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VVDN Technologies Interview Questions and Answers
191 Interview questions
A Scrum Master facilitates Agile processes, ensuring teams adhere to Scrum principles and practices for effective project delivery.
Understand Scrum Framework: Familiarize yourself with Scrum roles, events, and artifacts.
Facilitate Scrum Events: Organize and lead daily stand-ups, sprint planning, reviews, and retrospectives.
Remove Impediments: Actively identify and resolve obstacles that hinder the team's progress.
...
Change management is a structured approach to transitioning individuals, teams, and organizations to a desired future state.
Identify the change: Recognize what needs to change, e.g., implementing new software.
Assess impact: Evaluate how the change will affect processes and people, e.g., training needs.
Develop a plan: Create a detailed strategy for implementing the change, including timelines and resources.
Communic...
PFMEA (Process Failure Mode and Effects Analysis) identifies potential failures in a process and their impacts.
PFMEA is a systematic approach to identify and evaluate potential failure modes in a process.
It helps prioritize risks based on their severity, occurrence, and detection ratings.
Example: In a manufacturing process, PFMEA might identify a failure mode where a machine could jam, affecting production.
The ana...
Tolerance stackup is the cumulative effect of part tolerances on the final assembly dimensions, impacting fit and function.
Tolerance stackup helps identify potential assembly issues before production.
For example, if part A has a tolerance of ±0.1mm and part B has ±0.2mm, their combined effect needs analysis.
Stackup analysis can be done using worst-case or statistical methods to predict assembly variations.
In autom...
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Latches are level-sensitive devices, while flip-flops are edge-sensitive, controlling data flow differently.
Latches are transparent when enabled, allowing data to pass through continuously.
Flip-flops capture data on specific clock edges (rising or falling).
Example of a latch: D latch, which holds data as long as the enable signal is high.
Example of a flip-flop: D flip-flop, which samples the input at the clock edg...
ESP (Embedded Software Platform) and MSP (Microcontroller Software Platform) serve different purposes in embedded systems.
ESP is designed for developing applications on embedded systems, while MSP focuses on microcontroller-specific software.
ESP supports various programming languages, whereas MSP typically uses C/C++ for low-level programming.
ESP may include higher-level abstractions and libraries, while MSP provi...
VVDN Technologies HR Interview Questions
Microcontrollers are compact integrated circuits designed to govern specific operations in embedded systems.
Microcontrollers typically have a CPU, memory, and I/O peripherals.
Common microcontrollers include the Arduino, PIC, and AVR series.
Pins are categorized as digital I/O, analog input, power, and ground.
Digital I/O pins can be configured as input or output for controlling devices.
Analog input pins read varying...
Excel is a powerful spreadsheet tool used for data analysis, visualization, and management in various fields.
Data Entry: Inputting data into cells for organization.
Formulas: Using functions like SUM() and AVERAGE() for calculations.
Charts: Creating visual representations of data, e.g., bar charts.
Pivot Tables: Summarizing large datasets for analysis.
Conditional Formatting: Highlighting cells based on specific crit...
A main program sheet outlines the essential details and specifications for tool room operations and production processes.
It serves as a reference document for tool design and manufacturing.
Includes specifications like dimensions, materials, and tolerances.
Facilitates communication between engineering and production teams.
Example: A main program sheet for a mold might detail cavity dimensions and cooling channel pl...
H1 value refers to the first header tag in HTML, crucial for SEO and content hierarchy.
H1 tags are used to define the main heading of a webpage.
Search engines prioritize H1 tags for indexing and ranking.
Only one H1 tag is recommended per page for clarity.
Example: <h1>Welcome to Our Website</h1> indicates the primary topic.
VVDN Technologies Interview Experiences
226 interviews found
Anonymous
(2 Questions)
- Q1. Verilog code for 64*x x is 32 bit without using operator
- Ans.
To calculate 64*x where x is 32 bit without using operator in Verilog code.
