WatchGuard Technologies Sdet Engineer Interview Questions and Answers

DSA and Python based questions

Q1. Basics of technology eg frame format of ethernet,sdh eci huawei nms ems muxes involved
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Q1. Technical on the basis of day to day work
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Q1. Salary discussion expectation and negotiation
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Q1. What is polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or classes.

• Examples include method overloading and method overriding in object-oriented programming.
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Q2. Find missing number from nth number array.
Ans. 
Find missing number from nth number array.
• Iterate through the array and calculate the sum of all numbers

• Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2

• Subtract the sum of array from the sum of numbers from 1 to n to find the missing number
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Q3. Explain inheritance and it types
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows a class to reuse code from another class.

• Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.

• Example: Class B inherits from Class A, so Class B can access
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Q4. Find 2nd max elements from aaray
Ans. 
Find 2nd max element from array of strings
• Sort the array in descending order

• Skip the first element (max element)

• Return the second element
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Q1. Your quantitative aptitude Test
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Q2. Share about your role and responsibility
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Q3. What is Your current CTC and expectations
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Q1. SDH and frame structure, alarms flow,PDH, DWDM and component of DWDM, OTN data rate, FEC and TCM
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Q1. Same as above, but in depth
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Q1. Salary, introduction, interview experience
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Q1. Javascript basics - event loop, type conversion, call apply bind
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Q1. Design discussion, current project
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Javascript related test

Shopping cart, How to develop a shopping cart, its architecture