TCS System Administrator Interview Questions, Process, and Tips

Q1. About basic linux Architecture
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Q2. About linux storage
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Q1. About my current project
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Q2. About shell scripting
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Q1. About myself and my work experience
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Q2. About relocation and shifts
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Q1. What is lnode, filesystem
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lnode is a data structure representing a file or directory in a filesystem.
• lnode contains metadata about the file or directory, such as permissions, owner, size, and timestamps.

• Filesystems organize and manage data on storage devices, providing a way to store, retrieve, and manage files.

• Examples of filesystems include ext4, NTFS, and FAT32.
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Q2. What is lvm and how to redize it
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LVM (Logical Volume Manager) is a tool used to manage disk space by creating logical volumes from physical volumes.
• LVM allows for dynamic resizing of logical volumes without the need to unmount the filesystem

• To resize an LVM volume, first resize the filesystem within the volume, then resize the logical volume itself

• Use commands like lvextend and resize2fs to resize LVM volumes
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Q3. What is logical volume , group and physical volume
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Logical volume, group, and physical volume are components of logical volume management used in storage systems.
• Logical volume: A virtual storage device created by combining multiple physical volumes.

• Volume group: A collection of physical volumes grouped together to form a pool of storage.

• Physical volume: A physical storage device such as a hard drive or SSD that is part of a volume group.

• Example: In Linux, Logical Volu...read more
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Q4. What isfile oernission and scrip
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File permissions determine who can access, modify, or execute files on a system. Scripts are executable files containing a series of commands.
• File permissions control access to files and directories on a system

• There are three types of permissions: read, write, and execute

• Permissions are set for three categories of users: owner, group, and others

• Scripts are executable files that contain a series of commands to be execut...read more
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Q5. What is network bonding
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Network bonding is the process of combining multiple network interfaces together to increase bandwidth and provide redundancy.
• Network bonding is also known as link aggregation or port trunking.

• It can be used to increase network throughput by combining the bandwidth of multiple interfaces.

• Provides fault tolerance by ensuring network connectivity even if one interface fails.

• Common bonding modes include active-backup, bal...read more
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Normal aptitude questions

Q1. Why are you joining tcs
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Q2. Explain concepts you know in python
Ans. 
Python concepts include data types, loops, functions, classes, and libraries.
• Data types: int, float, str, list, tuple, dict, set

• Loops: for loop, while loop

• Functions: defining functions, passing arguments, returning values

• Classes: creating classes, defining methods, inheritance

• Libraries: importing and using libraries like math, os, and datetime
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Q1. Tell me about yourself
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Experienced System Administrator with a strong background in network administration and troubleshooting.
• Over 5 years of experience in managing and maintaining IT systems

• Skilled in network configuration, security, and troubleshooting

• Proficient in server administration and virtualization technologies

• Strong problem-solving and communication skills

• Certified in Cisco CCNA and Microsoft MCSA
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Q2. Share your previous experience
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I have 5 years of experience as a System Administrator in a large corporate environment.
• Managed and maintained servers, networks, and security systems

• Troubleshooted hardware and software issues for end users

• Implemented backup and disaster recovery plans

• Upgraded systems and software to improve efficiency

• Provided technical support and training to staff members
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