Innominds Software Interview Questions, Process, and Tips

Some Aptitude, Some Coding and Some Java Basics - 1.5 hr

Q1. Java Basics - OOPS concept
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Q2. Spring Concepts , Marker Interface etc
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Mostly simple apti questions and basic maths

Q1. Coding test based on arrays, linked lists
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Q2. Reverse a linked list string manupliations
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Reverse a linked list
• Iteratively or recursively traverse the linked list

• Reverse the pointers of each node to point to the previous node

• Update the head of the linked list to the last node
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Q1. What is bootloader
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Bootloader is a program that loads the operating system into the computer's memory during the boot-up process.
• Bootloader is the first piece of software that runs when a device is powered on.

• It initializes the hardware and loads the operating system into memory.

• Bootloaders are specific to each device and are usually locked to prevent unauthorized modifications.

• Examples of bootloaders include GRUB for Linux systems and U
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Q2. What is purpose of Audioflinger
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Audioflinger is a part of the Android system that manages audio input and output streams.
• Audioflinger handles audio routing, mixing, and processing in Android devices.

• It manages audio focus and volume control for different apps and system components.

• Developers can interact with Audioflinger through the AudioTrack and AudioRecord classes in Android.
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Q3. What is android audio
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Android audio refers to the functionality and capabilities of the Android operating system related to sound and music playback.
• Android audio includes features such as playing music, making phone calls, and receiving notifications.

• Developers can use APIs like MediaPlayer and AudioManager to control audio playback in their apps.

• Android supports various audio formats like MP3, AAC, and WAV.

• Audio focus is an important conc...read more
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Q4. What is the use of ipc
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IPC (Inter-Process Communication) is used for communication between different processes or applications running on the same or different devices.
• IPC allows processes to communicate and share data with each other.

• It can be used for passing messages, sharing files, or synchronizing processes.

• Examples of IPC mechanisms include sockets, shared memory, and message queues.
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Q1. What is software Test life Cycle and Bug Life cycle?
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Software Test Life Cycle (STLC) is a sequence of activities carried out to ensure quality in software testing. Bug Life Cycle is a process followed by the testing team to track and manage bugs found during testing.
• STLC includes planning, designing, executing, and reporting of tests.

• Bug Life Cycle includes bug identification, reporting, assigning, fixing, retesting, and closing.

• STLC ensures that the software meets the r...read more
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Q2. What is pull request in git? how do you commit code ? how do you resolve merge conflicts ?
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Pull request is a feature in git that allows developers to review and merge code changes.
• A pull request is created when a developer wants to merge their changes into the main branch

• Other developers can review the changes and leave comments or suggestions

• Once the changes are approved, the pull request can be merged into the main branch

• To commit code, use the 'git commit' command with a message describing the changes mad...read more
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Q3. Python : (1) what is recursion ? Give example ? (2)what are the different data types in python? (3)What is negative indexing in python ? (4) How exception is handled in python ? (5) what is with st...read more
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Python interview questions covering recursion, data types, exception handling, memory management, and more.
• Recursion is a function that calls itself. Example: factorial function.

• Python data types include integers, floats, strings, lists, tuples, and dictionaries.

• Negative indexing allows you to access elements from the end of a list or string. Example: my_list[-1] returns the last element.

• Exceptions are handled using tr...read more
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Q4. (1) what is chmod 644 example.txt permission ? (2) what is the use of xpath? (3) how will you find an element by xpath and by css in selenium ?
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Answers to technical questions for Senior Automation Test Engineer position.
• chmod 644 example.txt permission means the owner has read and write access, while others have only read access.

• XPath is a language used to locate elements in an XML document or HTML page.

• To find an element by XPath in Selenium, use the findElement() method with the By.xpath() locator. For example: driver.findElement(By.xpath("//input[@id='usern...read more
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Q5. (1) write a list comprehension to print a list from 1 to 10 (2) write a program to check if a given positive integer is a power of two (3) create a fibonacci series of 100 using recursive function (4) wri...read more
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A technical interview question for Senior Automation Test Engineer involving list comprehension, power of two, fibonacci series, missing numbers, and character count.
• Use range() function to generate a list from 1 to 10 in list comprehension

• Check if the given integer is a power of two by using bitwise AND operator

• Use recursion to create a fibonacci series of 100

• Find missing numbers from a list by comparing it with a ran...read more
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Q1. What is a generator ? Have you used it in real time?
Ans. 
A generator is a function that returns an iterator object. It generates a sequence of values on the fly.
• Generators are used to create iterators for lazy evaluation of a sequence of values.

• They are memory efficient as they generate values on the fly instead of storing them in memory.

• Generators are used in Python for creating infinite sequences, reading large files, and processing data in chunks.

• Example: def my_generator...read more
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Q2. What is a lambda function? Give a example
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A lambda function is a small anonymous function that can take any number of arguments and return a single value.
• Lambda functions are also known as anonymous functions or closures.

• They are often used as arguments for higher-order functions, such as map, filter, and reduce.

• Example: lambda x: x**2 defines a lambda function that takes one argument and returns its square.
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Q3. Print a list of odd index elements from list1 and even index elements from list2 and print the thrid list with the result set of both. list1 = [3,6,9,12,15,18,21] list2 = [4,8,12,16,20,24,28]
Ans. 
Print odd index elements from list1 and even index elements from list2 and combine them into a third list.
• Loop through both lists and use conditional statements to append the elements to the third list.

• Use the modulo operator to check for odd/even index.

• Final list should contain [6, 4, 12, 12, 18, 20].
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Q4. Write a python program to print the repititve characters in a list which should exclude integers input = ['a','a',4,4,'b','c','a'] output = {'a':3}
Ans. 
Python program to print repetitive characters in a list excluding integers
• Use a dictionary to store the count of each character

• Iterate through the list and check if the character is a string and not an integer

• Print the characters with count greater than 1
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Q1. This is F2F with director. Asked me about the CI/CD
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Q2. Some Basic questions on Selenium like How do you launch a browser instance? What are xpaths? Project structure ? About Sprint Cycle
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Q3. Some python basics on list, dict
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Q1. 1) How to prevent DDOS attack in AWS ? 2)How autoscaling is done in Kafka, PostgresSQl, Kubernetes? 3) What is the difference between IAM group and IAM role ? 4) Design Spotify? 5) How to build a queue usi...read more
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