TCS Computer Hardware & Networking Engineer Interview Questions and Answers

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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Q1. What is Gateway ? Ans. Gateway is a hardware device that is used to connect two dissimilar type of network. it allows us to send and receive data through the internet even it is LAN network
Ans. 
A gateway is a hardware device that connects two dissimilar types of networks, allowing data to be sent and received between them.
• Gateway acts as an entry and exit point for data traffic between networks

• It translates data from one format to another to enable communication between networks

• Examples include routers, switches, and firewalls that serve as gateways between LAN and WAN networks
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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. Computer hardware & networking
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Q1. CCTV installation
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Q1. What is computer
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Q2. What is network
Ans. 
A network is a collection of interconnected devices that communicate and share resources.
• Networks can be wired (e.g., Ethernet) or wireless (e.g., Wi-Fi).

• They enable resource sharing, such as printers and files.

• Common types include LAN (Local Area Network) and WAN (Wide Area Network).

• The Internet is the largest example of a global network.
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Q3. What is AI
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