Dnata Travels Interview Questions and Answers

Five coding questions along with technical questions focusing on Object-Oriented Programming (OOP) and the expected output of Java programs.

Q1. Can you tell me about yourself?
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Graduated with a degree in Computer Science

• Proficient in programming languages such as Java, Python, and C++

• Completed internships at tech companies like Google and Microsoft

• Enthusiastic about learning new technologies and collaborating with team members
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Q2. Find height of binary tree, Find first repeating character, Find number of Islands
Ans. 
The candidate is asked to solve three common coding problems related to binary trees, strings, and matrices.
• To find the height of a binary tree, you can use a recursive function to traverse the tree and calculate the height at each node.

• To find the first repeating character in a string, you can use a hashmap to store the frequency of each character and then iterate through the string to find the first character with a ...read more
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Q1. Based on project
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Q1. Didn't Qualify for it
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Test contains 26 questions for me 13 are java based 13 are c++ based

Q1. Indexing in dbms
Ans. 
Indexing in DBMS is a technique to improve the performance of queries by creating a data structure that allows for faster retrieval of data.
• Indexes are created on columns in a database table to speed up the retrieval of rows that match a certain condition.

• Types of indexes include clustered, non-clustered, unique, and composite indexes.

• Examples of indexing techniques include B-tree, hash, and bitmap indexes.

• Indexing can...read more
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Q2. Find whether two strings are or not anagrams
Ans. 
Check if two strings are anagrams by comparing the sorted characters in each string.
• Sort the characters in both strings and compare if they are equal.

• Ignore spaces and punctuation when comparing the strings.

• Example: 'listen' and 'silent' are anagrams.

• Example: 'hello' and 'world' are not anagrams.
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Q1. Inorder traversal without recursion
Ans. 
Use a stack to simulate the recursive inorder traversal process
• Create an empty stack to store nodes

• Start with the root node and push it onto the stack

• While the stack is not empty, keep traversing left and pushing nodes onto the stack

• Once you reach a leaf node, pop it from the stack, print its value, and move to its right child

• Repeat the process until all nodes have been visited
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Q2. How to make a class final
Ans. 
To make a class final, use the 'final' keyword in the class declaration.
• Use the 'final' keyword before the 'class' keyword in the class declaration

• A final class cannot be subclassed or extended

• Final classes are often used for utility classes or classes that should not be modified
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Q1. What do i know about this role ?
Ans. 
Product Manager is responsible for developing and managing a product or product line throughout its lifecycle.
• Responsible for defining the product vision and strategy

• Collaborates with cross-functional teams such as engineering, design, and marketing

• Analyzes market trends and competition to make informed product decisions

• Creates product roadmaps and prioritizes features based on customer feedback

• Tracks key performance m
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Q2. How you think you will be an asset for companies ?
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Q3. Situational question to see which KPI can be used ?
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Q1. What is your previous experiences
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Q2. How can you contribute your skills at our company
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Group decision interviews assess teamwork, communication, leadership, and decision-making skills through collaborative tasks, focusing on consensus-building and problem-solving abilities.

Group decision interviews assess teamwork, communication, leadership, and decision-making skills through collaborative tasks, focusing on consensus-building and problem-solving abilities.

A case study analyzes real-world scenarios to evaluate problem-solving, decision-making, teamwork, and analytical skills in a practical context.

An assignment is a task or project given to evaluate knowledge, skills, and understanding of specific topics through individual or group work.

An assignment is a task or project given to evaluate knowledge, skills, and understanding of specific topics through individual or group work.

Array , String, stack , queue - Basic Easy to medium level

Q1. What happen when we visit Url
Ans. 
When we visit a URL, the browser sends a request to the server hosting the website, which then responds with the requested web page.
• Browser sends a request to the server hosting the website

• Server processes the request and responds with the requested web page

• Web page is displayed in the browser for the user to interact with
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Q2. Difference B/w Http and https
Ans. 
HTTP is a protocol used for transferring data over the internet, while HTTPS is a secure version of HTTP that encrypts data.
• HTTP stands for Hypertext Transfer Protocol, used for transmitting data over the internet.

• HTTPS stands for Hypertext Transfer Protocol Secure, which adds a layer of security by encrypting data.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTPS uses SSL/TLS certificates to establish a...read more
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Q1. Journey through school life till now
Ans. 
I have always been a dedicated student, excelling in academics and extracurricular activities.
• Consistently achieved top grades in all subjects

• Participated in various school competitions and won awards

• Served as a class representative and organized events

• Took part in sports teams and cultural activities
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Q2. Tell everything and also mention achievement you received
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Three coding online assessments - screening round.

Two to three coding questions based on dynamic programming.

Q1. Resume based and computer network
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Q1. Simple hr question
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Questions related to logical thinking

Common topics related to AI & other stuffs

Q1. Excel basic questions such as conditional formatting
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Q2. Sql questions such as Types of Joints etc
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