Juniper Networks Software Engineer Interview Questions & Reviews
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Updated Mar 12, 2012 – Interview questions and reviews posted anonymously by interview candidates.
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Difficulty Rating [?] Based on 6 ratings 
“Difficult” Interview
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Interview Experience [?] Based on 6 ratings
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| 1–6 of 6 Juniper Networks Interviews | Sort by |
Software Engineer at Juniper Networks
Posted Mar 12, 2012
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4.0
Difficult Interview
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Overall Positive Experience
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Interviewed and No Offer
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Interviewed Mar 2012 in Bangalore (India) (took a day)
Hi i was interviews for Software Engineer role in Juniper Networks, Bangalore.
My Profile : 3.5yrs of Exp in Java , J2EE, Struts and 4Months of Exp in ExtJs.
I was called by the company HR as she found my resume on the job portal.
initially they had setup the telephonic round with Senior Engineer Manger. and below are few question i faced.
1.Explain the Data Structure Model. ?? Why did it evolve.
2.Explain Tree.
3. Traversal of Tree Structure, He asked some in-order traversal of nodes and an example.
4. Write the complete code implementation of the In-order traversal. (Though i explained the pseudo-code, he insisted on the complete code in java. :( . i was not completely efficient in writing it down and convey entire thing on phone ). i explained the recursive algo for this.
5. Next came the Puzzles and Problem solving questions. :)
a. Find the repeating element in a given array and number of times it is repeated. I did gave a good answer (use hashmap and counter the value for key) for this quesion but again he wanted a complete code for this explained on phone. :(
b. 10 bag of gold coin, where 1 bag has a defective ones. find the odd ones using the balance machine only once. (i did not give a good answer here)
c. Some question on double matrix (dont remember it)
d. Prove that the number between prime pair is always divisible by 6 (i did not even gave a approach for this)
Overall it was a good experience, No question were asked related to Java Language or concepts blah blah..
Prepare well for the puzzle and DS and Algos and u can do well in it.
best of luck,
Punith
Interview Questions
Explain Tree.
Traversal of Tree Structure, He asked some in-order traversal of nodes and an example.
Other Details
I applied In-Person and the interview consisted of a Phone Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at Juniper Networks
Posted Jan 11, 2012
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3.0
Average Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed Dec 2011 in San Jose, CA (took a day)
Their hr found my resume online and asked me if I'm interested. two days later we scheduled a phone interview. The interviewer is very nice asked me about my previous projects, some knowledge on networking and C coding.
Interview Questions
Other Details
The interview consisted of a Phone Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at Juniper Networks
Posted Dec 10, 2011
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4.0
Difficult Interview
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Overall Negative Experience
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Interviewed and No Offer
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Interviewed Dec 2011 (took a day)
they are looking for candidates with very good command in c ,data structures and networks.
Asked about related projects.
Interview Questions
Other Details
The interview consisted of a 1:1 Interview and a Skills Test.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at Juniper Networks
Posted Dec 6, 2011
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4.0
Difficult Interview
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Overall Positive Experience
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Received and Accepted Offer
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Interviewed Jan 2009 (took 2 days)
9 or 10 rounds of technical interviews...Plus one puzzle round.
Interview Questions
Other Details
I got the interview through a Recruiter and the interview consisted of a Phone Interview, a 1:1 Interview and an IQ/Intelligence Test.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at Juniper Networks
Posted Oct 5, 2010
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3.0
Average Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed Sep 2010 in Sunnyvale, CA (took 4 weeks)
Onsite interview was set up, a week after the telephone interview. It took 3 weeks for them to get back after mailing the HR and hiring manager. The work involved for the position was very good. The team was friendly and there was not much HR interaction. Coding Qs were only in C ranging from Pointers to Bit-wise operations to data structures..
Interview Questions
Find the number of bits set in a random number.
Find the position of set bit in a number.
Difference between Binary Semaphore and a Mutex
Explain how RIP & OSPF differ, which is better?
Explain NAT & NATP.
Other Details
I got the interview through an Employee Referral and the interview consisted of a Phone Interview and a 1:1 Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at Juniper Networks
Posted Jan 22, 2010
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3.0
Average Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed Jan 2009 (took a day)
Was referred for this opening by a friend. A senior engineer on the team contacted me and set up a phone interview that lasted about half an hour. The conversation was mostly focussed on previous project experience and the technologies used in those projects. The interviewer asked questions regarding differences between switching and routing, layer 2 switching, layer 3 switching, VLANs etc. Went into more detail on VLAN - fields in the VLAN header, function of each field, number of VLANs that can be supported etc. Also asked questions about SIP and H.323 and comparison between the two.
Interview Questions
Other Details
I got the interview through an Employee Referral and the interview consisted of a Phone Interview.
Helpful Interview?
Yes |
No
Inappropriate?
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