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Juniper Networks interview experience Real time questions & tips from candidates to crack your interview

SDE - 1

Juniper Networks
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6 rounds | 7 Coding problems

Interview preparation journey

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Preparation
Duration: 3 month
Topics: Data Structures, Oops, c programming, tree, operating system, computer networks, bit masking, hashing
Tip
Tip

Tip 1 : Practice Dsa problem from topics like tree, Linkedlist, bit masking, Hasing. 
Tip 2 : Understand topics like ipc, semaphores, Deadlock, osi model, tcp/ip protocol, routing protocol
Tip 3 : must have good understanding of memory management as well.

Application process
Where: Other
Eligibility: No criteria
Resume Tip
Resume tip

Tip 1 : prepare your resume based on the job description. 
Tip 2 : Put major projects with attractive and short description. Remove unwanted thing from resume. You can put the rank of coding contests.

Interview rounds

01
Round
Medium
Online Coding Interview
Duration90 Minutes
Interview date3 Sep 2021
Coding problem1

Test started around 5 pm. 3 coding questions were there.

1. Program to validate IP address

Easy
15m average time
85% success
0/40
Asked in companies
OlaAmazonPhone Pe

You are given the text ‘IPAddress’. Your task is to check if the given text ‘IPAddress’ is a valid ‘IPv4’ or not.

Conditions for a valid ‘IPv4’ are:

View more
Problem approach

Used bit manipulation approach to identify whether the given string is a valid ip address or not. 
The condition was if 1 ia coming at any point after 0 then it is not a valid ip addeess

Try solving now
02
Round
Medium
Online Coding Test
Duration50 Minutes
Interview date13 Sep 2021
Coding problem2

Asked questions related to operating system. Also aksed two coding question

1. OS Question

Asked question from fork system call.

Problem approach

Tip 1 : fork system call used to create a child process of the current process

2. Tree Traversals

Easy
15m average time
85% success
0/40
Asked in companies
CiscoHikeOptum

You have been given a Binary Tree of 'N'

nodes, where the nodes have integer values.


Your task is to return the ln-Order, Pre-Order, and Post-Order traversals of the given binary tree....

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Problem approach

I used the recursion approach to solve this problem.

Try solving now
03
Round
Medium
Online Coding Test
Duration45 minutes
Interview date13 Sep 2021
Coding problem1

Asked question related to linked list and some theory question from transport layer

1. Cycle Detection in a Singly Linked List

Moderate
15m average time
80% success
0/80
Asked in companies
Goldman SachsInformaticaMicrosoft

You are given a Singly Linked List of integers. Return true if it has a cycle, else return false.


A cycle occurs when a node's next points back to a previous node in the list.

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Problem approach

Tried two pointer approach to identify loop. I

Try solving now
04
Round
Medium
Online Coding Test
Duration60 minutes
Interview date15 Sep 2021
Coding problem1

Question were aksed from routing protocol. And 1 coding question.

1. Networking Question

Routing protocol. How link state routing and distance vector routing works.

05
Round
Easy
Video Call
Duration30 minutes
Interview date4 Oct 2021
Coding problem1

1. Technical Question

Questions were from my project related to gene-gene network analysis

Problem approach

Tip 1 : Should have good knowledge about the projects. 

06
Round
Easy
HR Round
Duration15 minutes
Interview date8 Oct 2021
Coding problem1

1. Basic HR Questions

Are you comfortable to Bangalore location.
Expected ctc.

Problem approach

Tip 1 : answer these questions honestly

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