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10+ Sify Technologies Field Engineer Interview Questions and Answers

Updated 18 Jan 2025

Q1. What is switch login and configuration

Ans.

Switch login and configuration involves accessing a switch's management interface to make changes to its settings.

  • Switch login is the process of accessing a switch's management interface using a username and password.

  • Configuration involves making changes to the switch's settings such as VLANs, port configurations, and security settings.

  • Common protocols used for switch login and configuration include SSH, Telnet, and web-based interfaces.

  • It is important to secure switch login ...read more

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Q2. Which process confirm Part faulty

Ans.

Testing processes like visual inspection, functional testing, and diagnostic testing can confirm a faulty part.

  • Visual inspection for physical damage or defects

  • Functional testing to check if the part is working as intended

  • Diagnostic testing to identify specific issues or faults

  • Using specialized tools like multimeters or oscilloscopes

  • Consulting technical documentation for troubleshooting steps

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Q3. How many types modem What is local lead

Ans.

There are several types of modems including cable, DSL, fiber, and satellite modems. Local lead refers to a person who is in charge of managing a team or project in a specific geographic area.

  • Types of modems include cable, DSL, fiber, and satellite modems

  • Local lead is a person responsible for managing a team or project in a specific geographic area

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Q4. What is router installation

Ans.

Router installation involves setting up a router device to establish a network connection.

  • Physically connect the router to the modem using an Ethernet cable

  • Access the router's settings through a web browser

  • Configure the network settings such as SSID, password, and security protocols

  • Test the connection to ensure proper functionality

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Q5. What is router troubleshooting

Ans.

Router troubleshooting involves identifying and resolving issues with network routers.

  • Identifying connectivity issues

  • Checking router configurations

  • Updating firmware or software

  • Resetting the router

  • Checking for physical damage

  • Analyzing network traffic

  • Testing network cables

  • Checking for interference from other devices

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Q6. Network problem resolved process

Ans.

Network problem resolution involves identifying, troubleshooting, and fixing issues to restore network functionality.

  • Identify the problem by gathering information from users and network devices

  • Troubleshoot the issue by checking network configurations, cables, and devices

  • Fix the problem by applying solutions such as restarting devices or reconfiguring settings

  • Test the network to ensure the problem is resolved and functionality is restored

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Q7. How many types modem

Ans.

There are two main types of modems: dial-up modems and broadband modems.

  • Dial-up modems use a phone line to connect to the internet at slower speeds.

  • Broadband modems use cable, DSL, fiber optic, or satellite connections for faster internet speeds.

  • Examples include DSL modems, cable modems, and fiber optic modems.

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Q8. What is bgp protocol

Ans.

BGP (Border Gateway Protocol) is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems on the internet.

  • BGP is used to make routing decisions based on network policies, rules, and attributes.

  • It is a path vector protocol that uses TCP as its transport protocol.

  • BGP routers exchange routing information by advertising routes to their neighbors.

  • BGP is commonly used by Internet Service Providers (ISPs) to connect their net...read more

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Q9. What is bgp types

Ans.

BGP (Border Gateway Protocol) types refer to different categories of BGP messages exchanged between routers.

  • BGP Update messages - used to advertise routing information between BGP routers

  • BGP Open messages - used to establish a BGP session between routers

  • BGP Keepalive messages - used to maintain the BGP session by confirming connectivity

  • BGP Notification messages - used to report errors or terminate the BGP session

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Q10. What is bgp state

Ans.

BGP state refers to the current status of a BGP session between two routers.

  • BGP state can be in one of several states such as Idle, Connect, OpenSent, OpenConfirm, Established.

  • The Established state indicates that the BGP session is fully established and routing information can be exchanged.

  • The Idle state means that the BGP session is not active and no routing information is being exchanged.

  • The Connect state indicates that the router is attempting to establish a TCP connection...read more

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Q11. Type of routers

Ans.

Routers are networking devices that forward data packets between computer networks.

  • Routers operate at the network layer of the OSI model

  • They use IP addresses to determine the best path for data packets

  • Examples include Cisco, Juniper, and TP-Link routers

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