Polestar Consulting Senior Network Engineer Interview Questions and Answers

Q1. Ospf more deep knowledge
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Q2. Ospf scenario based question
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Q3. STP loop prevention how its working
Ans. 
STP loop prevention is achieved by blocking redundant paths in a network to prevent loops.
• STP (Spanning Tree Protocol) identifies redundant paths in a network

• STP selects a root bridge to be the central point of the network

• STP blocks certain ports to prevent loops while still allowing for redundancy

• If a link fails, STP will unblock a previously blocked port to maintain connectivity
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Q4. More info about Routing if you good any one routing just inform based on they will ask
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Q1. BGP and ospf and vlan
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Q2. VSS and stacking switch
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Q1. BGP in depth ospf and vlan
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Q2. Vss and switch stacking switch routing
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Q1. What is DNS please explain
Ans. 
DNS stands for Domain Name System, which translates domain names to IP addresses.
• DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).

• It helps users access websites by typing in easy-to-remember domain names instead of complex IP addresses.

• DNS servers store records of domain names and their corresponding IP addresses, allowing for effi...read more
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Q2. What is DHCP please explain
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DHCP stands for Dynamic Host Configuration Protocol, used to automatically assign IP addresses to devices on a network.
• DHCP eliminates the need for manual IP address configuration on each device

• It assigns IP addresses dynamically, allowing for efficient use of available addresses

• DHCP servers lease IP addresses to devices for a specific period of time

• DHCP also provides other network configuration information, such as su...read more
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Q1. DHCP working principles
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DHCP assigns IP addresses to devices on a network automatically
• DHCP server assigns IP addresses to devices on the network

• DHCP clients request IP addresses from the DHCP server

• DHCP uses a lease mechanism to manage IP address assignments

• DHCP reduces the administrative burden of manually assigning IP addresses
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Q2. DNS working principles
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DNS is a system that translates domain names to IP addresses to locate resources on the internet.
• DNS resolves domain names to IP addresses

• DNS operates through a distributed database system

• DNS uses hierarchical structure with top-level domains like .com, .org, etc.

• DNS queries are resolved through recursive and iterative processes
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Q3. Scenario based question DHCP
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Q4. Spanning tree protocol
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Q1. This is first interview
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Q2. Technical round with co order
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Q3. Based on my profile good
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Q1. Network technical based and hardware
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Q2. Router switch server troubleshooting
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Q3. Active director (AD),SSCM ,OS Imageing
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Q4. Advanced BMC tools , asset management ,linxs,HTML
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Q5. Skills based ,system engineer and apps installation
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Q6. Assemble desktop managed and set the process
Ans. 
To assemble a desktop, manage and set the process, follow these steps:
• Gather all necessary components such as motherboard, CPU, RAM, hard drive, power supply, etc.

• Install the CPU onto the motherboard and attach the heatsink/fan

• Insert the RAM into the appropriate slots on the motherboard

• Attach the hard drive and optical drive to the motherboard using SATA cables

• Connect the power supply to the motherboard and other compo...read more
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Q7. Team management and collect the process
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Q8. Any problem and project to manage
Ans. 
I managed a project to upgrade network infrastructure and troubleshooted connectivity issues.
• Upgraded network switches and routers to improve performance

• Identified and resolved connectivity issues for remote users

• Implemented network security measures to prevent unauthorized access

• Managed network documentation and inventory

• Collaborated with cross-functional teams to ensure project success
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Q9. Are the completed OS issue
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I'm sorry, but I don't understand the question. Could you please rephrase it?
• Please provide more context or clarify the question

• I am not sure what you mean by 'completed OS issue'

• Could you please provide more information or rephrase the question?
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Q10. And console connect ,LAN WAN
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Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q5. Technical speech and my profile
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Ccna global certificated

General knowledge and important to the company

Q1. Skills based in yourself
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Q2. Contact with team and help with team
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