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I applied via Naukri.com and was interviewed before Nov 2021. There were 3 interview rounds.
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I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
I appeared for an interview before Jan 2024.
A VLAN is a virtual LAN that allows for the segmentation of network traffic to improve performance, security, and manageability.
VLANs divide a physical network into multiple logical networks, each with its own broadcast domain.
Devices within the same VLAN can communicate with each other as if they were connected to the same physical network.
VLANs can be configured to isolate sensitive data or specific types of traffic ...
HSRP stands for Hot Standby Router Protocol, used for providing high availability in a network by allowing two or more routers to work together in a group.
HSRP is a Cisco proprietary protocol used for redundancy in a network.
It allows multiple routers to work together in a group, with one router being the active router and the others as standby routers.
If the active router fails, one of the standby routers takes over a...
I applied via Referral and was interviewed before Dec 2021. There was 1 interview round.
OSPF is a link-state routing protocol that uses Dijkstra's algorithm to calculate the shortest path to a destination network.
OSPF routers exchange link-state advertisements (LSAs) to build a complete topology of the network.
Each router calculates the shortest path to every network using Dijkstra's algorithm.
OSPF uses cost as its metric, which is based on the bandwidth of the link.
OSPF supports multiple areas, which red...
BGP is a routing protocol used to exchange routing information between different autonomous systems.
BGP uses TCP as its transport protocol.
It operates on a hop-by-hop basis, meaning that it only exchanges routing information with its directly connected neighbors.
BGP uses path attributes to determine the best path for a given destination.
BGP can be used for both IPv4 and IPv6 routing.
BGP is commonly used by Internet Ser...
Copper twisted pair can be checked using a cable tester to ensure proper connectivity and identify any faults.
Use a cable tester to check for continuity and proper wiring
Check for any faults such as shorts, opens, or miswires
Verify that the cable meets the required specifications for the network
Perform a loopback test to ensure that data can be transmitted and received properly
Identifying leased line modem fault
Check if the modem is powered on and all cables are properly connected
Check the modem's status lights for any abnormalities
Perform loopback tests to check for connectivity issues
Check the modem's configuration settings
Replace the modem if all other troubleshooting steps fail
To find the reliability of a link on Cisco routers, use the show interface command.
Log in to the Cisco router using the console or Telnet/SSH.
Enter the command 'show interface' to display the status of all interfaces on the router.
Look for the 'input errors' and 'output errors' fields to determine the reliability of the link.
If there are a high number of errors, the link may be unreliable and require troubleshooting.
Ot...
I applied via Naukri.com and was interviewed before Nov 2020. There were 3 interview rounds.
I handled an average of 20-25 calls tickets per day and took around 30-45 minutes to solve each ticket.
Handled 20-25 calls tickets per day
Took 30-45 minutes to solve each ticket
Prioritized urgent tickets first
Collaborated with team members to solve complex tickets
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