Vantage Integrated Security Solutions Technical Support Engineer Interview Questions and Answers for Experienced

Q1. IP fiber connection
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Chinese essay about one contrast topic in 45mins, handwriting is better.

Q1. What is WDR ?
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WDR stands for Wide Dynamic Range. It is a feature in cameras that allows them to capture clear images in both bright and dark areas.
• WDR helps to balance the exposure in different parts of the image

• It is useful in scenarios where there are both bright and dark areas in the same frame

• WDR technology combines multiple images taken at different exposures to create a single well-exposed image
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Q2. What is BLC and HLC
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BLC stands for Basic Life Cycle and HLC stands for High Level Cycle.
• BLC refers to the basic stages of a product or system's life cycle, including development, testing, and deployment.

• HLC refers to the higher-level phases of a product or system's life cycle, such as maintenance, updates, and retirement.

• Understanding both BLC and HLC is important for ensuring the successful management of a product or system.
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Q1. What is the Bitrate
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Bitrate is the number of bits processed or transmitted per unit of time.
• Bitrate is commonly used in digital multimedia and telecommunications to measure data transfer rates.

• It is typically measured in bits per second (bps) or kilobits per second (kbps).

• Higher bitrate generally means better quality but also requires more bandwidth.

• For example, a video with a bitrate of 10 Mbps will have higher quality than the same vide
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Q2. What is resolution of 2 MP
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2 MP resolution refers to a camera or display with 2 million pixels.
• 2 MP stands for 2 megapixels

• It means the camera or display has a resolution of 1600 x 1200 pixels

• Higher resolution results in clearer and more detailed images
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Aptitude test covering all technical questions

Q1. Profile related technical
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Q1. Salary negotiation and policy brief
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Q2. Salary negotiation and policy brief given
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Q1. Threads vs process
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Threads are lightweight processes within a single process, sharing memory space, while processes are independent instances of a program with their own memory space.
• Threads share memory space within a process, allowing for efficient communication and data sharing.

• Processes have their own memory space, making them more isolated and secure.

• Threads are faster to create and switch between compared to processes.

• Processes are...read more
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Q2. Thread synchronization program using semaphore/mutex
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Thread synchronization using semaphore/mutex in programming
• Use semaphores to control access to shared resources among multiple threads

• Mutex can be used to ensure only one thread can access a resource at a time

• Implement a program where threads wait for a semaphore signal before accessing a shared resource
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Aptitude followed by core C++ questions.

Q1. What are the expectations
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Expectations for a Senior Software Engineer
• Strong technical skills and expertise in relevant programming languages and technologies

• Ability to lead and mentor junior team members

• Experience in designing and implementing complex software systems

• Excellent problem-solving and analytical skills

• Strong communication and collaboration skills
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Q2. Why you want to join
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Q1. Why you want to change
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Q2. Total experience
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Q3. What is yourCurrent salary
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Q1. What is osi lavel
Ans. 
OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.
• OSI model stands for Open Systems Interconnection model

• It consists of 7 layers, each responsible for specific functions

• Layers include Physical, Data Link, Network, Transport, Session, Presentation, and Application

• Each layer communicates with the adja...read more
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Q2. Osi lavel name serialy
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Q3. How to reset camera
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To reset a camera, locate the reset button or option in the camera settings and follow the instructions provided.
• Locate the reset button on the camera (usually a small hole that requires a pin to press)

• If there is no physical reset button, navigate to the camera settings and look for the reset option

• Follow the on-screen instructions to reset the camera to its default settings
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Q4. How to see live
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Q1. Different types of testing, testing cycles etc
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Different types of testing include unit testing, integration testing, system testing, and acceptance testing.
• Unit testing involves testing individual components of the software.

• Integration testing involves testing how different components work together.

• System testing involves testing the entire system as a whole.

• Acceptance testing involves testing whether the system meets the requirements of the stakeholders.

• Testing cy...read more
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Q2. Where do u want to see urself after 5 years??
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