Computer Hardware & Networking Engineer
20+ Computer Hardware & Networking Engineer Interview Questions and Answers
Q1. Q2. What is a Gateway and full Explanation. 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 event it is LAN n...
read moreA gateway is a hardware device that connects two dissimilar types of networks, allowing data to be sent and received through the internet even if it is a LAN network.
Gateway acts as an entry and exit point for data traffic between networks
It translates data between different network protocols
Examples include routers and firewalls that connect a local network to the internet
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 6. DNS Server
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 messages.
FTP servers facilitate file transfers between clie...read more
Q3. 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
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
Q4. 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
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 file management, memory management, process scheduling, and d...read more
Q5. Q1. What is Protocol and full Explanation. Ans. Protocol is a set of rules which are used in digital communication to connect network device and Exchange information between them.
Protocol is a set of rules used in digital communication to connect network devices and exchange information.
Protocols define the format, timing, sequencing, and error checking of data transmission.
Examples of protocols include TCP/IP, HTTP, FTP, and SMTP.
Protocols ensure that devices can communicate effectively and understand each other's data.
Different protocols serve different purposes, such as routing data, sending emails, or accessing websites.
Q6. How many types of VLAN in Computer Networking Ans. (1) Defaults VLAN (2) Data VLAN (3) Voice VLAN (4) Management VLAN (5) Native VLAN
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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Q7. What is VLAN Ans. Divides on Single Broadcast into Multiple to Broadcast Domains (OR) VLAN Provide a way to Group devices within a VLAN
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 organization.
Devices within a VLAN can communicate with each other as...read more
Q8. How to windows 10 difference windows 11
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 requirements compared to Windows 10.
Performance Improvemen...read more
Computer Hardware & Networking Engineer Jobs
Q9. How to windows Blue screen error
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, check for recent hardware or software changes, update dr...read more
Q10. how many types Class IP address in networking
There are 5 classes of IP addresses in networking: Class A, Class B, Class C, Class D, and Class E.
Class A addresses have a range from 1.0.0.0 to 126.0.0.0 and are used for large networks.
Class B addresses have a range from 128.0.0.0 to 191.255.0.0 and are used for medium-sized networks.
Class C addresses have a range from 192.0.0.0 to 223.255.255.0 and are used for small networks.
Class D addresses have a range from 224.0.0.0 to 239.255.255.255 and are used for multicast purpo...read more
Q11. What is network
A network is a collection of interconnected devices and systems that communicate and share resources.
A network allows devices to communicate with each other, enabling data transfer and resource sharing.
Networks can be local (LAN) or wide area (WAN), depending on the geographical area they cover.
Networks can be wired (Ethernet) or wireless (Wi-Fi), using different protocols for data transmission.
Examples of networks include the internet, corporate networks, and home networks.
Q12. what is a error cord 512
There is no such thing as an error cord 512.
There is no known error cord 512 in computer hardware and networking.
It is possible that the interviewer made a mistake in phrasing the question.
As an engineer, it is important to clarify and ask for more information when faced with unclear questions.
Q13. How 150 Computer at time connect
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 measures such as firewalls and access control lists to protect t...read more
Q14. 320 what is error cord
Error cord is not a known term in computer hardware and networking engineering.
There is no such thing as an error cord in computer hardware and networking engineering.
It is possible that the interviewer meant to ask about an error code.
An error code is a message displayed by a computer program or device to indicate that an error has occurred.
Q15. How configure outlook
To configure Outlook, you need to open the application, enter your email address and password, and set up the server settings.
Open Outlook application
Click on 'File' and then 'Add Account'
Enter your email address and password
Follow the prompts to set up server settings (IMAP/POP and SMTP)
Click 'Finish' to complete the configuration
Q16. which protocol r u use
I primarily use TCP/IP protocol for networking communication.
TCP/IP is the most commonly used protocol in computer networking.
It is a suite of protocols that allows devices to communicate over a network.
Examples of TCP/IP protocols include HTTP, FTP, SMTP, and Telnet.
Q17. What is work harddisk
A hard disk is a data storage device used for storing and retrieving digital information using rapidly rotating disks coated with magnetic material.
Hard disks are commonly used in computers to store operating systems, software, and user data.
They provide non-volatile storage, meaning data is retained even when the computer is turned off.
Hard disks have spinning platters that store data magnetically, and read/write heads that access and modify this data.
Examples of hard disk m...read more
Q18. What is the ccna
CCNA stands for Cisco Certified Network Associate. It is a certification program offered by Cisco Systems to validate networking skills.
CCNA is a widely recognized certification in the field of computer networking.
It covers various networking topics such as routing and switching, network security, wireless networking, and network troubleshooting.
CCNA certification helps professionals gain knowledge and skills required to design, build, and maintain computer networks.
It is an ...read more
Q19. How WAN LAN work
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 connections within a limited area.
Example: A company may ha...read more
Q20. What is work ram
Work RAM, also known as random-access memory, is a type of computer memory that is used to store data and machine code currently being used by the CPU.
Work RAM is volatile memory, meaning it loses its data when the computer is turned off.
It is much faster than storage memory like hard drives or SSDs.
Work RAM is crucial for multitasking and running programs efficiently on a computer.
Examples of work RAM include DDR4, DDR3, and DDR2 RAM modules.
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