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Juniper Networks Staff Engineer Interview Questions, Process, and Tips

Updated 26 May 2022

Top Juniper Networks Staff Engineer Interview Questions and Answers

  • Q1. Swap Adjacent Bit Pairs Problem Statement Given an integer N , your task is to compute the number that results from swapping each even position bit of N 's binary repres ...read more
  • Q2. Level Order Traversal of Binary Tree Given a Binary Tree of integers, your task is to return the level order traversal of the tree. Input: The first line contains an int ...read more
  • Q3. What are the various components of an IP packet header?
View all 13 questions

Juniper Networks Staff Engineer Interview Experiences

2 interviews found

I was interviewed before May 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 45 minutes
Round difficulty - Easy

Technical Interview round with questions on DSA

  • Q1. 

    Level Order Traversal of Binary Tree

    Given a Binary Tree of integers, your task is to return the level order traversal of the tree.

    Input:

    The first line contains an integer 'T' which denotes the number...
  • Ans. 

    Return the level order traversal of a Binary Tree of integers.

    • Perform a level order traversal using a queue data structure

    • Start by pushing the root node into the queue

    • Pop each node from the queue, print its value, and push its children into the queue

  • Answered by AI
  • Q2. 

    Swap Adjacent Bit Pairs Problem Statement

    Given an integer N, your task is to compute the number that results from swapping each even position bit of N's binary representation with its adjacent odd bit to...

  • Ans. 

    Swap each even position bit of an integer with its adjacent odd bit to the right in binary representation.

    • Iterate through the binary representation of the integer and swap adjacent bits at even positions with odd positions.

    • Convert the modified binary representation back to an integer to get the final result.

    • Handle edge cases like leading zeros in binary representation.

  • Answered by AI
Round 2 - Video Call 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical round with questions on Networking.

  • Q1. What are the various components of an IP packet header?
  • Ans. 

    Components of an IP packet header

    • Version

    • Header Length

    • Type of Service

    • Total Length

    • Identification

    • Flags

    • Fragment Offset

    • Time to Live

    • Protocol

    • Header Checksum

    • Source IP Address

    • Destination IP Address

    • Options

  • Answered by AI
  • Q2. What is the difference between TCP and UDP?
  • Ans. 

    TCP is connection-oriented, reliable, and slower, while UDP is connectionless, unreliable, and faster.

    • TCP is connection-oriented, meaning it establishes a connection before sending data, while UDP is connectionless and does not establish a connection.

    • TCP is reliable as it ensures all data packets are received in order and retransmits any lost packets, while UDP does not guarantee delivery or order of packets.

    • TCP is slo...

  • Answered by AI
  • Q3. What are the various components of a TCP segment header?
  • Ans. 

    The TCP segment header consists of various components that help in the transmission of data over a network.

    • Source Port

    • Destination Port

    • Sequence Number

    • Acknowledgment Number

    • Data Offset

    • Reserved

    • Flags

    • Window Size

    • Checksum

    • Urgent Pointer

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAJuniper Networks interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, Networking, Aptitude, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview Questionnaire 

10 Questions

  • Q1. Bit manipulation programs?
  • Q2. IP packet header and meaning of each field and usage of each field
  • Ans. 

    IP packet header fields and their usage

    • Version: indicates the IP version being used (IPv4 or IPv6)

    • Header Length: specifies the length of the IP header

    • Type of Service: used to prioritize packets

    • Total Length: specifies the total length of the IP packet

    • Identification: used to identify fragments of a larger packet

    • Flags: used to control fragmentation

    • Fragment Offset: used to reassemble fragmented packets

    • Time to Live: specifi...

  • Answered by AI
  • Q3. IP fragmentation
  • Q4. TCP packet header and meaning of each field and usage of each field
  • Ans. 

