Ipseity Group Linux System Administrator Interview Questions and Answers

Q1. Different and high level questions not meant for 0-2 years of experience candidates.
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Q1. Linux how it works and all about linux
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Q2. About file system and selinux and sql
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Q1. Types of memory dumps available in windows
Ans. 
Types of memory dumps in Windows include Complete Memory Dump, Kernel Memory Dump, Small Memory Dump, and Automatic Memory Dump.
• Complete Memory Dump - contains all the contents of physical memory at the time of the crash

• Kernel Memory Dump - includes only kernel memory, useful for troubleshooting kernel mode crashes

• Small Memory Dump - contains minimal information about the crash, takes up less space

• Automatic Memory Dump...read more
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Q2. Updating patches in ESXi server
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Updating patches in ESXi server involves downloading the patches from VMware website and applying them using the command line interface.
• Download the necessary patches from the VMware website

• Upload the patches to the ESXi server using SCP or other methods

• Put the ESXi server into maintenance mode before applying the patches

• Apply the patches using the command line interface

• Reboot the ESXi server to complete the patching p
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30 dsa , java , dbs, oops , javascript , react js

Q1. Tell me about yourself
Ans. 
Experienced system engineer with a strong background in network infrastructure and cloud computing.
• Over 5 years of experience in designing, implementing, and maintaining complex systems

• Proficient in network security protocols such as VPNs and firewalls

• Skilled in cloud computing platforms like AWS and Azure

• Strong troubleshooting and problem-solving skills

• Excellent communication and teamwork abilities
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Q2. How you overcome fear
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I overcome fear by facing it head-on and breaking it down into smaller, manageable steps.
• Identify the root cause of the fear

• Break down the fear into smaller tasks

• Seek support from others

• Practice relaxation techniques

• Visualize success and positive outcomes
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Medium level question where asked in this round.

1 medium 1 hard question and had a good structured question.

Q1. Capacity planning
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Q1. Check my language skills?
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Q2. What is OSI layer with examples?
Ans. 
OSI (Open Systems Interconnection) model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.
• OSI model has 7 layers, each layer has a specific function and communicates with the layer above and below it.

• Examples of OSI layers are: Physical layer (transmitting bits over a medium), Data link layer (framing data into packets), Network layer (rout...read more
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Q3. What are CMD commands usually used?
Ans. 
CMD commands are used for various tasks like managing files, network settings, system configurations, and more.
• CMD commands are used to navigate and manage files and directories on a computer.

• They can be used to configure network settings and troubleshoot network issues.

• CMD commands can also be used to manage system configurations and services.

• Some commonly used CMD commands include dir, cd, ipconfig, ping, netstat, an
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Q1. What is thread pool and how to manage it?
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Thread pool is a collection of threads that are used to execute tasks concurrently. It helps in reducing the overhead of thread creation.
• Thread pool manages a fixed number of threads and assigns tasks to them as they become available.

• It helps in improving the performance of applications by reducing the time taken to create and destroy threads.

• Thread pool can be managed using various parameters such as the size of the t...read more
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Q2. What is thread life cycle?
Ans. 
Thread life cycle refers to the various stages a thread goes through during its execution.
• Thread is created

• Thread is started

• Thread is running

• Thread is blocked

• Thread is terminated
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