Ciena Software Designer Interview Questions and Answers

Q1. Basic techno managerial questions on tech you worked on work, interests, challenges you faced. Was fairly short.
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Initially had a string based coding problem. Then was asked technical questions and then had a small break before doing system design with same interviewer for building book my show system and db schema.

Q1. Had a discussion with hiring manager on expectations, salary and growth.
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DSA and Algorithm Questions

Q1. System Design Quesrtions
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Q2. Explain Previous Projects you have worked- And in dept micro-service questions
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Easy-medium level and it included two coding questions and some technical questions

Q1. How are structures and classes stored?
Ans. 
Structures and classes are stored in memory as a combination of data members and member functions.
• Structures and classes are stored in memory as a combination of data members and member functions.

• Data members of a structure or class are stored in contiguous memory locations.

• Member functions of a class are stored separately in memory and are shared among all instances of the class.

• Pointers to member functions are used t...read more
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Q2. What is final and finalize?
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final is a keyword in Java used to restrict inheritance, overriding, and modification. finalize is a method used for cleanup operations before an object is garbage collected.
• final keyword is used to declare constants, prevent inheritance by marking a class as final, and prevent method overriding by marking a method as final

• finalize method is called by the garbage collector before an object is destroyed

• Example: final in...read more
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Q1. Introduction call and experience matching
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Q1. Docker and web development questions
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Q1. Find nth elements from last in linked list
Ans. 
Use two pointers to find the nth element from the end of a linked list.
• Use two pointers, one moving n steps ahead of the other

• When the first pointer reaches the end, the second pointer will be at the nth element from the end
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Q2. Difference between hashmap and concurrent hashmap
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe and allows concurrent access.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if accessed by multiple threads simultaneously.

• ConcurrentHashMap allows concurrent access by multiple threads without the need for external synchronization.

• ConcurrentHashMap achieves thread-safety by dividing the map into segments, allowing multiple th...read more
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30min duration C coding 10 questions asked

1hr duration interviewer will be giving some random C questions to code

Q1. System programming
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Q2. System design, os concepts
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Q1. What's is Use in 5G technology
Ans. 
5G technology is the fifth generation of mobile networks, offering faster speeds, lower latency, and increased capacity for data transmission.
• 5G technology enables faster download and upload speeds compared to 4G LTE.

• It provides lower latency, meaning faster response times for data transmission.

• 5G networks have increased capacity to support more devices and data traffic.

• Use cases for 5G technology include enhanced mobi...read more
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Q2. What is The TCP model
Ans. 
The TCP model is a networking model that stands for Transmission Control Protocol.
• Consists of four layers: Process/Application, Host-to-Host, Internet, and Network Access

• Focuses on reliable communication between devices

• Used in conjunction with the IP protocol to establish connections and transfer data

• Example: Sending an email using SMTP protocol over TCP/IP
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Q3. What is the OIC model
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The OIC model stands for Object, Interaction, and Control model used in software engineering to represent the structure and behavior of a system.
• OIC model is used to represent the structure and behavior of a system in software engineering.

• Object refers to the entities in the system, Interaction represents the relationships between objects, and Control defines the flow of control between objects.

• It helps in designing an...read more
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Q4. What is the Wireless Technology
Ans. 
Wireless technology refers to communication technology that allows devices to communicate without the need for physical connections.
• Uses radio waves or infrared signals to transmit data

• Examples include Wi-Fi, Bluetooth, and NFC

• Enables mobility and flexibility in device connectivity
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Q1. What's this hai
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Q2. Then I am Already
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Q3. They are you doing in
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Q4. Which is the best for
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Q5. Thank you for your information
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Q6. Thank you for your information and is the best for your information and is
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Queue question - create queue from array

Q1. Working structure preference
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Q2. Salary preference
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Q3. No more questions
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