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Python is commonly used for data manipulation tasks due to its powerful libraries like Pandas and NumPy.
Use Pandas library for data manipulation tasks in Python
Pandas provides data structures like DataFrame for easy manipulation
Use NumPy for numerical operations on data arrays
Example: df['new_column'] = df['column1'] + df['column2']
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Interview questions for legal executive position at a Real Estate firm in Bangalore karnataka
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I applied via Walk-in and was interviewed in Oct 2023. There was 1 interview round.
The OS layer is the software layer that manages hardware resources and provides a platform for running applications.
Manages hardware resources such as CPU, memory, and storage
Provides a platform for running applications and managing processes
Handles input/output operations and communication between hardware and software
Examples include Windows, macOS, Linux, iOS, Android
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Acts as a barrier between a trusted internal network and untrusted external network
Filters traffic based on rules set by network administrators
Can be hardware-based or software-based
Can block or allow traffic based on IP addresses, ports, protocols, etc.
Examples include Cisco AS
TCP three-way handshake is a method used to establish a connection between a client and a server in a TCP/IP network.
Client sends a SYN packet to the server to initiate the connection
Server responds with a SYN-ACK packet to acknowledge the request
Client sends an ACK packet back to the server to confirm the connection
Connection is now established and data transfer can begin
I was interviewed before Nov 2023.
One of my biggest achievements was successfully leading a team to complete a complex project ahead of schedule and under budget.
Led a team to complete a complex project ahead of schedule
Managed resources effectively to stay under budget
Received recognition for successful project completion
Refrigeration cycle is a process in which a refrigerant absorbs heat from a low-temperature space and rejects it in a high-temperature space.
The refrigeration cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.
The refrigerant starts as a low-pressure gas in the evaporator where it absorbs heat from the space being cooled.
The compressor then compresses the refrigerant into a h...
Four stroke cycle engine works by completing four distinct processes - intake, compression, power, and exhaust strokes.
Intake stroke: Air-fuel mixture is drawn into the cylinder as the piston moves downward.
Compression stroke: The intake valve closes and the piston compresses the mixture, preparing it for ignition.
Power stroke: The spark plug ignites the compressed mixture, causing an explosion that drives the piston d...
Petronas interview questions for popular designations
I applied via Company Website and was interviewed before Dec 2020. There was 1 interview round.
To maintain smooth platform operation, it is important to focus on regular maintenance, effective communication, proper training, and continuous monitoring.
Regular maintenance of equipment and systems to prevent breakdowns and ensure optimal performance.
Effective communication among team members to coordinate tasks and address any issues promptly.
Proper training of operators to ensure they have the necessary skills and...
Data is the foundation of decision-making and problem-solving.
Data provides insights into trends and patterns.
Data helps in identifying opportunities and risks.
Data enables informed decision-making and problem-solving.
Data is essential for measuring performance and progress.
Data is critical for compliance and regulatory requirements.
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I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
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