Adding Cisco System Questions

Cisco/Readme.md

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+## Cisco Systems Interview Questions
+
+* [Online Test: Coding Round Questions](#coding)
+* [Round 1: Technical Interview Questions](#tech)
+* [Round 2: Technical + Managerial Interview Questions](#TechAndManage)
+* [Round 3 : HR Questions ](#hr)
+____
+<b name="coding">Coding round questions</b><br/>
+- https://leetcode.com/problems/expressive-words/description/
+- A string of numbers in random order is given and you have to print them in decimal format in strictly decreasing order.
+- https://practice.geeksforgeeks.org/problems/does-array-represent-heap/0
+- https://practice.geeksforgeeks.org/problems/kth-largest-element-in-a-stream/0
+- https://www.geeksforgeeks.org/permutations-of-a-given-string-using-stl/
+
+
+
+
+----
+<b name="tech">Technical Interview Questions</b>
+- Explain Dining Philosopher problem and how should you prevent deadlock?
+- Deadlock prevention
+- Priority Inversion
+- OSI Layers
+- Working of Data link layer.
+- Some questions on my projects.
+- DSA questions
+- Middle of the linked list
+- Given a sorted array that consists of positive and negative values. find a number of pairs having a sum equal to k.
+- TCP, UDP. Differences. How did you implement 3-way handshake
+- Handling multiple clients in a chat system
+- FTP protocol implementation and all
+- DHCP protocol
+- Difference b/w final and finally in java
+- Max profit in job scheduling. Just logic, no code, and solution for a small input
+- OS questions like, preemptive and non-preemptive scheduling
+- Asked me about OS Project which I kept in my resume
+- Asked me about threads, synchronization ( JAVA )
+- Sorting algo, which would take least Time complexity and their implementation and real-world examples.
+- https://practice.geeksforgeeks.org/problems/reverse-level-order-traversal/1
+- https://practice.geeksforgeeks.org/problems/zigzag-tree-traversal/1
+- https://practice.geeksforgeeks.org/problems/level-order-traversal/1
+
+
+----
+
+
+<b name="TechAndManage">Technical + Managerial Interview Questions</b>
+- You have created a server and you have to check if 3 million phones use that server so is it able to handle that load or not? Ans: I have used docker in my projects the solution to this problem is by creating containers using docker.
+- Implement binary search in three lines.
+- Where you will see yourself after 3 years?
+- How do you influence people?
+- Failures? Learning from failure.
+- Make a sorted linked list into a balanced tree. I started from brute force to optimization. Gave him 3 answers
+- Internship experience
+- Explain the projects you did
+- write functions to connect any two nodes of the graph, and also another function to check if 2 nodes are directly or indirectly(transitively) connected.
+
+
+----
+
+<b name="hr">HR Questions</b>
+
+- Are you ok with relocation?
+- Questions on the role. 
+- Questions on products of Cisco. 
+- Which role  do you think  you  are most suitable for?
+- Why cisco ?
+
+