Mobileum Interview Questions, Process, and Tips

Time and Speed, Percentages, Averages, Ratio and Proportion, Time and Work etc.

Platform was Mettle Assessment, Topics were Tree and Binary Search

Work from office vs Work from Home

Q1. Multi-threading, Communication between thread, dynamic programming, trees, sorting techniques.
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Q2. What is TCP, UDP, Difference between TCP and UDP, Three way handshaking problem, socket programming, HTTP Protocol.
Ans. 
TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are protocols used for data transmission over networks.
• TCP is a connection-oriented protocol that guarantees reliable delivery of data.

• UDP is a connectionless protocol that does not guarantee reliable delivery of data.

• The main difference between TCP and UDP is that TCP provides reliable, ordered, and error-checked delivery of data, while UDP does not.

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Q3. Write code to print bottom view of Binary Search Tree
Ans. 
Print the bottom view of a Binary Search Tree.
• Use a map to store the horizontal distance and the bottom-most node at that distance.

• Traverse the tree in level order and update the map with each node's horizontal distance and level.

• Print the nodes in the map in ascending order of their horizontal distance.
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Q1. Why you want to work from office
Ans. 
I believe working from the office allows for better collaboration and communication with colleagues.
• Better collaboration and communication with colleagues

• Opportunity for face-to-face interactions

• Easier access to resources and equipment

• Faster problem-solving through immediate discussions

• Building stronger relationships with team members
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Q2. Why should we hire you
Ans. 
I have the technical skills, experience, and passion for software engineering that make me a valuable asset to your team.
• I have a strong background in computer science and software development

• I have experience working on various software projects and have a proven track record of delivering high-quality code

• I am a quick learner and can adapt to new technologies and programming languages

• I am a team player and can effect...read more
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Q3. Tell any moment when you felt motivated and depressed at same time. etc
Ans. 
Yes
• When I received a promotion at work but also had to deal with the loss of a loved one

• When I achieved a personal goal but also faced criticism from others

• When I received positive feedback on a project but also experienced imposter syndrome
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Q1. Coding with design fundamentals on BST and DP
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Q1. Coding test with BST, DP
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Q2. LLD, HLD on telecom. SOLID principles, Design patterns, System design
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Q1. One on one round with Architect and Manager. What do we know about SIP, SS7, Diameter.
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Q1. Usual HR questions
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Java internals, coding questions 2sum

Q1. Hld of your previous project
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used React.js for front-end development

• Implemented RESTful APIs for backend using Node.js and Express

• Utilized MongoDB for database storage

• Incorporated authentication and authorization features for user security
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Q2. Question related to self build projects
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Q1. Salary negotiation
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Q2. Location constrain if any
Ans. 
Open to relocation for the right opportunity
• Willing to relocate for the right job opportunity

• Flexible with location for the right role

• Open to considering different locations for the right position
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Q1. Backend Questions regarding
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Q2. UI Questions regarding Angular
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