G P C & Co Network Support Engineer L2 Interview Questions and Answers

Q1. Practice baaics networking questions Tcp/ip etc.
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Q2. Fibre is also important, practice that too.
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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. 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. Ospf, bgp states
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Q2. How stp work in 3 switches
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STP (Spanning Tree Protocol) is used to prevent loops in a network by blocking redundant paths between switches.
• STP elects a root bridge to serve as the central point in the network

• Each switch determines the best path to the root bridge based on the lowest path cost

• Ports on switches are designated as root ports, designated ports, or blocking ports to create a loop-free topology
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Q1. Site Site VPN on palo alto firewalls
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Site-to-Site VPN on Palo Alto firewalls allows secure communication between different sites.
• Configure VPN tunnel interface on both firewalls

• Define IKE gateway and IPsec crypto profile

• Create VPN tunnel interface and assign IP address

• Define security policies to allow traffic through the VPN tunnel
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Q1. My recent job, location.salary,ctc
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Q2. What is your job role
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As a Network Engineer, my job role is to design, implement, and maintain computer networks for organizations.
• Designing and configuring network infrastructure

• Installing and maintaining network equipment

• Troubleshooting network issues

• Monitoring network performance

• Implementing security measures

• Collaborating with other IT teams and stakeholders

• Documenting network configurations and changes
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Q3. What is current ctc
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The current CTC (Cost to Company) refers to the total salary package of an employee, including all benefits and allowances.
• CTC includes the basic salary, allowances, bonuses, and other benefits.

• It is the total cost incurred by the company for employing the individual.

• CTC is often used as a benchmark for salary negotiations and comparisons.

• Example: My current CTC is $80,000 per annum, including a basic salary of $60,000...read more
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Q4. What accept salary
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Q1. L1 and system troubleshooting methods
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L1 and system troubleshooting methods involve identifying and resolving issues in network and system infrastructure.
• L1 troubleshooting involves basic checks and identifying common issues

• System troubleshooting involves identifying issues with hardware, software, and network components

• Methods include using diagnostic tools, analyzing logs, and following established procedures

• Examples of issues include network connectivit
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Coding test contains 2 questions