Kyndryl Senior Network Specialist Interview Questions and Answers

Q1. What are the information in TCP IP Header?
Ans. 
TCP IP Header contains information such as source and destination IP addresses, port numbers, sequence numbers, and more.
• Source IP address

• Destination IP address

• Source port number

• Destination port number

• Sequence number

• Acknowledgment number

• Header length

• Checksum
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Q2. What is App ID in Palo Alto Firewalls?
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App ID in Palo Alto Firewalls is a feature that identifies applications on the network based on various parameters.
• App ID uses multiple methods to identify applications, including port-based, protocol-based, and application signature-based identification.

• It allows administrators to create policies based on specific applications rather than just ports or protocols.

• App ID helps in enhancing security by allowing granular ...read more
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Q3. What is the SP3 Architecture of Palo Alto Firewalls?
Ans. 
SP3 Architecture of Palo Alto Firewalls refers to Security Processing Plane, Control Plane, and Data Plane.
• SP3 Architecture consists of Security Processing Plane (SP), Control Plane (C), and Data Plane (D)

• Security Processing Plane (SP) handles security functions like threat prevention and decryption

• Control Plane (C) manages routing and firewall policies

• Data Plane (D) processes and forwards traffic based on firewall pol...read more
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Q1. What is DNS please explain
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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
Ans. 
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. What is Routing
Ans. 
Routing is the process of selecting the best path for network traffic to reach its destination.
• Routing involves determining the optimal path for data packets to travel from the source to the destination.

• Routers use routing tables to make decisions on how to forward packets based on destination IP addresses.

• Routing protocols like OSPF and BGP help routers communicate and exchange routing information.

• Dynamic routing allo...read more
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Q2. What is Networking
Ans. 
Networking is the practice of connecting computers and other devices to share resources and information.
• Networking involves connecting devices together to share resources such as files, printers, and internet access.

• It allows for communication between devices through protocols like TCP/IP.

• Networks can be wired or wireless, with examples including Ethernet, Wi-Fi, and Bluetooth.

• Networking also includes setting up securi...read more
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Q1. Question related to retention
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Q2. Question related to aspirations
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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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Q1. Basics of networking
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Q2. 3 tier architecture
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Coding test contains 2 questions