Network Solutions Hardware & Networking Engineer Interview Questions and Answers

Q1. How WAN LAN work
Ans. 
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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Network , ccna Q mcq type , cyber security Q, basic electronics

Q1. Communication, network Questions
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Q2. Internship regrading Questions
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Q1. Tell me a little bit about yourself
Ans. 
I am an experienced IT Engineer with a strong background in network administration and troubleshooting.
• Experienced IT Engineer

• Strong background in network administration

• Skilled in troubleshooting

• Proficient in various operating systems and software

• Familiar with cybersecurity practices

• Excellent problem-solving and communication skills
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Q2. Tell about your strength and weakness
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My strength is problem-solving and my weakness is time management.
• Strength: I have a strong ability to analyze complex problems and find effective solutions.

• Strength: I am skilled in troubleshooting and resolving technical issues.

• Weakness: I sometimes struggle with managing my time efficiently and prioritizing tasks.

• Weakness: I am working on improving my time management skills by using productivity tools and setting cl...read more
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Q3. Why you make transition into IT
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I transitioned into IT because of my passion for technology and problem-solving.
• Passion for technology and problem-solving

• Opportunity for growth and advancement

• Interest in staying up-to-date with the latest advancements

• Ability to contribute to the development of innovative solutions

• Examples: Enjoying troubleshooting computer issues, building websites as a hobby
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Q1. Resume shortlisted
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Q1. Networking basics, Network security
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Q1. What is IP address
Ans. 
An IP address is a unique numerical label assigned to each device connected to a computer network.
• IP address stands for Internet Protocol address.

• It is used to identify and locate devices on a network.

• There are two types of IP addresses - IPv4 and IPv6.

• Example of IPv4 address: 192.168.1.1

• Example of IPv6 address: 2001:0db8:85a3:0000:0000:8a2e:0370:7334
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Q2. What is osi model
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The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.
• The OSI model stands for Open Systems Interconnection model

• It helps in understanding how different networking protocols work together

• Each layer has specific functions and communicates with adjacent layers

• Examples of layers include physical layer, data link layer, network layer, e
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Q1. Introduce to yourself
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Q2. What is daily routine
Ans. 
The daily routine of an IT Support Engineer involves troubleshooting technical issues, providing support to end users, and maintaining IT systems.
• Responding to help desk tickets and resolving technical issues

• Installing and configuring hardware and software

• Providing technical support to end users via phone, email, or in person

• Performing routine maintenance on IT systems

• Documenting solutions and procedures for future ref
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Q1. How to windows 10 difference windows 11
Ans. 
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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Problem solving,any aptitute test

Switches routers osi layers

Q1. BGP attributes and how they work
Ans. 
BGP attributes are used to influence the path selection process in BGP routing.
• BGP attributes include AS_PATH, NEXT_HOP, LOCAL_PREF, etc.

• AS_PATH is a list of AS numbers that the route has traversed.

• NEXT_HOP is the IP address to reach the next hop towards the destination.

• LOCAL_PREF is used to influence outbound traffic.

• MED (Multi-Exit Discriminator) is used to influence inbound traffic.

• Weight is a Cisco-specific attribu...read more
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Q2. What to do if BGP goes down , how will you troubleshoot
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To troubleshoot BGP going down, check BGP neighbor status, analyze BGP routing table, verify BGP configuration, and check for any network connectivity issues.
• Check BGP neighbor status to see if the neighbors are up and if there are any flaps

• Analyze BGP routing table to identify any inconsistencies or missing routes

• Verify BGP configuration for any errors or misconfigurations

• Check for any network connectivity issues such
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Q3. OSPF formation each state
Ans. 
OSPF formation involves states like Down, Init, 2-Way, Exstart, Exchange, Loading, Full.
• Down state: Initial state when OSPF process is not running.

• Init state: OSPF process is starting up.

• 2-Way state: Routers have exchanged hello packets and are now neighbors.

• Exstart state: Master and slave routers are determined.

• Exchange state: Database description packets are exchanged.

• Loading state: Link-state advertisements are exch...read more
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Q4. OSPF LSA types and which routes generates each LSA
Ans. 
OSPF LSA types include Router LSA, Network LSA, Summary LSA, and ASBR Summary LSA.
• Router LSA (Type 1) - Generated by all routers and contains information about directly connected links.

• Network LSA (Type 2) - Generated by DR to advertise the network segment.

• Summary LSA (Type 3, 4, 5) - Generated by ABR to advertise routes to other areas.

• ASBR Summary LSA (Type 4) - Generated by ABR to advertise ASBR information to other
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