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CtrlS Lead Engineer Interview Questions and Answers
CtrlS Lead Engineer Interview Experiences
1 interview found
Anonymous
I applied via Naukri.com and was interviewed in Jun 2021. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. What is the PHP and current version of PHP
- Ans.
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
- Q2. WHat is database connection process in CI
- Ans.
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
- Q3. How do you handle the team
- Q4. What do you do if a team member are not performing well
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
I was tasked with creating a Spring Boot microservice.
Selected
I applied via Recruitment Consulltant and was interviewed before Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. Create a calculator
- Ans.
A basic calculator that can perform addition, subtraction, multiplication, and division.
Create functions for each operation (addition, subtraction, multiplication, division)
Take user input for numbers and operation choice
Display the result of the calculation
- Q2. Details about current project
Selected
I was interviewed before Nov 2023.
(2 Questions)
- Q1. .Net core and Azure
- Q2. Scenario based questions
Selected
I applied via Walk-in and was interviewed before Dec 2023. There were 2 interview rounds.
Regex and aptitude discussion
(1 Question)
- Q1. Expectations asked
I applied via Recruitment Consultant and was interviewed in Apr 2021. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. Custom priority queue implementation
- Ans.
Custom priority queue implementation
Define a data structure to hold the elements and their priorities
Implement methods to add, remove and peek elements based on priority
Use a heap or binary tree to maintain the priority order
Consider edge cases like empty queue and duplicate elements
- Q2. Data structures problems
- Q3. Internal working of map, treemap ansd set
- Ans.
Map, TreeMap and Set are data structures used in Java to store and manipulate collections of objects.
Map is an interface that maps unique keys to values.
TreeMap is a class that implements the Map interface and stores its elements in a sorted order.
Set is an interface that stores unique elements.
TreeSet is a class that implements the Set interface and stores its elements in a sorted order.
All three data structures are p
Interview Preparation Tips
Skills evaluated in this interview
I applied via Monster and was interviewed in Aug 2021. There was 1 interview round.
(1 Question)
- Q1. What is volatile how to use gdb what is singleton
- Ans.
Questions on volatile, gdb usage, and singleton pattern.
Volatile is a keyword in C that tells the compiler not to optimize the variable.
GDB is a debugger tool used to analyze and debug code during runtime.
Singleton is a design pattern that restricts the instantiation of a class to one object.
To use GDB, compile the code with the -g flag, run the executable with gdb, set breakpoints, and use commands like 'next' and 'pr...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Related to java web services
Interview Preparation Tips
Sumedha Parsewar
Selected
I applied via Approached by Company and was interviewed before Jun 2023. There was 1 interview round.
(2 Questions)
- Q1. Spring boot scenario. Write controller and rest of the required classes
- Ans.
Create a Spring Boot controller and required classes for a scenario
Create a controller class with @RestController annotation
Define request mapping for different endpoints using @RequestMapping or @GetMapping/@PostMapping annotations
Implement methods to handle different HTTP requests and return appropriate responses
Use @Autowired annotation to inject dependencies like services or repositories
Create service classes to ha...
- Q2. Java 8 , stream apis
Skills evaluated in this interview
I applied via Referral and was interviewed in Jan 2022. There was 1 interview round.
(1 Question)
- Q1. 1. What is a loop in switching? 2. How do you say vlan 200 working on switch? 3. How do you say ethernet frame is tagged or untagged? 4. Regarding project 5. Python string slicing 6. Max vlans allowed on s...
- Ans.
Technical questions related to switching, VLANs, and Python string slicing for Lead Engineer position.
A loop in switching occurs when a broadcast packet is forwarded endlessly between switches.
To say VLAN 200 is working on a switch, you can check the VLAN database or use the show vlan command.
An ethernet frame is tagged when it has a VLAN ID added to its header, and untagged when it does not.
Regarding the project, prov...
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