IBM Computer Hardware & Networking Engineer Interview Questions and Answers

Q1. Computer Networking
Ans. A group of computer which are connected to each other for the purpose sharing their resources is called computer network
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Q2. How many types Class IP address in networking
Ans. 
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...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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Need

Q1. Computer hardware & networking
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Q1. CCTV installation
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Q1. What are your goals?
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Q2. Tell me something about your company?
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Q3. What are your weakness?
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Q4. What are the benefits of team work?
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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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