Use shift left operation to multiply x by 64 (2^6).
Shift x left by 6 bits to achieve the result.
Ensure proper handling of overflow or truncation if necessary.
- Q2. Who will set the setup time and hold time in a flipflop
- Ans.
The setup time and hold time in a flipflop are typically set by the designer during the design phase.
Setup time and hold time are parameters specified by the designer in the flipflop's datasheet.
The designer ensures that the setup time and hold time requirements are met to prevent timing violations.
Setup time is the minimum time before the clock edge that the data input must be stable.
Hold time is the minimum time afte...
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview in Jan 2025.
(14 Questions)
- Q1. Tell me about Yourself
- Q2. What is ARP? How it will work? Can we able to delete the ARP entry? And What is the command? How long the ARP entry will be there in table? What is ARP Poisoning?
- Ans.
ARP stands for Address Resolution Protocol. It is used to map IP addresses to MAC addresses on a local network.
ARP is used to resolve IP addresses to MAC addresses on a local network.
ARP works by broadcasting a request for the MAC address of a specific IP address on the network.
Yes, ARP entries can be deleted using the 'arp -d' command.
ARP entries have a timeout period, typically around 2 minutes, after which they are ...
- Q3. What is DHCP? Explain in Detail?
- Ans.
DHCP stands for Dynamic Host Configuration Protocol, used to automatically assign IP addresses to devices on a network.
DHCP is a network protocol that allows a server to automatically assign IP addresses to devices on a network.
It helps in reducing the manual effort required to configure IP addresses for each device.
DHCP servers maintain a pool of IP addresses and lease them to devices for a specific period of time.
Dev...
- Q4. What is TCP/UDP and how it will work?
- Ans.
TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are two different protocols used for data transmission over networks.
TCP is a connection-oriented protocol that ensures reliable and ordered delivery of data packets.
UDP is a connectionless protocol that does not guarantee delivery or order of packets.
TCP uses handshaking to establish a connection between sender and receiver before data transfer.
UDP i...
- Q5. What is VLAN a d how it will work? Explain with scenario
- Ans.
VLAN stands for Virtual Local Area Network, used to logically segment a network into multiple virtual networks.
VLANs help in improving network security by isolating traffic between different departments or groups.
They can also help in optimizing network performance by reducing broadcast traffic.
VLANs are configured at the switch level and allow devices in different VLANs to communicate with each other based on routing ...
- Q6. What is STP and how it will work?
- Ans.
STP stands for Software Test Plan. It is a document that outlines the testing strategy, objectives, resources, and schedule for a software testing project.
STP defines the scope, approach, resources, and schedule of testing activities.
It helps in identifying the test environment, test deliverables, and test execution schedule.
STP also includes the roles and responsibilities of the testing team members.
It serves as a roa...
- Q7. How to check network connectivity speed? And how will you debug? How can you increase the frames size and how to capture the frames?
- Ans.
To check network connectivity speed, use tools like speedtest.net. Debug by checking for network congestion or hardware issues. Increase frame size by adjusting MTU. Capture frames using tools like Wireshark.
Use tools like speedtest.net to check network connectivity speed
Debug by checking for network congestion, hardware issues, or misconfigured settings
Increase frame size by adjusting Maximum Transmission Unit (MTU)
Ca...
- Q8. Explain me Layer2 and Layer3 in detail
- Ans.
Layer2 and Layer3 are network layers in the OSI model, responsible for data transmission and routing.
Layer2 (Data Link Layer) operates at the MAC address level, handling physical addressing and error detection.
Layer3 (Network Layer) operates at the IP address level, handling routing and logical addressing.
Layer2 switches operate at Layer2, while routers operate at Layer3.
Examples of Layer2 protocols include Ethernet an...
- Q9. What is ICMP and how it will work? How ping works?
- Ans.
ICMP stands for Internet Control Message Protocol. It is used for network troubleshooting and diagnostic purposes.
