EPAM Systems Senior C Developer Interview Questions and Answers

Q1. What is CVS? How it is installed in IIB
Ans. 
CVS stands for Concurrent Versions System, a version control system. It can be installed in IIB using the command line or GUI.
• CVS is a version control system used to track changes in files and manage multiple versions of the same project.

• To install CVS in IIB, you can use the command line by running 'sudo apt-get install cvs' or use a GUI tool like TortoiseCVS.

• Once installed, you can configure CVS in IIB by setting up ...read more
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Q2. How SSL is configured in ACE
Ans. 
SSL in ACE is configured using SSL profiles which define the SSL settings for a virtual server.
• SSL profiles in ACE define the SSL version, cipher suite, key exchange algorithm, etc.

• SSL profiles can be attached to a virtual server to enable SSL encryption for client connections.

• ACE supports SSL termination where SSL connections from clients are decrypted at the ACE and forwarded to backend servers in clear text.
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Q3. Difference between IIB and ACE
Ans. 
IIB is the previous version of IBM Integration Bus, while ACE is the newer version with added features and capabilities.
• IIB stands for IBM Integration Bus, while ACE stands for App Connect Enterprise.

• ACE includes all the features of IIB along with additional capabilities such as support for RESTful APIs and enhanced security.

• ACE also provides a more user-friendly interface for developers compared to IIB.

• Migration from ...read more
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Q1. Write MySQL query to find employee with 2nd Highest salary
Ans. 
Use MySQL query with ORDER BY and LIMIT to find employee with 2nd highest salary.
• Use ORDER BY salary DESC to sort salaries in descending order

• Use LIMIT 1,1 to skip the highest salary and get the second highest salary
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Q2. What is branch in git
Ans. 
A branch in git is a separate line of development that allows you to work on features or fixes without affecting the main codebase.
• Branches allow for parallel development

• They can be created, switched between, merged, and deleted

• Common branches include master, develop, feature branches, and release branches
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Q1. Ask for basic dot net questions
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Q1. Core Java Questions
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Q2. Spring Boot Questions
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Q1. HighLevelDesign Questions
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Q2. Basic Docker questions
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Q1. Mostly questions from Domain, JavaScript, Like output based questions of objects, their memory location, reference, one DSA question from recursion, output based questions mostly
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There was Aptitude, Technical and Coding. Coding there were 4 sections for 4 languages (C, C++, java, Python) We had to do atleast 2. Technical MCQs were based on OS, CN, DSA, C, C++, Python (Numpy, Panda) and Java

Q1. Mainly asked OS, and since I'm from EEE dept, i wasnt well versed in CN, so no CN questions were asked to me. My primary coding language was Python, so some questions regarding the python was asked. I was ...read more
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Q1. Reverse string using recursion in java
Ans. 
Reverse a string using recursion in Java
• Create a recursive method that takes a string as input

• Base case: if the string is empty or has only one character, return the string

• Recursive case: return the last character of the string concatenated with the result of calling the method with the substring excluding the last character
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