    TCP packet header fields and their usage

    • TCP packet header consists of 20 bytes

    • Fields include source and destination ports, sequence and acknowledgement numbers, flags, window size, and checksum

    • Source and destination ports identify the endpoints of the connection

    • Sequence and acknowledgement numbers are used for reliable data transfer

    • Flags indicate the purpose of the packet, such as SYN, ACK, FIN, RST

    • Window size is used ...

  • Answered by AI
  • Q5. Dictionary implementation program
  • Ans. 

    A program to implement a dictionary using an array of strings.

    • Use an array of strings to store the words and their definitions.

    • Implement functions to add, delete, and search for words.

    • Consider using a hash table for faster search times.

  • Answered by AI
  • Q6. Telephone directory implementation program
  • Ans. 

    Implement a telephone directory program using an array of strings.

    • Create an array of strings to store the directory

    • Implement functions to add, delete, and search for entries

    • Consider using a hash table for faster search times

    • Include error handling for invalid input

  • Answered by AI
  • Q7. Tcp Vs udp
  • Ans. 

    TCP is a reliable, connection-oriented protocol while UDP is a faster, unreliable, connectionless protocol.

    • TCP ensures data delivery and error checking while UDP does not.

    • TCP establishes a connection before data transfer while UDP does not.

    • TCP is used for applications that require reliable data transfer like email, file transfer, etc. while UDP is used for applications that require speed like online gaming, video strea

  • Answered by AI
  • Q8. Why security is important in a system?
  • Ans. 

    Security is important in a system to protect against unauthorized access, data breaches, and cyber attacks.

    • Prevents unauthorized access to sensitive data

    • Protects against data breaches and cyber attacks

    • Ensures confidentiality, integrity, and availability of data

    • Compliance with regulations and standards

    • Maintains trust and confidence of customers and stakeholders

  • Answered by AI
  • Q9. Level printing of a tree program
  • Ans. 

    Printing a tree in level order

    • Use a queue to store nodes in level order

    • Enqueue root node and print its value

    • Dequeue the node and enqueue its children

    • Repeat until queue is empty

  • Answered by AI
  • Q10. How do you swap two particular bits of an integer program?
  • Ans. 

    Swapping two particular bits of an integer program.

    • Use bitwise operators to get the values of the two bits to be swapped

    • Use XOR operator to swap the bits

    • Shift the bits back to their original positions

    • Example: Swapping 2nd and 5th bits of 8 (1000) gives 32 (100000)

    • Example code: num ^= (1 << bit1) | (1 << bit2);

  • Answered by AI

Skills evaluated in this interview

Staff Engineer Interview Questions Asked at Other Companies

Q1. Swap Adjacent Bit Pairs Problem Statement Given an integer N, you ... read more
Q2. Search In Rotated Sorted Array Problem Statement Given a rotated ... read more
Q3. Minimum Jumps Problem Statement Bob and his wife are in the famou ... read more
Q4. Level Order Traversal of Binary Tree Given a Binary Tree of integ ... read more
asked in Nagarro
Q5. How to write HTML code considering web accessibility for disabled ... read more

Staff Engineer Jobs at Juniper Networks

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Interview questions from similar companies

Interview Questionnaire 

4 Questions

  • Q1. Write a C code for printing Febonacci Series upto n elements
  • Ans. 

    C code for printing Fibonacci Series upto n elements

    • Declare three variables to store the current, previous and next numbers in the series

    • Initialize the previous and current variables to 0 and 1 respectively

    • Use a loop to print the next number in the series by adding the previous two numbers

    • Loop should run n times to print n elements in the series

  • Answered by AI
  • Q2. Question related to family background
  • Q3. What are your hobbies?
  • Q4. What are your strengths and weaknesses?

Interview Preparation Tips

Round: Test
Experience: Questions were from easy to moderate level. No negative marking, so attempt all.
Tips: Keep your mind open and practice aptitude problems on a daily basis.