ICMP is a protocol used by network devices to communicate error messages or operational information.
Ping is a tool that uses ICMP to send echo requests to a target host and waits for an echo reply.
Ping works by sending an ICMP echo request packet to the target host, which then responds with an echo reply if...
- Q10. What is the difference between RIP and OSPF? Explain me OSPF?
- Ans.
RIP is a distance vector routing protocol while OSPF is a link-state routing protocol. OSPF uses Dijkstra algorithm for routing.
RIP stands for Routing Information Protocol and OSPF stands for Open Shortest Path First.
RIP uses hop count as the metric for path selection while OSPF uses cost.
OSPF is more scalable and efficient than RIP as it converges faster and supports VLSM.
OSPF uses areas to divide the network into sma...
- Q11. What is the difference between Cisco switch and other company switches? What is the difference between cisco switch and white box switch?
- Ans.
Cisco switches are known for their reliability, advanced features, and high price point compared to other company switches.
Cisco switches are known for their high quality and reliability.
Cisco switches offer advanced features such as VLAN support, QoS, and security options.
Cisco switches are typically more expensive than switches from other companies.
White box switches are generic, off-the-shelf switches that are not b...
- Q12. What is SONIC cards?
- Ans.
SONIC cards are a type of prepaid card used for making purchases at SONIC Drive-In restaurants.
Prepaid cards used at SONIC Drive-In restaurants
Can be used to pay for food and drinks
Can be reloaded with funds as needed
- Q13. Python program. Input: lst = [12,83,0,17,0,71] Output = [12,83,17,71,0,0] Answer: lst=[12, 83,0,17,0,71] ls=[] l=[] for i in lst: if i! = 0: ls.append(i) else: l.append(i) ...
- Ans.
Python program to move all zeros to the end of a list while maintaining the order of non-zero elements.
Iterate through the input list and separate non-zero elements into one list and zeros into another list.
Concatenate the non-zero list with the zero list to get the desired output.
Print the final list with zeros at the end.
- Q14. Print the below mentioned pattern: * * * * * * * * * * * * * * *
- Ans.
Print a pattern of stars in a pyramid shape.
Use nested loops to print spaces and stars in the desired pattern.
Start with one star at the top and increase the number of stars in each row.
Adjust the spacing to create the pyramid shape.
Selected
I applied via Company Website and was interviewed in Sep 2024. There was 1 interview round.
(5 Questions)
- Q1. Tell me about yourself: Provide a snapshot of who you are, and how your background and skills align with the position. You can also highlight a key accomplishment that's relevant to the role.
- Ans.
I am a dedicated Junior Engineer with a strong background in production and a proven track record of successfully implementing process improvements.
Bachelor's degree in Mechanical Engineering
Experience in optimizing production processes to increase efficiency
Proficient in CAD software for designing production layouts
Implemented a new scheduling system that reduced production downtime by 20%
- Q2. How do you fix a mistake? Provide an example of how you handled a mistake in the workplace, and the actions you took to resolve it.
- Ans.
To fix a mistake, I analyze the root cause, take responsibility, communicate with stakeholders, and implement a solution.
Analyze the root cause of the mistake to understand what went wrong
Take responsibility for the mistake and acknowledge it to relevant parties
Communicate with stakeholders to keep them informed about the situation
Implement a solution to rectify the mistake and prevent it from happening again
Example: I...
- Q3. Focus on highlighting your key strengths, accomplishments, and career goals.
- Q4. Acknowledge your mistake: Take responsibility for your actions and explain what went wrong.
- Ans.
I take full responsibility for my mistake in not double-checking the production schedule, resulting in a delay in delivery.
Acknowledge the mistake without making excuses
Explain what went wrong and how it could have been prevented
Discuss steps taken to rectify the mistake and prevent it from happening again
- Q5. Take care of yourself: Prioritize self-care and get some perspective.
- Ans.
Prioritizing self-care is essential for maintaining overall well-being and gaining perspective in life.
