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Juniper Networks Interview Questions and Answers for Experienced
23 Interview questions
Purge in manufacturing refers to the process of cleaning equipment to remove residual materials before production.
Purge ensures product quality by eliminating contamination from previous batches.
In plastic manufacturing, purging involves using a cleaning compound to clear out old resin.
In food processing, purging may involve flushing equipment with water or cleaning agents to prevent cross-contamination.
Purge cycl...
Yes, I have knowledge of electronics manufacturing processes, quality control, and industry standards.
Familiar with PCB assembly processes, including surface mount technology (SMT) and through-hole soldering.
Experience in quality assurance methodologies like Six Sigma and ISO 9001.
Knowledge of testing procedures for electronic components, such as functional testing and environmental stress testing.
Understanding of...
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.
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
Flatten a multi-level linked list where nodes have next pointers at all levels.
Each node has a value, a next pointer, and a child pointer to another linked list.
The goal is to flatten the list into a single-level linked list.
Example: Given 1 -> 2 -> 3, where 2 has a child 4 -> 5, the result should be 1 -> 2 -> 4 -> 5 -> 3.
Use a stack to traverse and flatten the list iteratively or recursively.
Polymorphism in SystemVerilog allows methods to be overridden, enabling dynamic method resolution at runtime.
Polymorphism enables a single interface to represent different underlying forms (data types).
In SystemVerilog, polymorphism is achieved through class inheritance and method overriding.
Example: A base class 'Animal' with a method 'speak()' can be overridden in derived classes 'Dog' and 'Cat'.
Dynamic polymorp...
UVM monitors capture and analyze transactions in verification environments, ensuring correct behavior of DUT.
Monitors are passive components that observe signals and transactions without affecting the DUT.
They collect data and generate reports for analysis, helping to identify issues in the design.
Example: A monitor can track bus transactions and check for protocol compliance.
Monitors can be connected to sequences...
Asymmetric routing in a network can lead to issues such as packet loss, out-of-order delivery, and inefficient use of network resources.
Packet loss: When packets take different paths to reach their destination, some packets may get lost or dropped along the way.
Out-of-order delivery: Asymmetric routing can cause packets to arrive at the destination out of order, leading to delays in data transmission.
Inefficient u...
Writing code on notepad instead of an IDE
Ensure proper indentation and formatting
Use comments to explain code
Compile and test code manually
Save frequently to avoid losing work
A circular queue efficiently utilizes space by connecting the end of the queue back to the front, allowing for continuous operations.
Circular queues use a fixed-size array to store elements, wrapping around when the end is reached.
They maintain two pointers: front (dequeue) and rear (enqueue) to track the positions.
When the rear pointer reaches the end of the array, it wraps around to the beginning if there's spac...
Juniper Networks Interview Experiences for Experienced
26 interviews found
Anonymous
Selected
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. What is purge in manufacturing?
- Ans.
Purge in manufacturing refers to the process of cleaning equipment to remove residual materials before production.
Purge ensures product quality by eliminating contamination from previous batches.
In plastic manufacturing, purging involves using a cleaning compound to clear out old resin.
In food processing, purging may involve flushing equipment with water or cleaning agents to prevent cross-contamination.
Purge cycles ar...
- Q2. Do you know about electronics manufacturing?
- Ans.
Yes, I have knowledge of electronics manufacturing processes, quality control, and industry standards.
Familiar with PCB assembly processes, including surface mount technology (SMT) and through-hole soldering.
Experience in quality assurance methodologies like Six Sigma and ISO 9001.
Knowledge of testing procedures for electronic components, such as functional testing and environmental stress testing.
Understanding of supp...
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. Packet flow inter subnet and intra subnet
- Q2. Rsvp, bgp, ospf deep dive packet
I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.
(3 Questions)
- 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.
- 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.
- Ans.
Flatten a multi-level linked list where nodes have next pointers at all levels.
Each node has a value, a next pointer, and a child pointer to another linked list.
The goal is to flatten the list into a single-level linked list.
Example: Given 1 -> 2 -> 3, where 2 has a child 4 -> 5, the result should be 1 -> 2 -> 4 -> 5 -> 3.
Use a stack to traverse and flatten the list iteratively or recursively.
- 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
Interview Preparation Tips
Skills evaluated in this interview
amrit pratyay
Selected
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
Easy to crack the interview DSA
subramanyam kailash
(2 Questions)
- Q1. Asymmetric routing and issues due to asymmetric routing
- Ans.
Asymmetric routing occurs when data packets take different paths to reach their destination, leading to potential issues such as packet loss or out-of-order delivery.
