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Cactus Communications
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I applied via Naukri.com and was interviewed before Apr 2021. There were 4 interview rounds.
It was a language test
It was an editing test
Top trending discussions
I was interviewed in Dec 2024.
Managed a team of 10 employees, delegated tasks, and ensured project deadlines were met.
Managed team of 10 employees
Delegated tasks effectively
Ensured project deadlines were met
Editing test for Team Lead position
Ensure correct grammar and punctuation
Check for consistency in formatting and style
Verify accuracy of information provided
Make sure the content is clear and concise
I applied via Recruitment Consulltant and was interviewed in Jan 2023. There were 4 interview rounds.
Considerations for sheet metal and casting design
Thickness of the material affects strength and cost
Design for manufacturability to minimize waste and cost
Consider material properties like ductility and heat resistance
Include features for easy assembly and maintenance
Account for shrinkage in casting design
3D modelling cad test - one part was given and I had to make parametric part in Creo.
I was interviewed before Mar 2024.
Easy and simple interview
I chose this company for its innovative approach to team leadership and commitment to employee growth.
Strong focus on employee development and growth opportunities
Innovative approach to team leadership and collaboration
Positive company culture and values alignment
Impressive track record of success and growth
Exciting projects and opportunities for professional advancement
I was interviewed before Apr 2021.
Round duration - 45 minutes
Round difficulty - Medium
Technical Interview round with questions on Core Subjects mainly.
C is a procedural programming language while C++ is an object-oriented programming language with features like classes and inheritance.
C is a procedural programming language, while C++ is a multi-paradigm language with support for object-oriented programming.
C does not support classes and objects, while C++ does.
C uses structures for data organization, while C++ uses classes for data organization.
C does not have featur...
A virtual function is a function in a base class that is declared using the keyword 'virtual' and can be overridden by a function with the same signature in a derived class.
Virtual functions allow for dynamic polymorphism in object-oriented programming.
They are used to achieve runtime binding and enable the implementation of the function to be determined during runtime.
Example: virtual void display() = 0; in a base cla...
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Allows for code reusability by creating a new class based on an existing class
Child class inherits attributes and methods of the parent class
Can have multiple levels of inheritance (e.g. grandparent, parent, child classes)
Example: class Dog extends Animal, where Dog inherits properties and methods
Default Constructor is a constructor that is automatically called when an object is created without any arguments. Copy Constructor is used to create a new object as a copy of an existing object.
Default Constructor has no parameters, while Copy Constructor takes an object of the same class as a parameter.
Default Constructor initializes the object with default values, while Copy Constructor creates a new object with the...
Round duration - 40 minutes
Round difficulty - Easy
Technical Interview round with questions on Core Subjects mainly.
The types of access modifiers in C++ are public, private, and protected.
Public: accessible from outside the class
Private: only accessible within the class
Protected: accessible within the class and its subclasses
DDL is used to define the structure of database objects, while DML is used to manipulate data within those objects.
DDL is used to create, modify, and delete database objects like tables, indexes, etc.
DML is used to insert, update, delete, and retrieve data from database tables.
DDL statements include CREATE, ALTER, DROP, TRUNCATE, etc.
DML statements include INSERT, UPDATE, DELETE, SELECT, etc.
Primary Key uniquely identifies each record in a table, while Unique Key ensures that all values in a column are distinct.
Primary Key does not allow NULL values, while Unique Key allows one NULL value.
A table can have only one Primary Key, but multiple Unique Keys.
Primary Key is automatically indexed, while Unique Key may or may not be indexed.
Primary Key is used to establish relationships between tables, while Unique ...
DBMS is a software system that manages databases, while RDBMS is a type of DBMS that stores data in a structured format using tables.
DBMS stands for Database Management System, which is a software system that allows users to interact with a database.
RDBMS stands for Relational Database Management System, which is a type of DBMS that stores data in a structured format using tables with rows and columns.
RDBMS uses Struct...
Normalization in database management systems aims to reduce data redundancy, improve data integrity, and optimize database performance.
Eliminate data redundancy by breaking down data into smaller tables
Reduce update anomalies by ensuring data is stored in a logical and consistent manner
Improve data integrity by enforcing referential integrity constraints
Optimize database performance by reducing the amount of redundant
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Medium
The interviewer was really cool. He realized that I mostly work on java applications so he chose to ask me stuff related to that. He didn't want me to know the answer well but just wanted me to approach to it, maybe think more. He went through my resume back and forth and asked mostly about all my projects and their logic and how could I take them to the next level.
