AlgoSec Interview Questions, Process, and Tips

1. Sort Colours - Leetcode-75.
2. What is Volatile
3. What is AtomicInteger and internal working.
4. Quick sort
5. Difference between DFS and BFS.
6. Spring pool
7. Grep Command
8. top command in Linux

Q1. Diff between Switch and Router
Ans. 
Switch operates at data link layer and forwards data based on MAC addresses. Router operates at network layer and forwards data based on IP addresses.
• Switch operates at layer 2 of OSI model, while router operates at layer 3.

• Switch forwards data within the same network, while router forwards data between different networks.

• Switch uses MAC addresses to make forwarding decisions, while router uses IP addresses.

• Switch is t...read more
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Q2. What is Dynamic Routing in Networking.
Ans. 
Dynamic routing in networking is a process where routers can select the best path for data packets based on real-time information.
• Dynamic routing protocols allow routers to exchange information and adapt to changes in the network.

• Examples of dynamic routing protocols include RIP, OSPF, and BGP.

• Dynamic routing is more flexible and scalable compared to static routing.

• Dynamic routing helps in load balancing and fault tole
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Q3. Merge the Intervals.
Ans. 
Merge overlapping intervals in an array of intervals.
• Sort the intervals based on the start value.

• Iterate through the intervals and merge overlapping intervals.

• Return the merged intervals.
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Q4. Asked Questions related to project and General question
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Q1. Java coding round- Find second highest number from an Integer array without creating any new array.
Ans. 
Use two variables to keep track of highest and second highest numbers in the array.
• Iterate through the array and compare each element with the highest and second highest variables.

• Update the variables accordingly to find the second highest number.
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Q2. Provide list of test test inputs you will be giving to test your program.
Ans. 
Test inputs include valid inputs, boundary values, invalid inputs, and edge cases.
• Valid inputs: Providing inputs within the valid range to ensure the program functions correctly.

• Boundary values: Testing inputs at the boundaries of valid ranges to check for any issues.

• Invalid inputs: Testing inputs outside the valid range to see how the program handles errors.

• Edge cases: Testing extreme or unusual inputs to uncover any
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Q1. Programming questions
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Q2. Testing scope in the project
Ans. 
Testing scope in a project refers to the boundaries and extent of testing activities that will be conducted.
• Identify the features and functionalities to be tested

• Determine the testing techniques and tools to be used

• Define the entry and exit criteria for testing

• Consider the constraints such as time, resources, and budget

• Ensure test coverage across different platforms and environments
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Write a function to find current path of the file according to list of paths.