation relates the pressure, velocity, and elevation of a fluid in a steady flow.
Bernoulli equation relates pressure, velocity, and elevation in fluid flow
Heat rate is the amount of heat transferred per unit time
Steady flow is when the fluid properties at a point do not change with time
Laminar flow is smooth and orderly, while turbulent flow is chaotic
Viscosity is a measure of a fluid's resistance to flow
Reynolds equation relates the flow regime to fluid prope...read more
Q7. whats the use of VPC Endpoint in Amazon S3?
VPC Endpoint in Amazon S3 allows direct access to S3 from within a VPC without going over the internet.
VPC Endpoint provides a secure and private connection between VPC and S3.
It eliminates the need for a NAT gateway or VPN connection.
It improves security by keeping traffic within the AWS network.
It reduces data transfer costs and improves performance.
Examples: accessing S3 buckets from EC2 instances in a VPC, using S3 as a data source for AWS Glue jobs.
Q8. difference between git fetch and git pull difference between git clone and git remote
git fetch vs git pull and git clone vs git remote
git fetch downloads the changes from the remote repository but does not merge them with the local branch
git pull downloads the changes and merges them with the local branch
git clone creates a copy of the remote repository on the local machine
git remote is used to manage the remote repositories that a local repository is connected to
Q9. kubernetes- what are autoscaling methods used. explain
Autoscaling methods in Kubernetes include Horizontal Pod Autoscaler (HPA), Cluster Autoscaler, and Vertical Pod Autoscaler (VPA).
Horizontal Pod Autoscaler (HPA) scales the number of pods based on CPU utilization or custom metrics
Cluster Autoscaler scales the number of nodes in a cluster based on resource utilization
Vertical Pod Autoscaler (VPA) adjusts the resource requests and limits of containers based on usage patterns
HPA can be used with custom metrics like queue length o...read more
Q10. What are environments in Azure Devops (pipelines)
Environments in Azure DevOps are logical groups of resources where code is deployed and tested.
Environments can be created for different stages of the development process, such as development, testing, staging, and production.
Each environment can have its own set of resources, such as virtual machines, databases, and storage accounts.
Environments can be configured to automatically deploy code from a pipeline or manually triggered.
Examples of environments include 'Dev', 'QA', ...read more
Q11. How do you establish service connection? why do you give spn in Devops? what is the use of it?
Establishing service connection involves configuring the service principal name (SPN) in DevOps.
Service connection is established by configuring the SPN in DevOps.
SPN is used to uniquely identify a service instance in a network environment.
It allows DevOps to authenticate and authorize the service instance.
SPN is also used to delegate authentication to other services.
Examples of services that require SPN include SQL Server, Exchange, and SharePoint.
Q12. how do you get conflicts in git. scenarios
Conflicts in Git occur when two or more people make changes to the same file or code at the same time.
Conflicts can occur when merging branches or pulling changes from a remote repository.
Git will notify you of conflicts and you must manually resolve them by editing the affected files.
Conflicts can be avoided by communicating with team members and establishing a clear workflow.
Using Git's branching and merging features properly can also help prevent conflicts.
Q13. what is the difference between database and datawarehouse?
A database is used for storing, managing, and retrieving structured data, while a data warehouse is used for analyzing and reporting on large volumes of data.
Database is used for transactional processing, while data warehouse is used for analytical processing.
Databases are typically normalized, while data warehouses are denormalized for faster query performance.
Data warehouses often contain historical data for trend analysis, while databases focus on current data for day-to-d...read more
Q14. Whats read replica in RDS
Read replica is a copy of the primary database instance in RDS that allows read-only access to the data.
Read replicas can be used to offload read traffic from the primary database instance.
They can be created in the same region or in a different region for disaster recovery purposes.
Read replicas are asynchronous, meaning that changes made to the primary instance may not be immediately reflected in the read replica.
They can be promoted to become the new primary instance in ca...read more
Q15. how do you deploy webapp into k8s
Deploy webapp into k8s by creating a deployment YAML file and applying it using kubectl command.
Create a Docker image of the webapp
Create a deployment YAML file with necessary specifications like image, replicas, ports, etc.
Apply the deployment YAML file using kubectl apply command
Expose the deployment using a service YAML file with necessary specifications like type, ports, etc.
Apply the service YAML file using kubectl apply command
Q16. What is the PHP and current version of PHP
PHP is a server-side scripting language used for web development. The current version is PHP 8.0.
PHP stands for Hypertext Preprocessor
It is an open-source language
PHP is used for creating dynamic web pages
PHP 8.0 was released on November 26, 2020
Q17. How would you win deals when customer has limited budgets
To win deals with limited budgets, focus on value proposition, negotiate pricing, and offer flexible payment options.
Highlight the unique value proposition of the product/service
Negotiate pricing to fit within the customer's budget
Offer flexible payment options such as installment plans or deferred payments
Provide case studies or testimonials to demonstrate the ROI of the product/service
Explore potential upsell opportunities in the future
Consider bundling products/services to...read more
Q18. What is VPC Peering
VPC Peering is a networking connection between two VPCs that allows them to communicate using private IP addresses.
VPC Peering enables inter-VPC communication within the same AWS region.
It is a secure and low-latency connection.
Peered VPCs can share resources like EC2 instances, RDS databases, etc.
Transitive peering is not supported, meaning VPCs cannot be peered through a peered VPC.
Peering connections can be established between VPCs in different AWS accounts.
Q19. When and why to choose private cloud over public cloud
Private cloud is preferred when security, compliance, and customization are top priorities.
