TCS System Administrator Interview Questions and Answers

Q1. Active Directory
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Q2. Group policy , How to implement them
Ans. 
Group policies are implemented through Active Directory to manage user and computer settings in a network environment.
• Create a new Group Policy Object (GPO) in Active Directory

• Link the GPO to the appropriate Organizational Unit (OU)

• Configure the settings within the GPO using Group Policy Management Console (GPMC)

• Apply the GPO to the desired users or computers

• Use Group Policy Preferences to deploy settings like mapped d...read more
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The coding question are come under the real time scenerios and we can create the program in any langauage

Q1. Introduction about your self
Ans. You can give a brief idea about your selft
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Q2. Java Oops cancept
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Java OOP concepts include encapsulation, inheritance, polymorphism, and abstraction, essential for object-oriented programming.
• Encapsulation: Bundling data and methods. Example: A class 'Car' with attributes like 'speed' and methods like 'accelerate()'.

• Inheritance: Deriving new classes from existing ones. Example: 'ElectricCar' inherits from 'Car'.

• Polymorphism: Ability to take many forms. Example: Method overloading wi...read more
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Q3. Sql creating the table
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Creating a table in SQL involves defining its structure, including columns, data types, and constraints.
• Use the CREATE TABLE statement to define a new table.

• Specify column names and their data types, e.g., 'id INT', 'name VARCHAR(100)'.

• Add constraints like PRIMARY KEY, NOT NULL, and UNIQUE for data integrity.

• Example: CREATE TABLE users (id INT PRIMARY KEY, name VARCHAR(100) NOT NULL);

• You can also define foreign keys to...read more
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Q1. Different Linux Commands and their use cases
Ans. 
Various Linux commands and their use cases
• ls - list directory contents

• cd - change directory

• pwd - print working directory

• cp - copy files and directories

• mv - move or rename files and directories

• rm - remove files and directories

• grep - search for patterns in files

• chmod - change file permissions

• ps - display information about running processes

• top - display and update sorted information about processes

• df - report file system ...read more
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Q1. Are you fine with rotational shifts?
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Q2. Are you willing to relocate?
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Easy questions like LCM gcd time work

Q1. What do you mean by VPN
Ans. 
VPN stands for Virtual Private Network, which allows users to securely access a private network over a public network.
• VPN creates a secure and encrypted connection between the user's device and the private network

• It helps in protecting sensitive data from unauthorized access

• VPN can be used to access resources remotely, bypass geo-restrictions, and enhance privacy online

• Examples of VPN services include NordVPN, ExpressV...read more
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Q2. What is https and http
Ans. 
HTTP is a protocol used for transferring data over the internet, while HTTPS is a secure version of HTTP that encrypts data.
• HTTP stands for Hypertext Transfer Protocol and is used for transmitting data over the internet

• HTTPS is a secure version of HTTP that uses encryption to protect data

• HTTPS is commonly used for secure transactions such as online banking or shopping

• HTTP operates on port 80, while HTTPS operates on po...read more
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Q3. What is the port number of udp
Ans. 
The port number of UDP is 17.
• UDP uses port number 17 for communication.

• UDP is a connectionless protocol, so it does not require a specific port number for each connection.

• Port number 17 is commonly used for the Daytime Protocol.

• UDP port numbers range from 0 to 65535.
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Q1. Prepare on all areas which skill your interviewing
Ans. 
Prepare for a System Administrator interview by focusing on key technical skills and soft skills essential for the role.
• Understand operating systems: Proficiency in Windows Server and Linux distributions (e.g., Ubuntu, CentOS).

• Networking fundamentals: Knowledge of TCP/IP, DNS, DHCP, and VPN configurations.

• System security: Familiarity with firewalls, intrusion detection systems, and security best practices.

• Virtualizatio...read more
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Q2. Basic knowleage is required
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Q1. Managment knowledge, understading of workflow, understanding change control policy
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Q1. Salary discussion, job location discussion, document details
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