WatchGuard Technologies Interview Questions and Answers

A good sample to work, their expectation is a detailed in-depth analysis

Q1. What all processes are involved in booting the operating system, take example of windows OS
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Q1. Salary expectation
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Q2. Reason to work in Noida and what is the expectation for coming years
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30 mcq's OF coding and 30 mcq's of apti

Q1. Oops,computer networks
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Q2. 4 pillars of oops , tcp ip model ,osi model
Ans. 
4 pillars of OOPs are Abstraction, Encapsulation, Inheritance, and Polymorphism. TCP/IP and OSI models are networking models.
• Abstraction: Hiding implementation details and showing only necessary information.

• Encapsulation: Binding data and functions together and restricting access to them.

• Inheritance: Creating new classes from existing ones, inheriting their properties and methods.

• Polymorphism: Ability of objects to tak...read more
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Round duration - 60 Minutes
Round difficulty - Medium

It was basically to check my problem solving and OOPS concepts. Also , concepts related to development were asked

Q1. 
Alpha Pattern Problem Statement
Ninja wants to create a pattern using characters in a specified number of rows ‘N’. The pattern arranges characters in increasing order, such that the first row has 1 chara...read more
Ans. 
Generate a pattern of characters in increasing order based on the number of rows specified.
• Iterate through each row from 1 to N

• For each row, print the corresponding character repeated row number of times

• Increment the character for each row
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Q2. 
Covid Vaccination Distribution Problem
As the Government ramps up vaccination drives to combat the second wave of Covid-19, you are tasked with helping plan an effective vaccination schedule. Your goal is...read more
Ans. 
Maximize vaccines administered on a specific day while following certain rules.
• Iterate through each test case and calculate the maximum number of vaccines distributed on the specified day.

• Distribute vaccines in a way that the difference between consecutive days is at most 1 and the total does not exceed the maximum allowed.

• Ensure to maximize the number of vaccines administered on the specified day.

• Return the maximum nu...read more
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Q3. 
Treasure Hunt Problem Statement
Alex and Rome are engaged in a treasure hunt game. Rome has a treasure box that Alex aims to open, using one of the N uniquely numbered keys placed by Rome in boxes numbere...read more
Ans. 
Given a list of key numbers in sequentially numbered boxes, help Alex determine the box containing the correct key.
• Iterate through the list of key numbers and compare each with the target key number.

• Use binary search for efficient search in the sorted list of key numbers.

• Return the box number if the correct key is found, otherwise indicate that it is not present.
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Round duration - 90 Minutes
Round difficulty - Easy

It was an HR cum Technical round taken by a senior member of the technical team

Q1. 
Party Over: Sorting Strings Problem
Help Ninja sort the provided list of strings according to a specific condition given by a monster. The condition is to sort the strings based on the last letter. If two...read more
Ans. 
Sort the list of strings based on the last character, then second last character, and so on.
• Iterate through each string in the list

• Sort the strings based on the last character first, then second last character, and so on

• Use a custom sorting function to achieve the required sorting order
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Q2. 
Mirror Diagonals Problem Statement
Ninja has a square 2D array arr of size N x N. Your task is to determine if the numbers on the left diagonal are the same as those on the right diagonal of the matrix.
...read more
Ans. 
Check if the numbers on the left diagonal are the same as those on the right diagonal of a square matrix.
• Iterate through the matrix to compare the numbers on the left and right diagonals.

• Keep track of the numbers on both diagonals and check for equality.

• Return 'true' if the diagonals are equal, otherwise return 'false'.
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Round duration - 45 minutes
Round difficulty - Medium

Timing was 12 PM. Interviewer was nice.

Q1. 
Reverse the String Problem Statement
You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string.
Example:
Input:
STR = "abcde"
Output:
"e...read more
Ans. 
Reverse a given string containing alphabets, numbers, and special characters.
• Iterate through the string from end to start and append each character to a new string.

• Alternatively, use built-in functions like reverse() or slicing to reverse the string.

• Handle special characters and numbers while reversing the string.

• Ensure to consider the constraints on the length of the string and number of test cases.
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Q2. 
Move Zeros to Left Problem Statement
Your task is to rearrange a given array ARR such that all zero elements appear at the beginning, followed by non-zero elements, while maintaining the relative order of...read more
Ans. 
Rearrange an array such that all zero elements appear at the beginning, followed by non-zero elements, maintaining relative order of non-zero elements.
• Iterate through the array and maintain two pointers - one for the next position to place a zero and one for the next non-zero element.

• Swap the elements at these pointers until all zeros are moved to the left and non-zero elements are in their relative order.

• Time complexi...read more
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Q3. Write an SQL query to find the second highest salary from a table.
Ans. 
SQL query to find the second highest salary from a table
• Use the MAX() function to find the highest salary

• Use the NOT IN operator to exclude the highest salary from the results

• Order the salaries in descending order and limit the result to 1
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Round duration - 60 Minutes
Round difficulty - Medium

Online test

Q1. MCQ Questions
Based on c++,c and java basics
Ans. 
MCQ questions based on C++, C, and Java basics.
• Understand the differences between C++, C, and Java syntax and features.

• Be familiar with basic concepts like data types, control structures, and functions.

• Practice solving MCQs to improve your understanding of the languages.
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Round duration - 150 Minutes
Round difficulty - Medium

Technical interview

Q1. 
Distinct Elements in K-Sized Windows
The task is to determine the number of distinct elements in every sliding window of size 'K' across an array 'ARR' of size 'N'. A 'K' sized window is a contiguous sequ...read more
Ans. 
Calculate the count of distinct elements in each sliding window of size 'K' across an array 'ARR'.
• Use a sliding window approach to iterate through the array and keep track of distinct elements using a hashmap or set.

• Update the count of distinct elements in each window as it slides across the array.

• Return the array detailing the count of distinct elements in each 'K' sized window for each test case.
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Q2. 
MergeSort Linked List Problem Statement
You are given a Singly Linked List of integers. Your task is to sort the list using the 'Merge Sort' algorithm.
Input:
The input consists of a single line contain...read more
Ans. 
Sort a Singly Linked List using Merge Sort algorithm.
• Implement the Merge Sort algorithm for linked lists.

• Divide the list into two halves, sort each half recursively, and then merge them.

• Use a fast and slow pointer to find the middle of the list for splitting.

• Handle the base cases of empty list or single node list.

• Example: Input: 4 3 2 1 -1, Output: 1 2 3 4
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Round duration - 20 minutes
Round difficulty - Hard

Hr interview