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10+ Web Smile Interview Questions and Answers

Updated 9 Jan 2025
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Q1. What is difference IPv4 and IPV6

Ans.

IPv6 is the successor to IPv4, with larger address space, improved security, and better support for mobile devices.

  • IPv4 uses 32-bit addresses, while IPv6 uses 128-bit addresses

  • IPv6 has a hierarchical addressing structure, allowing for more efficient routing

  • IPv6 includes built-in security features, such as IPsec

  • IPv6 has better support for mobile devices, with features like mobile IP and flow labeling

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Q2. What is Vlan What is difference between Ebgp and Ibgp Ospf detail Ad value of routing protocols Port numbers How many vlan we creat total??

Ans.

VLAN is a virtual LAN that divides a physical network into multiple logical networks. EBGP and IBGP are different types of BGP routing protocols. OSPF is a link-state routing protocol.

  • VLAN stands for Virtual Local Area Network and is used to segment a network into multiple smaller networks for better traffic management.

  • EBGP (External BGP) is used between different autonomous systems, while IBGP (Internal BGP) is used within the same autonomous system.

  • OSPF (Open Shortest Path ...read more

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Q3. What is MPLS What is DNS What is Subnetting

Ans.

MPLS is a protocol used for efficient data transfer. DNS is a system that translates domain names to IP addresses. Subnetting is dividing a network into smaller subnetworks.

  • MPLS stands for Multiprotocol Label Switching and is used to route network traffic efficiently.

  • DNS stands for Domain Name System and is used to translate domain names to IP addresses.

  • Subnetting is the process of dividing a network into smaller subnetworks to improve network performance and security.

  • MPLS is...read more

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Q4. Vlan Ebgp Ibgp difference Ad value of Bgp SSH PORT NUMBER TELNET PORT NUMBER OSPF DETAIL TOTAL VLAN??

Ans.

Answers to various networking questions related to VLANs, BGP, SSH, Telnet, and OSPF.

  • VLANs are used to segment a network into separate broadcast domains.

  • EBGP (External BGP) is used between different AS (Autonomous Systems), while IBGP (Internal BGP) is used within the same AS.

  • BGP uses the 'AD value' (Administrative Distance) to determine the best path to a destination.

  • SSH (Secure Shell) uses port number 22 for secure remote access.

  • Telnet uses port number 23 for unencrypted re...read more

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Q5. BGP attributes and what is route reflect

Ans.

BGP attributes and route reflect

  • BGP attributes are used to determine the best path for routing traffic

  • Attributes include AS path, next hop, local preference, and more

  • Route reflect is a BGP feature that allows for efficient route distribution in large networks

  • It reduces the number of BGP peerings required by reflecting routes from one set of routers to another

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Q6. basics of your domain what is a diode?

Ans.

A diode is an electronic component that allows current to flow in only one direction.

  • It has two terminals, an anode and a cathode.

  • It is commonly used in rectifiers to convert AC to DC.

  • It can also be used as a voltage regulator or a signal modulator.

  • Examples include the 1N4148 and the 1N4001 diodes.

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Q7. What is DNS, and how does it work?

Ans.

DNS stands for Domain Name System, it translates domain names to IP addresses.

  • DNS is like a phone book for the internet, translating domain names (like google.com) to IP addresses (like 172.217.3.206).

  • DNS works by sending queries to a series of servers, starting with the local DNS resolver and moving up to authoritative DNS servers.

  • DNS uses a hierarchical system with multiple levels of servers, including root servers, top-level domain servers, and authoritative servers.

  • DNS ca...read more

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Q8. Difiranse router & switch

Ans.

A router is a networking device that forwards data packets between computer networks, while a switch is a networking device that connects devices within a network.

  • Routers operate at the network layer (Layer 3) of the OSI model, while switches operate at the data link layer (Layer 2).

  • Routers use IP addresses to route traffic between different networks, while switches use MAC addresses to forward data within a network.