Round: Group Discussion
Experience: There were 21 students selected out of which two teams of 10 and 11 students were formed. Both the groups were given a topic and each one of us had to express our views.
Tips: Don't get nervous, just speak whatever you think. Don't yell or speak at loudly, just keep calm and put your points forward.
Duration: 20 minutes

Round: Technical Interview
Experience: Apart from the above questions some puzzles and DBMS questions and a few basic C questions were also asked. We were given enough time to think and answer.
Tips: Do not be in a hurry. Think properly what you are going to say, whether it is right or not and then only answer.

Round: HR Interview
Experience: The HR round was a good one. He tried to test my thinking capabilities and reasoning capabilities
Tips: Answer every question honestly.

General Tips: All the four rounds were elimination rounds and the final result was announced based on cumulative performance. So, be patient and give your best.
Skill Tips: Try to answer every properly
Skills: IQ, Basic Coding Skills, Problem Solving Skills
College Name: NIT ALLAHABAD
Motivation: The company visited our college campus. Also, one of my relatives in in Ericsson at a very high  post and is quite happy working here.

Skills evaluated in this interview

I was interviewed in Mar 2017.

Interview Questionnaire 

8 Questions

  • Q1. Basics of networking
  • Q2. Data structures
  • Q3. Sql
  • Q4. Introduction
  • Q5. Final year project
  • Q6. Why should I hire you?
  • Ans. 

    I have the technical skills, experience, and passion to deliver high-quality software solutions.

    • I have a strong background in programming languages such as Java, Python, and C++.

    • I have experience working on complex software projects and collaborating with cross-functional teams.

    • I am passionate about staying up-to-date with the latest technologies and trends in software development.

    • I am a quick learner and have a strong...

  • Answered by AI
  • Q7. Why Ericsson?
  • Ans. 

    Ericsson is a global leader in telecommunications technology with a strong focus on innovation and career development.

    • Global leader in telecommunications technology

    • Strong focus on innovation

    • Opportunities for career development

  • Answered by AI
  • Q8. About relocation

Interview Preparation Tips

Round: Test
Experience: The test which I wrote was based on cocubes. quants was easy, one can easily score 50 percent if they refer rs agarwal and logical was easy but it takes more time and verbal was neither easy nor tough. One thing I want to advice try doing verbal first so that u can save time and then go to quant and logical. After the test we got the results out of 160 students 51 cleared the test. I was one among them.
Duration: 45 minutes
Total Questions: 45

Round: Technical Interview
Experience: Keep ur cool in the technical. people are friendly. Think before you answer twice they may ask u puzzles as well. So be prepared for it. Final year project is a must, they are gonna ask u the details how you implement stuffs in your project. After my technical out of 51 students around 30 cleared this round. I was one among them.

Round: HR Interview
Experience: Don't be scared guys. Hr is just a casual one. finally around 15 were selected from my college including me. I am very happy with the result. best of luck guys. Do well!!!
Tips: Keep your cool. stay confident that's all I can tell. Once you clear technical one can easily clear Hr round.

Skills: Communication, Technical Skill
College Name: JSS Academy of Technical Education - JSSATE

I was interviewed in Mar 2017.

Interview Questionnaire 

5 Questions

  • Q1. Related to semiconductors, processors etc. were asked.
  • Q2. Strength
  • Q3. Weaknesses
  • Q4. Hobby
  • Q5. If there are 200 fishes in an aquarium. 99% are red. How many fishes have to be removed to make the red fishes 98 % in the aquarium?
  • Ans. 

    To make the red fishes 98%, 50 fishes have to be removed from the aquarium.

    • Calculate 1% of 200 fishes, which is 2 fishes.

    • To make the red fishes 98%, subtract 1% (2 fishes) from 99% (198 fishes).

    • To find the number of fishes to be removed, divide the difference by 1% (2 fishes).

    • Therefore, 50 fishes have to be removed to make the red fishes 98%.

