TCS Computer Hardware & Networking Engineer Interview Questions and Answers

Q1. What is operating system ? Ans. Operating system is system software it is an interface between user and computer hardware. It is a single operating system
Ans. 
An operating system is system software that serves as an interface between users and computer hardware.
• Operating system is responsible for managing computer resources and providing a platform for running applications.

• It controls and coordinates the hardware and software components of a computer system.

• Examples of operating systems include Windows, macOS, Linux, and Android.

• Operating systems provide services such as fil...read more
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Q2. How many types Server ? Ans. There are six commanly Server type 1. Web Server 2. Application Server 3. Database Server 4. Mail. Server 5. FTP Server ...read more
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There are six commonly known types of servers: Web, Application, Database, Mail, FTP, and DNS servers.
• Web servers handle HTTP requests and deliver web pages to clients.

• Application servers provide a platform for running applications and managing resources.

• Database servers store and manage databases, allowing access and retrieval of data.

• Mail servers handle email communication, including sending, receiving, and storing m...read more
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Q1. How many types of VLAN in Computer Networking Ans. (1) Defaults VLAN (2) Data VLAN (3) Voice VLAN (4) Management VLAN (5) Native VLAN
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There are five types of VLAN in computer networking: Default VLAN, Data VLAN, Voice VLAN, Management VLAN, and Native VLAN.
• Default VLAN is the VLAN that all switch ports are assigned to by default.

• Data VLAN is used to carry regular network traffic.

• Voice VLAN is used to carry voice traffic for VoIP systems.

• Management VLAN is used for managing network devices.

• Native VLAN is used for untagged traffic on a trunk port.
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Q2. What is VLAN Ans. Divides on Single Broadcast into Multiple to Broadcast Domains (OR) VLAN Provide a way to Group devices within a VLAN
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VLAN stands for Virtual Local Area Network. It is a network technology that allows for the creation of multiple virtual networks within a single physical network.
• VLANs divide a single broadcast domain into multiple broadcast domains.

• They provide a way to group devices within a VLAN, allowing for better network management and security.

• VLANs can be used to separate different departments or functions within an organizatio...read more
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Q1. How WAN LAN work
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WAN (Wide Area Network) and LAN (Local Area Network) are two types of networks that work together to connect devices over different geographical areas.
• WAN covers large geographical areas, connecting multiple LANs together.

• LAN is limited to a small area, like a single building or campus.

• WAN uses public infrastructure like telephone lines, fiber optics, or satellite links.

• LAN typically uses Ethernet cables or Wi-Fi for c...read more
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Q2. How 150 Computer at time connect
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150 computers can connect simultaneously through a network switch or router.
• Use a network switch or router to connect all 150 computers simultaneously.

• Ensure that the network infrastructure can handle the bandwidth and traffic of 150 computers.

• Set up the network with proper IP addressing and subnetting to avoid conflicts.

• Consider using VLANs to segregate traffic and improve network performance.

• Implement security measur...read more
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Q1. How to windows 10 difference windows 11
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Windows 10 and Windows 11 have differences in terms of user interface, features, system requirements, and performance improvements.
• User Interface: Windows 11 introduces a centered Start menu, redesigned taskbar, and new snap layouts.

• Features: Windows 11 includes new features like Snap Groups, Direct integration with Microsoft Teams, and improved gaming capabilities.

• System Requirements: Windows 11 has stricter hardware ...read more
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Q2. How to windows Blue screen error
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A Windows Blue Screen error occurs when the operating system encounters a critical error and cannot recover.
• Blue Screen of Death (BSOD) is a stop error screen displayed by Windows when it encounters a system crash or error.

• It is usually caused by hardware or software issues, such as faulty drivers, incompatible software, or hardware failures.

• To troubleshoot a BSOD, you can analyze the error code displayed on the screen...read more
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Q3. These errors can be caused by both hardware and software issues. If you added new hardware to your PC before the Blue Screen error, shut down your PC, remove the hardware, and try restarting. If you're hav...read more
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Q1. DNS DHCP server VPN firewall ftp apipa
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Q2. Ad OS Mac vtp VLAN router switch lan trunk
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