Tips: Be confident. Its okay not to know any answer, just try giving it a shot in the approach.
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructors, member variables, and methods with implementation.
Interface can only have abstract methods and constants.
A class can implement multiple interfaces but can only extend one abstract class.
Example: Abstract class - Animal with abstract method 'eat', Interface - Flyable with m
final is a keyword used to declare constants, finally is a block used in exception handling, and finalize is a method used for cleanup.
final is a keyword used to declare constants in Java, meaning the value cannot be changed once assigned. Example: final int x = 10;
finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not. Example: try { // code } ...
Private restricts access to the class itself, while final prevents inheritance and method overriding.
Private access modifier restricts access to the class itself, while final access modifier prevents inheritance and method overriding.
Private members are only accessible within the same class, while final classes cannot be extended and final methods cannot be overridden.
Example: private int num; - num can only be accesse...
Establishing a JDBC connection involves loading the driver, creating a connection, creating a statement, executing queries, and handling exceptions.
Load the JDBC driver using Class.forName() method
Create a connection using DriverManager.getConnection() method
Create a statement using connection.createStatement() method
Execute queries using statement.executeQuery() method
Handle exceptions using try-catch blocks
JSON is a lightweight data interchange format used to store and transmit data between a server and a web application.
JSON stands for JavaScript Object Notation.
It is easy for humans to read and write, and easy for machines to parse and generate.
JSON is language-independent and can be used with any programming language.
Example: {"name": "John", "age": 30}
Example: [{"name": "Alice", "age": 25}, {"name": "Bob", "age": 35}
Garbage collection in Java is the process of automatically managing memory by deallocating objects that are no longer needed.
Garbage collection helps in preventing memory leaks by reclaiming memory used by objects that are no longer referenced.
Java uses a garbage collector to automatically manage memory, unlike languages like C++ where memory management is manual.
Garbage collection in Java can be triggered by calling S...
Round duration - 30 minutes
Round difficulty - Easy
I wouldn't say it went great but it was fine. I did not think I would clear it as for most of the questions the interviewer seemed disappointed and wanted more out of me.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Apr 2021.
Round duration - 60 minutes
Round difficulty - Medium
Started with the discussion why do you want to join DE shaw. Since prior to my current company, I was working with a finance based company so they asked why do you want to come back to finance base company. So they asked my about debentures, bonds, mortgages and other financial jargons.
Then they asked questions related to DSA, OS etc.
Given an array ARR
consisting of N
integers, your task is to identify all distinct triplets within the array that sum up to a given integer K
.
The task is to find all distinct triplets in an array that sum up to a given integer.
Iterate through the array and use nested loops to find all possible triplets.
Use a set to store unique triplets and avoid duplicates.
Check if the sum of the triplet equals the target sum.
Return the list of valid triplets or -1 if no such triplet exists.
Your task is to determine the minimum number of platforms required at a railway station so that no train has to wait.
Given two arrays:
AT
- represent...Determine the minimum number of platforms needed at a railway station so that no train has to wait.
Sort the arrival and departure times arrays in ascending order.
Initialize two pointers for arrival and departure times, and a variable to keep track of the maximum number of platforms needed.
Increment the platform count when a train arrives and decrement when a train departs.
Update the maximum platform count as needed.
Ret...
Internal fragmentation occurs when memory is allocated in fixed-size blocks, leading to wasted space within a block. External fragmentation occurs when free memory is fragmented into small chunks, making it difficult to allocate contiguous blocks.
Internal fragmentation is caused by allocating fixed-size blocks of memory, leading to wasted space within a block.
External fragmentation occurs when free memory is fragmented...
SQL query to find the employee with the nth highest salary
Use the ORDER BY clause to sort salaries in descending order
Use the LIMIT clause to select the nth highest salary
Join the employee table with the salary table to get the employee details
Java is platform independent due to its bytecode and JVM.
Java code is compiled into bytecode, which can run on any platform with a Java Virtual Machine (JVM)
JVM acts as an intermediary between the Java code and the underlying platform, ensuring portability
Developers write code once and it can be executed on any platform that has a compatible JVM
Examples: Windows, macOS, Linux all can run Java programs without any chang
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructor, member variables, and methods with implementation.
Interface can only have abstract methods and constants.
A class can implement multiple interfaces but can only extend one abstract class.
Example: Abstract class - Animal with abstract method 'eat' and non-abstract method 'sle
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
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Project Manager
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Correspondent/Assistant Editor/Associate Editor
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Associate Editor
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Assistant Manager
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