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 40 aptitude questions of variable difficulty. More questions revolved around topics like time and work, distance, speed, time, profit loss, age etc.
Tips: A regular and prior preparation will go a long way in determining a good test score.
Use tricks to solve the questions and calculations should be fast.
Duration: 30 minutes
Total Questions: 40

Round: Test
Experience: The questions weren't that tough when it came to programming. An example would be conversion of temperature from Celsius to Fahrenheit and vice versa. This was a question in my paper. So I'm hoping the difficulty would be more or less the same.
Tips: Do certified programming courses. They help you a lot in cracking good jobs.
Duration: 45 minutes
Total Questions: 3

Round: Puzzle Interview
Tips: This can be tough if you can't imagine scenarios and situations. So make sure you inculcate critical problem solving thinking in your everyday life. I feel that's the best way to do things in this round.

Round: Technical Interview
Experience: This was a short interview so not much happened.
Tips: Whatever you do just know your stuff properly.

Round: HR Interview
Experience: It was a simple interview. Basic questions and their basic answers helped me get through it.
Tips: The tip would be to stay positive in your approach while answering the questions

Skills: Technical Skills, Interpersonal Communication, Aptitude
College Name: VIT Vellore

I was interviewed in Feb 2017.

Interview Preparation Tips

Round: Test
Experience: It was a simple aptitude test in which around 150 students cleared the test.
Duration: 1 hour
Total Questions: 40

Round: Test
Experience: Three programs were given and we had to write the code in either java ,c or c++ and get the required output.Around 90 students cleared this round.
Duration: 1 hour 30 minutes
Total Questions: 3

College Name: VIT Vellore

I was interviewed in Mar 2017.

Interview Questionnaire 

5 Questions

  • Q1. Related to semiconductors, processors etc. were asked.
  • Q2. Strength
  • Q3. Weaknesses
  • Q4. Hobbies
  • Q5. If there are 200 fishes in an aquarium. 99% are red. How many fishes have to be removed to make the red fishes 98 % in the aquarium?
  • Ans. 

    To make the red fishes 98%, 50 fishes have to be removed from the aquarium.

    • Calculate 1% of 200 fishes to find the number of red fishes.

    • Subtract the number of red fishes from 200 to find the number of non-red fishes.

    • Calculate 2% of the total number of fishes to find the desired number of red fishes.

    • Subtract the desired number of red fishes from the current number of red fishes to find the number of fishes to be removed.

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 40 aptitude questions of variable difficulty. More questions revolved around topics like time and work, distance, speed, time, profit loss, age etc.
Tips: A regular and prior preparation will go a long way in determining a good test score.
Use tricks to solve the questions and calculations should be fast.
Duration: 30 minutes
Total Questions: 40

Round: Test
Experience: The questions weren't that tough when it came to programming. An example would be conversion of temperature from Celsius to Fahrenheit and vice versa. This was a question in my paper. So I'm hoping the difficulty would be more or less the same.
Tips: Do certified programming courses. They help you a lot in cracking good jobs.
Duration: 45 minutes
Total Questions: 3

Round: Puzzle Interview
Tips: This can be tough if you can't imagine scenarios and situations. So make sure you inculcate critical problem solving thinking in your everyday life. I feel that's the best way to do things in this round.

Round: Technical Interview
Experience: This was a short interview so not much happened.
Tips: Whatever you do just know your stuff properly.

Round: HR Interview
Experience: It was a simple interview. Basic questions and their basic answers helped me get through it.
Tips: The tip would be to stay positive in your approach while answering the questions

Skills: Technical Skill, Interpersonal Communication, Aptitude
College Name: VIT Vellore

I was interviewed before May 2016.

Interview Preparation Tips

Round: Test
Experience: The test was conducted through Cocubes. It was moderately difficult. Some of the questions are time taking. We need to be decisive in attempting such questions.
Tips: Need to manage time properly. Should assess and choose which questions to attempt and which ones to leave.
Duration: 1 hour
Total Questions: 30

Round: Test
Experience: The three questions are of three different levels.