  • Routers can connect multiple networks together, while switch...read more

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Q9. What is bgp and ad vlaue

Ans.

BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between different autonomous systems.

  • BGP is an exterior gateway protocol used in large-scale networks.

  • It allows routers in different autonomous systems to communicate and exchange routing information.

  • BGP uses path vector routing, which takes into account multiple factors to determine the best path for data transmission.

  • BGP assigns an administrative distance (AD) value to each route, which...read more

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Q10. What is switch congratulations

Ans.

Switch congestion occurs when a network switch is overwhelmed with traffic, leading to delays or dropped packets.

  • Switch congestion can occur when there is a high volume of data being transmitted through the switch

  • It can lead to delays in data transmission or even dropped packets

  • Switch congestion can be alleviated by implementing Quality of Service (QoS) policies or upgrading to higher capacity switches

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Q11. Modem type in

Ans.

Modem type in refers to the process of configuring a modem to connect to a network.

  • Modem type in involves setting up the modem to establish a connection with a network.

  • It includes configuring the modem's settings such as IP address, subnet mask, and default gateway.

  • Examples of modem types include DSL modems, cable modems, and wireless modems.

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Q12. What is ospf and area

Ans.

OSPF (Open Shortest Path First) is a routing protocol used in computer networks to determine the best path for data packets to travel.

  • OSPF is an interior gateway protocol (IGP) used within a single autonomous system (AS).

  • It uses the link-state routing algorithm to calculate the shortest path between routers.

  • OSPF divides the network into areas to improve scalability and reduce routing overhead.

  • Each area has its own link-state database and routers within an area have the same a...read more

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Q13. OSPF Areas and their characteristics

Ans.

OSPF areas are used to divide a network into smaller segments for better routing efficiency and scalability.

  • OSPF areas are logical groupings of routers and networks within an OSPF autonomous system.

  • Each area has its own Area ID, which is a 32-bit number used to identify the area.

  • Area 0 is known as the backbone area and must be present in every OSPF network.

  • Areas other than Area 0 are called non-backbone areas.

  • OSPF routers within the same area have full routing information abo...read more

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Q14. What is wireless

Ans.

Wireless refers to the transmission of data without the use of physical cables or wires.

  • Wireless technology uses radio waves to transmit data over a network.

  • Examples of wireless technology include Wi-Fi, Bluetooth, and cellular networks.

  • Wireless networks are convenient for mobile devices and allow for greater flexibility in connectivity.

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Q15. Wireless device configuration

Ans.

Wireless device configuration involves setting up and managing wireless networks for optimal performance.

  • Understand the network requirements and goals

  • Select appropriate wireless devices and access points

  • Configure SSIDs, security settings, and encryption protocols

  • Optimize placement of access points for coverage and performance

  • Monitor and troubleshoot network performance

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Q16. Daily routine of duty

Ans.

Daily routine involves monitoring network performance, troubleshooting issues, implementing upgrades, and collaborating with team members.

  • Monitor network performance and security

  • Troubleshoot network issues

  • Implement network upgrades and configurations

  • Collaborate with team members on projects and tasks

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Q17. what is osi model

Ans.

The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.

  • The OSI model stands for Open Systems Interconnection model

  • It helps in understanding how different networking protocols work together

  • The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application

  • Each layer has specific functions and communicates with adjacent layers

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Q18. Explain WAN LAN

Ans.

WAN stands for Wide Area Network and LAN stands for Local Area Network. WAN connects multiple LANs over a large geographical area.

  • WAN covers a large geographical area, such as a city, country, or even globally

  • LAN covers a smaller area, like a single building or campus

  • WAN uses public or private networks to connect LANs

  • LAN typically uses Ethernet or Wi-Fi for connectivity

  • Examples: WAN - Internet, LAN - Home network

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Interview Process at Web Smile

based on 26 interviews
4 Interview rounds
Resume Shortlist Round
Technical Round
HR Round - 1
HR Round - 2
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