Asymmetric routing can occur in networks with multiple paths between source and destination.
Issues with asymmetric routing include packet loss, out-of-order delivery, and potential security vulnerabilities.
Examples of solutions to mitigate asymmetric routi...
- Q2. Blackhole issues with firewalls in the middle and slowness issues forward traffic via mpls and return traffic via internet.
- Ans.
Blackhole issues with firewalls can cause slowness in forwarding traffic via MPLS and returning traffic via internet.
Check firewall configurations to ensure proper routing of traffic
Investigate blackhole issues to identify any dropped packets
Consider implementing Quality of Service (QoS) policies to prioritize MPLS traffic
Monitor network performance to detect any bottlenecks causing slowness
(1 Question)
- Q1. What are issues caused due to asymmetric routing in a network.
- Ans.
Asymmetric routing in a network can lead to issues such as packet loss, out-of-order delivery, and inefficient use of network resources.
Packet loss: When packets take different paths to reach their destination, some packets may get lost or dropped along the way.
Out-of-order delivery: Asymmetric routing can cause packets to arrive at the destination out of order, leading to delays in data transmission.
Inefficient use of...
Interview Preparation Tips
Skills evaluated in this interview
Selected
(1 Question)
- Q1. General concept on basic accounting
(1 Question)
- Q1. In detail accounting concept end to end
(1 Question)
- Q1. Next level account concepts in detail
- Ans.
Next level account concepts involve advanced financial analysis, forecasting, budgeting, and strategic planning.
Advanced financial analysis includes ratio analysis, trend analysis, and variance analysis.
Forecasting involves predicting future financial performance based on historical data and market trends.
Budgeting requires creating detailed financial plans for revenue and expenses.
Strategic planning involves aligning ...
(2 Questions)
- Q1. Understanding standing to attitude and other general things
- Q2. Understanding your behaviour
(1 Question)
- Q1. SV questions on polymorphism
- Ans.
Polymorphism in SystemVerilog allows methods to be overridden, enabling dynamic method resolution at runtime.
Polymorphism enables a single interface to represent different underlying forms (data types).
In SystemVerilog, polymorphism is achieved through class inheritance and method overriding.
Example: A base class 'Animal' with a method 'speak()' can be overridden in derived classes 'Dog' and 'Cat'.
Dynamic polymorphism ...
(1 Question)
- Q1. Uvm questions on monitor sequence
- Ans.
UVM monitors capture and analyze transactions in verification environments, ensuring correct behavior of DUT.
Monitors are passive components that observe signals and transactions without affecting the DUT.
They collect data and generate reports for analysis, helping to identify issues in the design.
Example: A monitor can track bus transactions and check for protocol compliance.
Monitors can be connected to sequences to g...
Arrays , Linked Lists , Trees
(1 Question)
- Q1. Project related and system design
Selected
I appeared for an interview in Mar 2023.
(2 Questions)
- Q1. 4 round of Discussions was around six sigma black belt skill, analytical skills, employee attrition risk, projects and approach for each project etc.
- Q2. HR round was around work history, culture fit into the company etc
Selected
I applied via Approached by Company and was interviewed before Sep 2022. There were 2 interview rounds.
(5 Questions)
- Q1. In-dept BGP protocol.
- Ans.
BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between autonomous systems on the internet.
BGP is an exterior gateway protocol (EGP) that operates on TCP port 179.
It is used to establish and maintain routing information among routers in different autonomous systems (ASes).
BGP uses a path-vector algorithm to determine the best path for routing traffic.
It supports both IPv4 and IP...
- Q2. Automation framework you worked on. How that help overall business unit.
- Ans.
The automation framework I worked on improved efficiency and productivity in the business unit.
The automation framework reduced manual effort by automating repetitive tasks.
It improved the accuracy and reliability of the software development process.
The framework enabled faster testing and deployment of software updates.
It facilitated better collaboration and communication among team members.
The automation framework he...
- Q3. General management Puzzle. Egg and 100 story building.
- Q4. About your past experience learning.
- Q5. What skills you brought to deliver role and responsibilities.
- Ans.
I bring a strong technical skillset and experience in software development to effectively fulfill the role and responsibilities of a Software Engineer Staff.
Proficient in multiple programming languages such as Java, C++, and Python.
Extensive knowledge of software development methodologies and best practices.
Strong problem-solving and analytical skills to identify and resolve complex technical issues.
Experience in desig...
Interview Preparation Tips
- Bgp
- MPLS Network
- OSPF
- IPSEC VPN
- Automation
Try some Puzzle in python and general management.
Skills evaluated in this interview
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Juniper Networks Interview FAQs
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