Private cloud offers greater control over data and infrastructure
It is ideal for organizations with strict security and compliance requirements
Customization options are more flexible in private cloud
Public cloud is more cost-effective for smaller organizations or those with fluctuating workloads
Hybrid cloud can offer the best of both worlds, combining the benefits of private and public ...read more
Q20. WHat is database connection process in CI
Database connection process in CodeIgniter involves configuring database settings in config file and loading database library.
Configure database settings in config file
Load database library
Establish connection using database configuration
Use database functions to perform CRUD operations
Q21. Details of pile works, pile cap works, steel structure, PEB structure and structural design.
Pile works involve driving piles into the ground to provide foundation support. Pile cap works are used to distribute loads from the structure to the piles. Steel and PEB structures are types of building frameworks, with PEB being pre-engineered. Structural design involves creating plans for the building's framework and support system.
Pile works involve driving piles (concrete, steel, timber) into the ground to support the foundation of a structure.
Pile cap works are construc...read more
Q22. what is the extension of sql file?
The extension of SQL file is .sql
The extension of SQL file is typically .sql
SQL files contain SQL code used to query and manipulate databases
Examples of SQL file extensions: script.sql, data.sql
Q23. Cool way of process and addtional enchanted required.
To improve the sales process, we can implement a CRM system and provide additional training to the sales team.
Implement a CRM system to track leads, deals, and customer interactions
Provide sales team with training on effective communication and negotiation skills
Offer incentives for meeting or exceeding sales targets
Regularly review and analyze sales data to identify areas for improvement
Q24. 1. Testing procedures for piping and duct
Testing procedures for piping and duct involve pressure testing, leak testing, and visual inspection.
Pressure testing involves pressurizing the system with air or water to check for leaks.
Leak testing can be done using soap solution or electronic leak detectors.
Visual inspection includes checking for proper installation, support, and connections.
Testing procedures should follow industry standards and regulations.
Documentation of test results is important for quality control a...read more
Q25. What is your understanding on Cloud technology
Cloud technology refers to the use of remote servers to store, manage, and process data instead of local servers or personal devices.
Cloud technology allows for easy access to data from anywhere with an internet connection
It reduces the need for physical storage devices and on-premise servers
Examples of cloud technology include Amazon Web Services, Microsoft Azure, and Google Cloud Platform
Q26. How do you pitch for sale
To pitch for sale, I focus on understanding the customer's needs, highlighting the benefits of the product, and creating a sense of urgency.
Research and understand the customer's needs and pain points
Highlight the benefits and unique selling points of the product
Create a sense of urgency by emphasizing limited availability or time-sensitive deals
Use persuasive language and active listening to build rapport and address objections
Close the sale by asking for the customer's comm...read more
Q27. What are offerings at CTRL S?
CTRL S offers data center and cloud services for businesses.
Data center services including colocation, managed hosting, and disaster recovery
Cloud services including public, private, and hybrid cloud solutions
Network services including internet connectivity and MPLS VPN
Security services including firewall and DDoS protection
Managed services including server management and monitoring
Examples of clients include IBM, Dell, and HP
Q28. What is the Steel weight?? How will reconciliation of raw material?? How much will you taken Steel and cement wastage??
The steel weight refers to the weight of steel used in a construction project.
Steel weight is calculated based on the design and specifications of the project.
It is important to accurately estimate the steel weight to ensure structural integrity.
Reconciliation of raw material involves comparing the actual usage of steel with the planned usage.
This helps identify any discrepancies or wastage in the steel consumption.
Steel and cement wastage can be minimized through proper inve...read more
Q29. What makes you to jkin CTRLs
I am drawn to CTRLs because of their innovative solutions and strong reputation in the industry.
CTRLs has a track record of delivering cutting-edge solutions to clients
The company has a strong reputation in the industry for quality and reliability
CTRLs values its employees and fosters a positive work environment
I am excited about the opportunity to contribute to the company's continued success
Q30. 1. Fire pump room working principle
Fire pump room is designed to provide water supply at high pressure to the sprinkler system in case of fire emergency.
Fire pump room houses pumps that are capable of delivering water at high pressure to the sprinkler system
The pumps are usually powered by electricity or diesel engines
The room is equipped with controllers and alarms to monitor and control the water flow
Regular maintenance and testing of the pumps are essential to ensure they function properly during emergencie...read more
Q31. Managing the Critical facility designing and cost optimization
Managing critical facility design and cost optimization involves strategic planning and efficient resource allocation.
Develop a comprehensive understanding of the critical facility requirements and constraints
Identify and prioritize key design considerations such as redundancy, scalability, and energy efficiency
Leverage industry best practices and standards to guide the design process
Optimize costs by evaluating different design options and selecting the most cost-effective s...read more
Q32. 1. Insulation material specification
Insulation material specification includes type, thickness, density, and thermal conductivity.
Specify the type of insulation material (e.g. fiberglass, foam, mineral wool)
Provide the thickness of the insulation material in inches or millimeters
Include the density of the insulation material in pounds per cubic foot or kilograms per cubic meter
State the thermal conductivity of the insulation material in BTU/(hr*ft*F) or W/(m*K)
Q33. What is os and its type?
An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs.
OS types include Windows, macOS, Linux, Unix, Android, iOS, etc.
OS can be categorized as single-user, multi-user, single-tasking, multi-tasking, real-time, etc.
Examples: Windows 10 (single-user, multi-tasking), Linux (multi-user, multi-tasking)
Q34. what is a database?
A database is a structured collection of data that is organized in a way that allows for easy access, management, and retrieval.
A database typically consists of tables, which store data in rows and columns.
It uses a query language, such as SQL, to retrieve and manipulate data.
Examples of databases include MySQL, Oracle, and MongoDB.
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