1. You will be given two numbers. The first one is the starting point and the second one is the ending point of a range of integers. You have to count the number of integers in that range which are divisible by the first number.

Ex : INPUT : 3 18
OUTPUT : 6

2. You will be given a number. You have to find the sum of the digits. If the sum exceeds 9, you have to add the digits of the sum recursively until you a get a single digit sum.

EX : INPUT : 9999
OUTPUT : 9

Explanation: 9999 => 9 +9+9+9=36 => 3+6 =9

3. You will be given an array of characters which include ( L, R , or a number in the range '0' to '9'). A ball is kept on a line of integers initially kept at zero. The ball has to execute the instructions sequentially as follows:
(i) If an 'L' character is encountered, the ;position of the ball has to be decremented.
(ii) If an 'R' character is encountered, the position of the ball has to be incremented.
(iii) If an integer (in the range '0' to '9) is encountered , we have to go to that index in the array and execute the instruction present in that index.

Finally, after all the instructions are executed, you have to print the final position of the ball.

EX : INPUT :
Number of instruction : 5
Instructions: LR1R2

OUTPUT : 3

Explanation :
(i) Initially, the ball is at 0. Since the 0th index in the array is 'L' , the ball moves to 0-1= -1 position.
(ii) The 1st index is 'R' hence, the position of the ball is -1 +1 = 0 position.
(iii) The 2nd index is '1', hence we have to go to index 1 in the array which is 'R', hence the new position is 0+1 =1.
(iv) The 3rd index is 'R', hence the new position is 1 +1 =2.
(v) The 4th index is '2' , hence we have to go to 2nd index is '1' , hence we have to go again to 1st index , which is 'R' hence the final position is 2+1 =3.

Tips: We need to solve all the three the problems to have better chances of clearing this round.
Duration: 1 hour
Total Questions: 3

Round: Technical Interview
Experience: The interview was focussed majorly on coding. It went for about 45min with around 10 coding problems given to solve. Some basics of Computer networking are also tested in this round.
Tips: Be prepared with some basics of networking. As the company's main focus is on Telecom, good knowledge in telecom and networking would be a big advantage.

Round: Technical Interview
Experience: This round was focused on the aptitude and reasoning skills. Some puzzles were given in this round. These puzzles are of moderately complex and are more common ones in interviews. Like the (find the heavier ball among three balls using a balance in min no. of attempts).
Tips: Sometimes the interviewer tries to confuse. You need to be confident with your answers and explaination.

Round: HR Interview
Experience: The interview was more of a traditional HR round. Majorly concentrated on the final year project, personal strengths and weaknesses.

Skills: Coding Skills, Computer Networking, C Language Basics
College Name: G Pulla Reddy College of Engineering & Technology

I was interviewed in Mar 2017.

Interview Questionnaire 

5 Questions

  • Q1. Related to semiconductors, processors etc. were asked.
  • Q2. Weaknesses
  • Q3. Strength
  • Q4. Hobby
  • Q5. If there are 200 fishes in an aquarium. 99% are red. How many fishes have to be removed to make the red fishes 98 % in the aquarium?
  • Ans. 

    To make the red fishes 98%, 50 fishes have to be removed from the aquarium.

    • Calculate 1% of 200 fishes to find out how many fishes represent 1%.

    • Multiply the result by 2 to find out how many fishes represent 2%.

    • Subtract the result from 200 to find out how many fishes represent 98%.

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 40 aptitude questions of variable difficulty. More questions revolved around topics like time and work, distance, speed, time, profit loss, age etc.
Tips: A regular and prior preparation will go a long way in determining a good test score.
Use tricks to solve the questions and calculations should be fast.
Duration: 30 minutes
Total Questions: 40

Round: Test
Experience: The questions weren't that tough when it came to programming. An example would be conversion of temperature from Celsius to Fahrenheit and vice versa. This was a question in my paper. So I'm hoping the difficulty would be more or less the same.
Tips: Do certified programming courses. They help you a lot in cracking good jobs.
Duration: 45 minutes
Total Questions: 3

Round: Puzzle Interview
Tips: This can be tough if you can't imagine scenarios and situations. So make sure you inculcate critical problem solving thinking in your everyday life. I feel that's the best way to do things in this round.

