Cisco Software Engineer Interview Questions, Process, and Tips

Q1. Python questions
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Q2. Sorting of array
Ans. 
Sorting an array of strings in alphabetical order
• Use a sorting algorithm like quicksort or mergesort

• Ensure the sorting is case-insensitive if needed

• Consider using built-in sorting functions in programming languages like sort() in Python
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Q1. JS interview: What is event bubble and capture?
Ans. 
Event bubble and capture are two ways of propagating events in the DOM tree.
• Event bubble is the default behavior where an event is first captured by the innermost element and then propagated to the outer elements.

• Event capture is the opposite of event bubble where an event is first captured by the outermost element and then propagated to the inner elements.

• Both event bubble and capture can be used together to handle ev...read more
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Q2. JS Interview: How async works in javascript given that it is single threaded?
Ans. 
Async in JS allows non-blocking code execution despite being single-threaded.
• JS uses event loop to handle async operations

• Callbacks, Promises, and Async/Await are used for async programming

• setTimeout() and setInterval() are examples of async functions

• JS runtime delegates async tasks to the browser or Node.js environment

• Async code can improve performance and user experience
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Round duration - 60 Minutes
Round difficulty - Hard

It included 36 mcqs covering questions in DBMS, OS, Networking etc and 1 coding question which i felt was a little tough (it was some thing mix of matrix traversal and DP combined).

Q1. 
Find Row With Maximum 1's in a Sorted 2D Matrix
You are provided with a 2D matrix containing only the integers 0 or 1. The matrix has dimensions N x M, and each row is sorted in non-decreasing order. Your...read more
Ans. 
Find the row with the maximum number of 1's in a sorted 2D matrix.
• Iterate through each row of the matrix and count the number of 1's in each row.

• Keep track of the row index with the maximum number of 1's seen so far.

• Return the index of the row with the maximum number of 1's.

• If multiple rows have the same number of 1's, return the row with the smallest index.
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Round duration - 60 Minutes
Round difficulty - Medium

Interviewer asked me a DSA based question and then she asked me questions on ReactJS, Mongo queries, MySQL queries etc

Q1. 
Next Greater Element Problem Statement
You are given an array arr of length N. For each element in the array, find the next greater element (NGE) that appears to the right. If there is no such greater ele...read more
Ans. 
The task is to find the next greater element for each element in an array to its right, if no greater element exists, return -1.
• Use a stack to keep track of elements for which the next greater element is not found yet.

• Iterate through the array from right to left and update the stack accordingly.

• Pop elements from the stack until a greater element is found or the stack is empty.
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Round duration - 60 Minutes
Round difficulty - Easy

It was managerial round, i was asked questions on everything that i have included in my resume

Q1. 
Pattern Matching Problem Statement
Given a pattern as a string and a set of words, determine if the pattern and the words list align in the same sequence.
Input:
T (number of test cases)
For each test ca...read more
Ans. 
The problem involves determining if a given pattern aligns with a list of words in the same sequence.
• Iterate through the pattern and words list simultaneously to check for alignment

• Use a hashmap to store the mapping between characters in the pattern and words in the list

• Compare the mappings to determine if the sequence matches

• Return 'True' if the sequence matches, otherwise return 'False'
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Q1. What is your weakness?
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Q2. Tell me about yourself
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1 Hour, Data structure,Cryptography, Block Chain,

Q1. Life lesson from game of Cricket
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Networks question more, aptitude more,less os questions. Some are easy and medium

One coding question practice questions ha ker platform.medium level