Make time for activities that bring you joy and relaxation, such as reading, exercising, or spending time with loved ones.
Practice mindfulness and self-reflection to understand your emotions and thoughts better.
Set boundaries to protect your mental and physical health, such as saying no to additional work when you're ...
Interview Preparation Tips
Muheed Akhtar
(5 Questions)
- Q1. It was excellent experience
- Q2. LAN Switching SDWAN
- Q3. WAN Routing Windows
- Q4. Security SSL GRE
- Q5. Firewall Monitoring
Aditya Sharma
Selected
I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.
(5 Questions)
- Q1. Stream API related questions , methods etc.
- Q2. What is Qualifier and Primary
- Ans.
Qualifier and Primary are annotations used in Spring framework for dependency injection.
Qualifier annotation is used to specify which bean should be autowired when multiple beans of the same type are present
Primary annotation is used to specify the primary bean to be autowired when multiple beans of the same type are present
Qualifier can be used in combination with Autowired annotation to specify the bean name to be in...
- Q3. Spring boot annotations
- Q4. Sort Array of 0 and 1
- Ans.
Sort an array of 0s and 1s in linear time complexity.
Use two pointers approach - one from the start and one from the end.
Swap 0s to the left and 1s to the right until the pointers meet.
Time complexity: O(n), Space complexity: O(1).
- Q5. How do you handle code reviews
- Ans.
I actively participate in code reviews to ensure code quality and learn from others.
I actively participate in code reviews by providing constructive feedback on others' code.
I also seek feedback on my own code to improve its quality and learn from others.
I follow coding standards and best practices during code reviews to maintain consistency and quality.
I use code review tools like GitHub pull requests or Bitbucket to ...
Skills evaluated in this interview
Selected
Aptitude, electronics
(2 Questions)
- Q1. Transformer and power supply
- Q2. What is a pointer
- Ans.
A pointer is a variable that stores the memory address of another variable, enabling direct memory access and manipulation.
Pointers are used in languages like C and C++ to manage memory efficiently.
Example: int *ptr; // ptr is a pointer to an integer.
Pointers can be dereferenced to access the value at the memory address they point to.
Example: *ptr = 10; // assigns 10 to the integer variable pointed by ptr.
Pointers can ...
(1 Question)
- Q1. What all thinks happen on powering on a device.
- Ans.
When a device is powered on, several processes occur including booting up the operating system, initializing hardware components, loading necessary drivers, and launching user interface.
Booting up the operating system
Initializing hardware components
Loading necessary drivers
Launching user interface
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Walk-in and was interviewed before Feb 2022. There were 5 interview rounds.
(2 Questions)
- Q1. Salary Discussed
- Q2. Verified Degree
IOT Product based Testing
(3 Questions)
- Q1. Whats types of Testing
- Ans.
Types of testing include unit testing, integration testing, system testing, acceptance testing, and regression testing.
Unit testing: Testing individual components or modules of a software.
Integration testing: Testing how different modules work together.
System testing: Testing the entire system as a whole.
Acceptance testing: Testing to ensure the system meets the requirements of the stakeholders.
Regression testing: Test...
- Q2. IP & IT Based
- Q3. Troubleshooting & Configuration
Whats about self knowledge
Skills evaluated in this interview
Selected
I applied via Recruitment Consulltant and was interviewed in Jul 2024. There were 4 interview rounds.
(3 Questions)
- Q1. What are Middleware and filters
- Ans.
Middleware and filters are components in ASP.NET Core that allow you to handle requests and responses in the pipeline.
Middleware are components that are added to the request pipeline to handle requests and responses.
Filters are used to implement cross-cutting concerns like logging, exception handling, and authorization.
Middleware can be used to modify the request or response before it reaches the controller action.
Filt...
