Karvy Innotech System Administrator Interview Questions and Answers

Q1. What is AD ,Tell me about iso layers,what is tcp/ip.
Ans. 
AD is Active Directory, a directory service developed by Microsoft. ISO layers refer to the OSI model, and TCP/IP is a protocol suite.
• Active Directory is a directory service used to manage resources in a network.

• ISO layers refer to the Open Systems Interconnection model, which is a conceptual model used to describe network communication.

• TCP/IP is a protocol suite used for communication between devices on a network.

• TCP/...read more
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Q1. Salary discussion,joining avail and previous emp details
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Q1. What are Oops concept
Ans. 
Oops concepts refer to Object-Oriented Programming concepts which include inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Allows objects to be treated as instances of their parent class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Abstraction: Hides the complex implementation...read more
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Q2. Describe interprocess communication
Ans. 
Interprocess communication is the mechanism by which processes in a computer system share data and information.
• IPC allows processes to communicate and synchronize with each other

• Common methods include pipes, sockets, shared memory, and message queues

• IPC can be synchronous or asynchronous

• Examples include client-server communication, file sharing, and remote procedure calls
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Q1. Manager ask me only r u ready for relocation and 24/7 shifts
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Q1. Introduce your self , how many languages you know ,where did you staying now,tell me about your family
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Easy aptitude just normal java oops concepts

Q1. DNS configuration,DHCP configure
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Q1. Difference between CPP and java
Ans. 
CPP is a statically typed language with manual memory management, while Java is a dynamically typed language with automatic memory management.
• CPP is a statically typed language, while Java is a dynamically typed language

• CPP requires manual memory management, while Java has automatic memory management (garbage collection)

• CPP is compiled directly to machine code, while Java is compiled to bytecode and runs on a virtual m...read more
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Q2. Java collection
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Q1. Coding questions find occurance of character in string
Ans. 
Find occurrence of a character in a string
• Iterate through each character in the string and count occurrences

• Use a hashmap to store character counts for efficient lookup

• Handle both uppercase and lowercase characters separately
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Q2. Collection framework
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Q3. They ask what you have mentioned in your resume
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Q4. Java 8 functionality
Ans. 
Java 8 introduced several new features and enhancements, including lambda expressions, functional interfaces, streams, and the new Date and Time API.
• Lambda expressions allow for more concise and readable code.

• Functional interfaces can have only one abstract method and are used to implement lambda expressions.

• Streams provide a way to process collections of objects in a functional style.

• The new Date and Time API provides...read more
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Q5. Interface and abstract class
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