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Ciena
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Ciena Interview Questions and Answers
Ciena Interview Experiences
39 interviews found
Anonymous
Selected
I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.
(3 Questions)
- Q1. BGP basic and advanced scenarios
- Q2. BGP loop avoiding mechanism , Concep t of RR, BGP messages and flow , BGP path selection, L3VPN , LDP , Troubleshooting BGP issues with multiple diagrams and scenarios, BGP table map and route filtering , ...
- Q3. OSPF areas , Conceptual OSPF questions,
Senior Test Engineer Interview Questions asked at other Companies
Selected
I applied via LinkedIn and was interviewed before Apr 2023. There were 3 interview rounds.
Online portal test specific to your selected language, 2 programs
(1 Question)
- Q1. Python data structure questions, some automation framework questions
(1 Question)
- Q1. Why did you choose ciena? Why did you decided to leave your old org?
I applied via Company Website and was interviewed before Nov 2021. There were 2 interview rounds.
(2 Questions)
- Q1. How will you do end to end automation
- Ans.
End to end automation will be achieved through a systematic approach involving analysis, design, implementation, testing, and deployment.
Identify the processes that can be automated
Design a solution that integrates with existing systems
Implement the automation using appropriate tools and technologies
Test the automation thoroughly to ensure it meets requirements
Deploy the automation and monitor its performance
Continuous
- Q2. How will you inform the business if something is not automatable
- Ans.
I will communicate the limitations of automation and suggest alternative solutions.
Identify the specific task or process that cannot be automated
Analyze the reasons why it cannot be automated
Provide alternative solutions or workarounds
Communicate the limitations and alternatives to the business stakeholders
(3 Questions)
- Q1. Director came and said you are hired
- Q2. Asked about the technologies on which I worked upon
- Q3. Basic understanding about my previous role
Interview Preparation Tips
- Nothing
Worst is Indian Management
Skills evaluated in this interview
Senior Analyst Interview Questions asked at other Companies
Selected
I appeared for an interview before Apr 2023.
(1 Question)
- Q1. DSA , C , telecom
(1 Question)
- Q1. DSA , C telecom
Embedded Software Engineer Interview Questions asked at other Companies
Ciena interview questions for popular designations
Selected
I applied via Naukri.com and was interviewed before Sep 2022. There were 4 interview rounds.
(1 Question)
- Q1. Need baesd depending on availability of the resources in the market
(1 Question)
- Q1. Introduction and expectation setting
(1 Question)
- Q1. Discussion with manager -- just a formality as the background check was on .
Selected
I applied via Referral and was interviewed before Jul 2022. There were 3 interview rounds.
Python coding. Classes . Regex.
(4 Questions)
- Q1. Networking . End to end packet flow working.
- Q2. L2 and L3 header related questions.
- Q3. RIP, OSPF related questions
- Q4. Fragmentation related questions and header details
Software Engineer Interview Questions asked at other Companies
I applied via Naukri.com and was interviewed in Jul 2021. There were 4 interview rounds.
(1 Question)
- Q1. Question about current role and knowledge based on what technology are mentioned in the resume, like AWS(cloud platform) and the services. Knowledge of CI\D, programming skills in any language (python)
(1 Question)
- Q1. Some architectural design questions, in-depth questions about your contribution towards the projects that you have worked in.
(1 Question)
- Q1. Management rookne, to check team fittment, communication, attitude towards work
Interview Preparation Tips
Brush up on networking concepts in cloud.
Cloud Analyst Interview Questions asked at other Companies
Selected
I appeared for an interview before Nov 2022.
DSA Program based on Array, Linklist, Tree
(1 Question)
- Q1. C/C++ and DS question
(1 Question)
- Q1. C/C++ and DS Questions
Interview Preparation Tips
Embedded Software Engineer Interview Questions asked at other Companies
Interview Questionnaire
6 Questions
- Q1. 1. sort a stack without auxillary space
- Ans.
Sort a stack without auxiliary space
Use recursion to pop elements from stack and insert them in sorted order
Compare the top element with the next element and swap if necessary
Repeat until stack is sorted
- Q2. 2. design and write production code of thread pool
- Ans.
A thread pool is a group of threads that can be reused to execute multiple tasks concurrently.
Define a task interface that encapsulates the work to be done
Create a queue to hold tasks
Create a fixed number of threads in the pool
Each thread should loop indefinitely, taking tasks from the queue and executing them
Use synchronization primitives to ensure thread safety
Consider using a thread-safe data structure for the task ...
- Q3. 3. singleton implementation thread safe
- Q4. Shared and unique ptr implementation
- Ans.
Shared and unique pointer implementation in C++
Shared pointers allow multiple pointers to refer to the same object, automatically deleting the object when the last pointer is destroyed.
Unique pointers allow only one pointer to refer to an object, automatically deleting the object when the pointer is destroyed.
Shared pointers use reference counting to keep track of the number of pointers referring to an object.
Unique po...
- Q5. Given the frequency of three letters 'a' 'b' and 'c'..form the largest string by using a,b, and c provided 3 (a , b or c )cant be together and the possible string should be largest.
- Ans.
Form the largest string using a, b, and c with the condition that 3 (a, b, or c) can't be together.
Start with the most frequent letter and alternate with the other two.
If there are two letters with the same frequency, start with the one that has the least number of adjacent letters.
Example: 'abcabcab' is not valid, but 'abacbac' is valid and larger.
- Q6. Ex1 ) dict = {'abab' , 'aba', 'xyz', 'xyx'} pattern {'aba'} output {'aba' , 'xyx'} , ex 2) dict = {'abb' , 'abc' , 'xyz', 'xyy'} paatern {'mno'} output {abc , xyz} ...
- Ans.
Code to find strings in a dictionary matching a given pattern
Iterate through the dictionary and check if each string matches the pattern
Add the matching strings to an output array
Return the output array
Skills evaluated in this interview
Lead Engineer Interview Questions asked at other Companies
I applied via Naukri.com and was interviewed before Oct 2020. There were 4 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Given a list of numbers in an array ,traverse the array in a way so as to jump the number of times the value at that particular index example : a[i]=2 then jump to a[i+2] index , on reaching the last index...
- Ans.
Traverse an array by jumping the number of times the value at that index
Create a loop to traverse the array
Use modulo operator to handle circular array
Jump to the index based on the value at current index
Repeat until all elements are visited
- Q2. Program like create queue using 2 stacks ,linked list, array list implementation , find string within string
- Q3. Synchronisation producer consumer problems in java , java 8 concepts like lambdas , predicate ,consumer ,anymatch etc
- Q4. Pass by value and refrence, design related things
- Q5. And lastly the manager asked riddle, mine was burning the rope from 2 end and telling when its 15 min
Interview Preparation Tips
Skills evaluated in this interview
Module Lead Interview Questions asked at other Companies
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Ciena Interview FAQs
Some of the top questions asked at the Ciena interview -
The duration of Ciena interview process can vary, but typically it takes about less than 2 weeks to complete.
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Ciena Interviews By Designations
- Ciena Software Engineer Interview Questions
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- Ciena Module Lead Interview Questions
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- Ciena Senior Test Engineer Interview Questions
- Ciena Technical Lead Interview Questions
- Ciena Software Developer Interview Questions
- Show more
Interview Questions for Popular Designations
Ciena Interview Process
based on 27 interviews
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