- Q2. Authentication and authorisation
- Q3. Oops concepts and questions around overloading overriding method hiding
(1 Question)
- Q1. General hr behavioural question and situational questions
(1 Question)
- Q1. Majorly focused around oops and work practices
(1 Question)
- Q1. Unit testing strategies and basic behavioural questions
Skills evaluated in this interview
I applied via Campus Placement
(2 Questions)
- Q1. About for ele. Part
- Q2. Sap information
(2 Questions)
- Q1. Sap software work
- Ans.
I have extensive experience with SAP software, focusing on modules like SAP ERP and SAP S/4HANA for various business processes.
Implemented SAP ERP solutions for inventory management, improving stock accuracy by 30%.
Trained staff on SAP S/4HANA, enhancing user adoption and reducing errors in data entry.
Conducted system upgrades and migrations, ensuring minimal downtime and seamless transitions.
Collaborated with cross-fu...
- Q2. Material according
Skills evaluated in this interview
Selected
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. Basise interview questions
- Q2. Tell me about you
- Ans.
I am a passionate Prototype Engineer with a strong background in design, development, and testing of innovative prototypes.
Over 5 years of experience in prototype engineering, focusing on rapid prototyping techniques.
Skilled in CAD software like SolidWorks and AutoCAD, having designed prototypes for consumer electronics.
Led a team project that reduced prototype development time by 30% through efficient workflow managem...
- Q3. There are family
- Q4. Weeknes of strength
- Q5. How to interdoues
- Ans.
Introducing oneself effectively sets the tone for communication and builds rapport in professional settings.
Start with your name and current position, e.g., 'Hi, I'm Jane Doe, a Prototype Engineer at XYZ Corp.'
Mention your background briefly, such as education or relevant experience, e.g., 'I graduated with a degree in Mechanical Engineering.'
Highlight your skills or specialties, e.g., 'I specialize in rapid prototypin...
Interview Preparation Tips
Normal aptitude question
(3 Questions)
- Q1. Which language you like?
- Ans.
I prefer C++ for its performance and versatility.
C++ is known for its high performance and efficiency.
C++ is a versatile language that can be used for a wide range of applications.
C++ allows for low-level memory manipulation, making it suitable for embedded systems.
Examples: Developing firmware for microcontrollers, implementing real-time systems.
- Q2. Why c is faster than java or python
- Ans.
C is faster than Java or Python due to its lower-level nature and direct hardware access.
C is a low-level language that allows for direct memory manipulation and hardware access, resulting in faster performance.
Java and Python are higher-level languages with more abstractions, leading to slower execution compared to C.
C code is compiled directly to machine code, while Java and Python code are typically interpreted or r...
- Q3. Reverse string ?
- Ans.
Reversing a string involves rearranging its characters in the opposite order, often used in programming and algorithms.
Use a loop to iterate through the string from the end to the beginning.
In Python, you can use slicing: reversed_string = original_string[::-1].
In C, you can swap characters from the start and end until the middle is reached.
Example in Java: StringBuilder sb = new StringBuilder(original_string); sb.reve...
Skills evaluated in this interview
VVDN Technologies Interview FAQs
The duration of VVDN Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.
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VVDN Technologies Interviews By Designations
- VVDN Technologies Junior Engineer Interview Questions
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based on 254 interview experiences
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VVDN Technologies Reviews and Ratings
based on 2.5k reviews
Rating in categories
3-8 Yrs
Not Disclosed
5-8 Yrs
Not Disclosed
15-25 Yrs
Not Disclosed
|
Junior Engineer
1.7k
salaries
|  ₹1.2 L/yr - ₹3.6 L/yr |
|
Assistant Engineer
808
salaries
| ₹1.5 L/yr - ₹4.5 L/yr |
|
Technical Lead
369
salaries
| ₹12.2 L/yr - ₹22 L/yr |
|
Embedded Software Engineer
343
salaries
| ₹3.5 L/yr - ₹7.5 L/yr |
|
Senior Software Engineer
339
salaries
| ₹7.9 L/yr - ₹14 L/yr |
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