Juniper Networks Interview Questions, Process, and Tips

Q1. System design around scalable design
Ans. 
Scalable system design involves creating a system that can handle increased load and growth over time.
• Use microservices architecture to break down the system into smaller, independent services

• Implement load balancing to distribute traffic evenly across servers

• Utilize caching mechanisms to reduce the load on the database

• Design for horizontal scalability by adding more servers to handle increased load

• Consider using cloud
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Test proper coding style, logic along with boundary checks

Q1. I had 4 rounds of interview
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Q2. General Accounting Standards
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Q1. They had asked in depth technical questions
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Q1. This was technical plus general round
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Q1. This was a friendly interview stage
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Q1. Check if a binary tree is BST?
Ans. 
Check if a binary tree is a Binary Search Tree (BST) by validating the inorder traversal.
• Perform an inorder traversal of the binary tree and store the elements in a list.

• Check if the list is sorted in ascending order. If yes, then the binary tree is a BST.

• Ensure that there are no duplicate elements in the binary tree.
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Q2. Question: Modified version of flatten linked list (-----.geeksforgeeks.org/flattening-a-linked-list/amp/). The variation is that the nodes in second and third levels also have next nodes.
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Q3. Convert the linked list 1,2,3,4,5,6,Null into 1,6,2,5,3,4,Null
Ans. 
Reorder a linked list by alternating between the first and last elements
• Create two pointers, one at the beginning and one at the end of the linked list

• Iterate through the linked list, moving the first pointer to the next node and the second pointer to the previous node

• Adjust the pointers to reorder the linked list by alternating between the first and last elements
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Normal dsa Basics and aptitude.

Q1. Give the elements of an array that sum up to given number.
Ans. 
Find elements in array that sum up to given number
• Use a nested loop to iterate through each pair of elements in the array

• Check if the sum of the pair equals the given number

• Return the pair of elements if found, otherwise continue iterating
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Q2. Binary search using recursion.
Ans. 
Binary search is a search algorithm that finds the position of a target value within a sorted array.
• Divide the array into two halves and compare the target value with the middle element.

• If the target value is equal to the middle element, return the index.

• If the target value is less than the middle element, recursively search the left half.

• If the target value is greater than the middle element, recursively search the ri
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Q1. Why should we hire you?
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Q2. Why are you interested to join juniper?
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Easy to crack the interview DSA

Q1. Discussion on the past experience. Question on technical aspects of supply chain, like EOQ, MOQ, reorder point, safety stock, etc.
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Q2. Explain previous experience, and tools used.
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Q1. How do you rate yourself
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Q2. What is your biggest achievement?
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Q3. Where did you fail ?
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