Round: Technical Interview
Experience: This was a short interview so not much happened.
Tips: Whatever you do just know your stuff properly.

Round: HR Interview
Experience: It was a simple interview. Basic questions and their basic answers helped me get through it.
Tips: The tip would be to stay positive in your approach while answering the questions

Skills: Technical Skill, Interpersonal Communication, Aptitude
College Name: VIT Vellore

I was interviewed before Mar 2021.

Round 1 - Group Discussion 

Round duration - 15 minutes
Round difficulty - Easy

This was a group discussion round where we were divided into groups of 10 and we had 15 minutes for GD.

Round 2 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This is all about how good you are with the fundamentals. Out of 10 I would give it a 6.5 on difficulty.

  • Q1. 

    Reverse the String Problem Statement

    You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string.

    Example:

    Input:
    STR = "abcde"
    Output:
    "e...
  • Ans. 

    Reverse a given string containing alphabets, numbers, and special characters.

    • Iterate through the string from the end to the beginning and append each character to a new string.

    • Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.

    • Handle special characters and numbers while reversing the string.

    • Ensure to consider the constraints on the length of the string and the

  • Answered by AI
  • Q2. What is a deadlock?
  • Ans. 

    A deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.

    • Occurs in multitasking environments where processes compete for limited resources

    • Can be resolved using techniques like deadlock prevention, deadlock avoidance, and deadlock detection

    • Example: Process A holds Resource X and waits for Resource Y, while Process B holds Resource Y and wa

  • Answered by AI
  • Q3. What is a thread?
  • Ans. 

    A thread is a lightweight sub-process that allows concurrent execution within a single process.

    • Threads share the same memory space within a process.

    • Threads are used to achieve parallelism and improve performance.

    • Examples of threads include the main thread in a program and worker threads in a multi-threaded application.

  • Answered by AI
  • Q4. What is the difference between Multiprocessing and Multiprogramming?
  • Ans. 

    Multiprocessing involves multiple processors executing multiple tasks simultaneously, while multiprogramming involves multiple programs sharing a single processor by switching between them.

    • Multiprocessing utilizes multiple processors to execute multiple tasks concurrently.

    • Multiprogramming involves multiple programs sharing a single processor by switching between them.

    • Multiprocessing is more efficient in terms of perfor...

  • Answered by AI
  • Q5. Can you explain the process life cycle in an operating system?
  • Ans. 

    Process life cycle in an operating system involves creation, execution, termination, and resource management.

    • Creation: When a process is created, it is assigned a unique process ID and allocated necessary resources.

    • Execution: The process is then scheduled by the operating system to run on the CPU.

    • Termination: Once the process completes its task or is terminated by the user, it is removed from memory.

    • Resource Management...

  • Answered by AI
  • Q6. What are the differences between Windows XP and Windows 7?
  • Ans. 

    Windows XP and Windows 7 are both operating systems developed by Microsoft, but they have several key differences.

    • User interface: Windows 7 has a more modern and user-friendly interface compared to Windows XP.

    • Performance: Windows 7 is generally faster and more stable than Windows XP.

    • Security: Windows 7 has more advanced security features and updates compared to Windows XP.

    • Hardware support: Windows 7 supports newer hard...

  • Answered by AI
Round 3 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical round with questions on DBMS and Networking mainly.

  • Q1. What is the difference between RDBMS and DBMS?
  • Ans. 

    RDBMS is a type of DBMS that stores data in a structured format with relationships between tables.

    • RDBMS enforces referential integrity and allows for normalization of data.

    • DBMS is a general term for any system that manages databases, while RDBMS specifically refers to relational databases.

