Cisco
Proud winner of ABECA 2024 - AmbitionBox Employee Choice Awards
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I was interviewed in Aug 2024.
Code-with-cisco having coding questions and mcq
Different scheduling algorithms in OS determine how tasks are prioritized and executed.
First-Come, First-Served (FCFS)
Shortest Job Next (SJN)
Round Robin (RR)
Priority Scheduling
Multi-Level Queue Scheduling
Contact dictionary can be implemented using hash table for fast lookups with O(1) time complexity.
Use a hash table to store contacts with keys as names and values as contact information.
Example: { 'John Doe': '555-1234', 'Jane Smith': '555-5678' }
Time complexity for searching, inserting, and deleting contacts is O(1) with a hash table.
Cisco is a multinational technology conglomerate known for networking hardware, software, and services.
Cisco is a leading provider of networking equipment and solutions.
They offer a wide range of products including routers, switches, and security devices.
Cisco also provides software solutions for network management and security.
The company offers services such as consulting, technical support, and training.
Cisco is kno...
I was interviewed in Jan 2025.
Online test was hackerrank was was og avg difficulty
Assignment was straightforward which could be done using trie. Did it in 1/6th throughout time for given queries then mentioned allowed still no reply. Keep on asking engineering manager and hr to which they replied not upto the mark.
Easy problem on java
I applied via LinkedIn and was interviewed in Sep 2020. There was 1 interview round.
I applied via Recruitment Consulltant
A mutex is a synchronization primitive that ensures only one thread can access a resource at a time.
Create a mutex object using the appropriate library or language-specific function.
Lock the mutex before accessing the shared resource to prevent other threads from accessing it.
Unlock the mutex after finishing the operation on the shared resource to allow other threads to access it.
Example: pthread_mutex_t mutex; pthread...
Identify memory leak in code
Check for any dynamically allocated memory that is not being freed
Look for any infinite loops or recursive functions that consume memory
Use memory profiling tools like Valgrind to detect leaks
Check for any global variables that are not properly managed
I was interviewed before Mar 2021.
To check if a number is a power of 2, we can use bitwise operations.
A power of 2 has only one bit set to 1, so we can use the bitwise AND operator to check if the number is a power of 2.
If n is a power of 2, then n & (n-1) will be 0.
For example, 8 (1000 in binary) is a power of 2, and 8 & 7 (0111 in binary) is 0.
Sort a stack without using another data structure
Use recursion to pop the top element and insert it at the bottom of the remaining stack
Repeat until the stack is sorted in ascending order
Time complexity: O(n^2), space complexity: O(n) due to recursion
Check if array has continuous increasing and decreasing values
Loop through the array and check if each element is greater than the previous one
Once you find the maximum element, check if the remaining elements are in decreasing order
If yes, return true else false
Design a cricinfo (LLD)
Identify the entities: players, teams, matches, scorecards, tournaments, etc.
Define the relationships between entities
Create a database schema to store the data
Implement APIs to fetch and update data
Design a UI to display the information
Consider scalability and performance
Ensure data security and privacy
I applied via Company Website and was interviewed in May 2022. There were 2 interview rounds.
Logical reasoning And aptitude test
C++, python and Java programming
posted on 6 Oct 2024
I applied via Referral and was interviewed in Jul 2022. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Nov 2020. There was 1 interview round.
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