Karvy Innotech Linux System Administrator Interview Questions and Answers

Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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Q1. Why did we hired you
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Q2. What is next 5 years see your self
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Q1. Expain OOPS Concept.
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OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve problems.

• It involves concepts like inheritance, encapsulation, polymorphism, and abstraction.

• For example, a class 'Car' can have properties like 'color' and 'model', and methods like 'drive' and 'stop'.
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Q2. What is static keyword used for?
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Static keyword is used in programming to declare variables, methods, or classes that belong to the class itself rather than instances of the class.
• Used to create class variables and methods that can be accessed without creating an instance of the class

• Static variables are shared among all instances of a class

• Static methods can be called without creating an object of the class

• Static keyword can also be used to create a
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Aptitude test all mathematical and general aptitude questions

Any topic related to current trends

Q1. Totally technical round all the questions related to the position that you are applying for
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Q2. Different types of Models etc..
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There are various types of models used in different fields such as statistical models, mathematical models, physical models, etc.
• Statistical models: Used in data analysis to make predictions or draw inferences.

• Mathematical models: Represented using mathematical equations to describe real-world phenomena.

• Physical models: Used to simulate physical systems or objects for testing or analysis.

• Computer models: Utilized in co...read more
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Q3. Explain Bug life cycle or defect life cycle
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Bug life cycle or defect life cycle is the process of identifying, reporting, prioritizing, fixing, and verifying bugs in software development.
• Bug identification: Bugs are identified through testing, user feedback, or code reviews.

• Bug reporting: Bugs are reported in a bug tracking system with details like steps to reproduce, severity, and priority.

• Bug prioritization: Bugs are prioritized based on severity and impact on...read more
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Q1. Explain Firewall
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Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
• Firewall acts as a barrier between a trusted internal network and untrusted external network.

• It can be implemented in hardware, software, or a combination of both.

• Firewalls can filter traffic based on IP addresses, ports, protocols, and application types.

• They can prevent unauthori...read more
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Q2. Explain Switching and routing
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Switching involves forwarding data packets within a network, while routing involves determining the best path for data packets to travel between networks.
• Switching operates at Layer 2 of the OSI model, using MAC addresses to forward data within a local network.

• Routing operates at Layer 3 of the OSI model, using IP addresses to determine the best path for data to travel between networks.

• Switches use MAC address tables t...read more
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Q1. What is VTP (VLAN Trunking Protocol)?
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VTP is a Cisco proprietary protocol used to manage VLAN configurations across a network.
• VTP allows for centralized management of VLANs by automatically propagating VLAN information to all switches in the network.

• It reduces the need to manually configure VLANs on each switch, making network administration more efficient.

• VTP operates in client, server, and transparent modes, with the server being the switch that can crea...read more
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Q2. What actions would you take if the switch enters ROMMON mode after a reboot?
Ans. 
To troubleshoot a switch in ROMMON mode after a reboot, follow these steps.
• Check the configuration register value to ensure it is correct

• Verify the boot image and configuration file are present and accessible

• Attempt to boot the switch manually using the boot command

• If necessary, reload the switch with a valid IOS image from a TFTP server
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Q1. Depending on candidate
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Q2. Solve the solution
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Q3. Provide support
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Must have knowege of the work

Q1. Nothing only basic they are osking
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Q2. Must have basic knowledge of the work
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