    • Examples of RDBMS include MySQL, Oracle, and SQL Server.

    • Examples of DBMS include MongoDB and Redis.

  • Answered by AI
  • Q2. What is an Object-Oriented Database Management System (OODBMS)?
  • Ans. 

    An Object-Oriented Database Management System (OODBMS) is a type of database management system that supports the creation and management of objects in a database.

    • OODBMS stores data in the form of objects, which can contain attributes and methods.

    • It allows for complex data structures and relationships to be represented more easily.

    • Examples of OODBMS include db4o, ObjectDB, and ObjectStore.

  • Answered by AI
  • Q3. How do you find the number of unique values in a SQL database?
  • Ans. 

    Use the COUNT DISTINCT function in SQL to find the number of unique values in a database.

    • Use the COUNT DISTINCT function along with the column name to count the number of unique values in that column.

    • For example, SELECT COUNT(DISTINCT column_name) FROM table_name;

    • You can also use GROUP BY to find the number of unique values for multiple columns.

  • Answered by AI
  • Q4. What is the difference between a hub and a switch in networking?
  • Ans. 

    A hub operates at the physical layer and broadcasts data to all devices on the network, while a switch operates at the data link layer and forwards data only to the intended recipient.

    • Hub operates at the physical layer, while switch operates at the data link layer

    • Hub broadcasts data to all devices on the network, while switch forwards data only to the intended recipient

    • Switch is more efficient and secure compared to a

  • Answered by AI
  • Q5. Can you explain the different OSI layers?
  • Ans. 

    The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven different layers.

    • Physical Layer: Deals with the physical connection between devices. Example: Ethernet cables.

    • Data Link Layer: Responsible for node-to-node communication. Example: MAC addresses.

    • Network Layer: Manages routing of data packets. Example: IP addresses.

    • T...

  • Answered by AI
  • Q6. What are the different protocols supported at each OSI layer?
  • Ans. 

    Different protocols supported at each OSI layer

    • Layer 1 (Physical): Ethernet, Wi-Fi, Bluetooth

    • Layer 2 (Data Link): MAC, PPP, HDLC

    • Layer 3 (Network): IP, ICMP, ARP

    • Layer 4 (Transport): TCP, UDP, SCTP

    • Layer 5 (Session): NetBIOS, PPTP

    • Layer 6 (Presentation): SSL, TLS

    • Layer 7 (Application): HTTP, FTP, SMTP

  • Answered by AI
Round 4 - HR 

Round duration - 15 minutes
Round difficulty - Easy

IF you make it to the HR round you are selected. All 28 that attended got selected . It was more like stuff for formality. The usual questions.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAEricsson India interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPS, DBMS, OSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

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Juniper Networks Interview FAQs

How to prepare for Juniper Networks Staff Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Juniper Networks. The most common topics and skills that interviewers at Juniper Networks expect are Data Structures, Debugging, Ethernet, Networking and Product Management.
What are the top questions asked in Juniper Networks Staff Engineer interview?

Some of the top questions asked at the Juniper Networks Staff Engineer interview -

  1. how do you swap two particular bits of an integer progr...read more
  2. IP packet header and meaning of each field and usage of each fi...read more
  3. TCP packet header and meaning of each field and usage of each fi...read more

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Juniper Networks Staff Engineer Interview Process

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Interview experience

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Juniper Networks Staff Engineer Salary
based on 53 salaries
₹21.6 L/yr - ₹76 L/yr
56% more than the average Staff Engineer Salary in India
View more details

Juniper Networks Staff Engineer Reviews and Ratings

based on 11 reviews

4.4/5

Rating in categories

3.8

Skill development

4.3

Work-life balance

4.4

Salary

3.8

Job security

4.2

Company culture

3.6

Promotions

4.3

Work satisfaction

Explore 11 Reviews and Ratings
DevOps/MLOps Staff engineer

Bangalore / Bengaluru

4-8 Yrs

Not Disclosed

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