VHS Consulting Automation Tester Interview Questions and Answers

System engineer

Basic c programming

Q1. Interviewer makes interview smooth and friendly meeting
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Q2. Write a program reverse number and palindrome in c and basic c programming
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Q1. What is a pointer to pointer
Ans. 
A pointer to pointer is a variable that stores the memory address of another pointer variable.
• It is used to create dynamic data structures like linked lists and trees.

• It allows multiple levels of indirection.

• It is denoted by ** in C and C++.

• Example: int **ptr;

• Example: ptr = &p; where p is a pointer variable.
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Q2. Class, object, inheritance, polymorphism,dbms
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Basic Python problems

Q1. About Selenium (locators)
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Q2. What are the types of Wait
Ans. 
Types of wait include implicit, explicit, fluent, and thread.sleep
• Implicit wait: Waits for a certain amount of time before throwing a NoSuchElementException

• Explicit wait: Waits for a certain condition to occur before proceeding further

• Fluent wait: Waits for a condition to occur with a defined polling interval

• Thread.sleep: Pauses the execution for a specified amount of time
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Topics:
Python, Django, MySQL, Automation, Technical questions

Q1. Topics: Python, Django, MySQL, Automation, Technical questions
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Q2. Explain Django Architecture
Ans. 
Django follows Model-View-Controller (MVC) architectural pattern.
• Django has a high-level architecture that follows the Model-View-Controller (MVC) architectural pattern.

• The Model layer represents the database schema and business logic.

• The View layer is responsible for rendering the templates and presenting the data to the user.

• The Controller layer handles the user's input and interacts with the Model and View layers.

• Dj...read more
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Q3. Difference between XML and JSON
Ans. 
XML is a markup language while JSON is a lightweight data interchange format.
• XML uses tags to define elements while JSON uses key-value pairs.

• XML is more verbose and complex than JSON.

• JSON is easier to read and parse than XML.

• XML supports namespaces and validation while JSON does not.

• XML is widely used in web services and document exchange while JSON is preferred for data exchange between applications.
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