Infinite Computer Solutions Network Lead Interview Questions and Answers

Q1. Basic questions about ip address and mac addresses
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Q2. Switch, router, ip class, and some scenario based questions
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Q1. Networking basics, one scenario question
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Q1. DHCP, DNS, PORT NUMBERS, SUBNETING
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Q1. Location, CTC, where you'll be see you in next 3 years?
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Coding test contains 2 questions

Q1. Explain DHCP and DORA process
Ans. 
DHCP is a network protocol that dynamically assigns IP addresses to devices on a network. DORA process involves Discover, Offer, Request, and Acknowledge stages.
• DHCP Discover: Client broadcasts a request for IP address

• DHCP Offer: Server responds with an available IP address

• DHCP Request: Client requests the offered IP address

• DHCP Acknowledge: Server confirms the IP address assignment
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Q2. How a personal computer communicate with a web application. Process (Scenario base)
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A personal computer communicates with a web application through a series of steps involving network protocols.
• The computer sends a request to the web application's server using the HTTP protocol.

• The server processes the request and sends back a response containing the requested information.

• The communication is facilitated by the TCP/IP protocol stack.

• Data is transmitted over the internet using IP addresses and domain n...read more
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Q1. How SSL handshake works
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SSL handshake is a process where a client and server establish a secure connection by exchanging encryption keys and verifying identities.
• Client sends a hello message to server with supported encryption algorithms

• Server responds with its own hello message, including its certificate

• Client verifies server's certificate and generates a pre-master secret

• Both client and server use the pre-master secret to generate a unique ...read more
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Q2. Arp and it's types
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ARP (Address Resolution Protocol) is a protocol used for mapping an IP address to a MAC address.
• ARP is used to resolve IP addresses to MAC addresses on a local network.

• There are two main types of ARP: ARP Request and ARP Reply.

• ARP Request is sent by a device to find the MAC address of another device with a known IP address.

• ARP Reply is sent in response to an ARP Request, providing the MAC address of the requested IP ad
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Simple basic question of dsa were asked

Q1. Questions asked from computer network . all the concepts of computer network are useful like osi layers, ipv4 vs ipv6, cloud computing , routers.
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Q2. Question on virtualization.
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Q3. Different layers of osi models.
Ans. 
The OSI model has 7 layers that define how data is transmitted over a network.
• Layer 1: Physical layer - deals with the physical aspects of transmitting data

• Layer 2: Data link layer - responsible for error-free transfer of data between nodes

• Layer 3: Network layer - handles routing of data between different networks

• Layer 4: Transport layer - ensures reliable delivery of data between applications

• Layer 5: Session layer - e...read more
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Q1. Questions on family backgound
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Q2. Questions on introduce yourself.
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Q1. Explain TCP IP Model
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Q1. What's is the function of switch and router how to use in networking
Ans. 
Switches connect devices within a network, while routers connect different networks and enable communication between them.
• Switches operate at the data link layer of the OSI model and use MAC addresses to forward data within a network.

• Routers operate at the network layer of the OSI model and use IP addresses to route data between different networks.

• Switches create multiple collision domains, while routers create multipl...read more
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Q1. What is the role of as eng. To improve network
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The role of a network engineer is to improve network performance, security, and reliability through design, implementation, and maintenance.
• Designing and implementing network upgrades to increase performance

• Implementing security measures to protect against cyber threats

• Monitoring network traffic and troubleshooting issues to ensure reliability

• Optimizing network configurations for efficiency

• Collaborating with other IT p...read more
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Q1. As we selected us how to mange surveillance in our project
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