Trinity Mobility Software Engineer Interview Questions and Answers

Coding Rount
DSA Round + Puzzle
SQL + Project Discussion
JS

Dsa problems dp and tress problem

Q1. Tell me about your self
Ans. 
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
• 5 years of experience in software development

• Proficient in developing web applications

• Skilled in using various technologies

• Passionate about software engineering
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Q2. Projects and intership
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Q1. Given an array Reverse array
Ans. 
Reverse array of strings
• Iterate through the array and swap elements from start to end

• Use two pointers, one at the beginning and one at the end, and swap elements until they meet
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Q2. Giaven a string Reverse string
Ans. 
Reverse a given string
• Use built-in functions like reverse() or loop through the string in reverse order

• Create a new string and append characters from the original string in reverse order

• Convert the string to an array of characters, reverse the array, and then join it back into a string
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Q3. Given array find sum of all elements
Ans. 
Calculate sum of all elements in a given array of strings
• Iterate through the array and convert each element to integer before adding to sum

• Handle edge cases like empty array or non-numeric elements

• Return the final sum after iterating through all elements
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Q1. Phone screen about previous experience
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Q1. Mobile app development basics
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Q1. Culture fit questions
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Q1. What is docker cp command
Ans. 
Docker cp command is used to copy files/folders between a container and the host machine.
• Used to copy files/folders from a container to the host machine or vice versa

• Syntax: docker cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH

• Example: docker cp mycontainer:/app/file.txt /host/path
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Q2. How ingress works and how network policy can be created for this situation
Ans. 
Ingress is a Kubernetes resource that exposes HTTP and HTTPS routes from outside the cluster to services within the cluster.
• Ingress works by defining rules for routing external traffic to services based on hostnames or paths.

• Network policies can be created to control the traffic allowed to reach the services behind the Ingress.

• For example, a network policy can restrict traffic to a specific service to only come from a
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Q1. RDBMS related questions asked
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Q2. SQL login building related questions
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