Cisco Interview Questions, Process, and Tips

It contained networking questions

Q1. What is 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.
• Router operates at the network layer of the OSI model

• Switch operates at the data link layer of the OSI model

• Router connects multiple networks together

• Switch connects devices within the same network

• Router uses IP addresses to route traffic

• Switch uses MAC addre
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Q2. How is routing done
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, BGP, and EIGRP are used to exchange routing information between routers.

• Static routin...read more
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Questions from trains, water taps

Min letters to delete to make a string palindrome

It was a 2 hour test with medium level questions

Q1. Mostly asked about CN
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Q2. Small Linked list question
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40 MCQ's, 2 Coding question

Q1. Dijkastra's Algorithm
Ans. 
Dijkstra's Algorithm is a graph search algorithm that finds the shortest path between nodes in a graph.
• Dijkstra's Algorithm is used to find the shortest path from a starting node to all other nodes in a weighted graph.

• It works by maintaining a set of nodes whose shortest distance from the starting node is known.

• The algorithm iteratively selects the node with the smallest distance and updates the distances of its neighb...read more
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Q2. Snake and Ladder
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Q1. Largest subsequence
Ans. 
Find the largest subsequence in an array of strings
• Iterate through the array of strings and compare the length of each subsequence

• Keep track of the longest subsequence found so far

• Return the longest subsequence
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