Matrix Security Surveillance Interview Questions and Answers

Q1. What do you know about sales?
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Q2. What is your hobbies, experience and education qualification.
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Q1. How much experience do you have?
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Q2. Why did you leave your job?
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Q3. Why did you leave that job?
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Q1. HTML, CSS fundamentals
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Q2. Javascript event loop and array methods
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Q3. Javascript coding for operation on object array
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Q4. React benefits and Redux implementations
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Q5. How to create slice and combine reducers
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Q1. Questions based on projects, role, responsibilities and initiative at work place
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Q2. How to create and optimize a react application
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Q1. Day to day activity of workplace and salary negotiation
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Q1. Self introduction
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Q2. Self introduction
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Q3. Personal details
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Q4. Personal details
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Q1. Education family background
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Q2. Education family background
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Q3. Personal information
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Q1. Story reading and writing
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Q2. Graping information
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Q1. Code Speed type
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Q2. Having good attitude
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Q1. What is polymorphism,generator,decorator? List vs tuple?
Ans. 
Polymorphism allows objects of different classes to be treated as objects of a common superclass. Generators produce items one at a time. Decorators add functionality to existing functions or methods.
• Polymorphism: Enables objects of different classes to be treated as objects of a common superclass. Example: Animal superclass with Dog and Cat subclasses.

• Generator: Produces items one at a time, allowing for efficient mem...read more
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Q2. TFIDF, BOW What is embedding why important how to craete embeddings?
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Embeddings are a way to represent words or phrases as vectors in a high-dimensional space, capturing semantic relationships.
• Embeddings are important for tasks like natural language processing, where words need to be represented in a meaningful way.

• They can be created using techniques like Word2Vec, GloVe, or using neural networks like Word Embeddings.

• Embeddings help in capturing semantic relationships between words, al...read more
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Q3. What is Encoder decoder explain with example?
Ans. 
Encoder-decoder is a neural network architecture used for tasks like machine translation.
• Encoder processes input data and generates a fixed-length representation

• Decoder uses the representation to generate output sequence

• Example: Seq2Seq model for translating English to French
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Q4. What is stop word? We need to remove in every application or not tell me example when stop words are importan?
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Q1. Given an array of non-negative integers.Find the length of the longest subsequence such that elements in the subsequence are contiguous integers. The consecutive numbers can be in any order. Example n=7 nu...read more
Ans. 
Find the length of the longest subsequence of contiguous integers in an array.
• Sort the array

• Iterate through the array and check for consecutive integers

• Keep track of the longest subsequence found
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Q2. Get list of pincodes from these objects Employee{ id Long, name String, Addresses : List
} Addresses{ houseNo long, pindcode long, state String, country String, } Ans. Use flatMap to flatten and then use m...read more
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Use flatMap and map to extract list of pincodes from Employee objects
• Use flatMap to flatten the list of Addresses in each Employee object

• Use map to iterate over the flattened list and extract the pincodes

• Example: employeeList.stream().flatMap(emp -> emp.getAddresses().stream()).map(address -> address.getPincode()).collect(Collectors.toList())
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Q3. What is Database Pooling, Hikari and its configurations. Java 8 to current enchancements and current java version Factory and Builder design patterns to explain and code Project expalantion and details, Cr...read more
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Database pooling is a technique used to manage a pool of database connections for efficient resource utilization. HikariCP is a popular database connection pooling library in Java.
• HikariCP is a high-performance database connection pooling library for Java applications.

• It is known for its low latency and high throughput.

• Configurations for HikariCP include settings such as maximum pool size, connection timeout, and idle ...read more
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Q1. What basic questions have you been asked regarding your accomplishments and achievements?
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Q2. Technical regarding excel
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Q1. Why do you believe you are a good fit for this role?
Ans. 
I have a proven track record of successfully managing key accounts and developing strong relationships with clients.
• Extensive experience in key account management

• Strong communication and negotiation skills

• Ability to identify and capitalize on business opportunities

• Track record of exceeding sales targets

• Excellent relationship-building skills
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Q1. Excel questions about vlookup
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Some persons are discussing the company and jobs

Q1. What experience in this field
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Q2. What kind of job works before
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Q3. Any reason choose this platform
Ans. 
I chose this platform because of its strong reputation in the industry and its proven track record of success.
• Strong reputation in the industry

• Proven track record of success

• Positive reviews from current and past employees

• Opportunities for growth and advancement

• Innovative and cutting-edge technology
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Q4. When you start your platform
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Q5. Are you sure this job is perfect
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