Nokia Softwaretest Engineer Interview Questions, Process, and Tips

Q1. How the Amazon category load so fast
Ans. 
Amazon category loads fast due to optimized server infrastructure, efficient caching mechanisms, and streamlined code.
• Optimized server infrastructure with high-performance servers and load balancers

• Efficient caching mechanisms to store frequently accessed data and reduce load times

• Streamlined code with minimal dependencies and optimized algorithms

• Content delivery networks (CDNs) to serve static content quickly to users
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Q2. How does images load so fast on Amazon.
Ans. 
Amazon uses a content delivery network (CDN) to cache images closer to users, reducing load times.
• Amazon uses a global network of servers to cache images closer to users, reducing latency.

• They utilize a content delivery network (CDN) to distribute images across multiple servers worldwide.

• Amazon optimizes images for web delivery by compressing them without losing quality.

• They may also use lazy loading techniques to prio
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Q3. Design a cache in Java
Ans. 
Design a cache in Java
• Use a HashMap to store key-value pairs

• Implement a mechanism to limit the size of the cache and remove least recently used items

• Consider using a doubly linked list to keep track of the order of items in the cache
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Q1. Tell me about a project you worked with and what limitations you’ve had
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Q2. What’s is microservices
Ans. 
Microservices are a software development technique where applications are composed of small, independent services that communicate over well-defined APIs.
• Microservices break down applications into smaller, loosely coupled services

• Each service is responsible for a specific function and can be developed, deployed, and scaled independently

• Communication between services is typically done through APIs

• Examples include Netfli...read more
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Q1. What are your salary expectations?
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Q2. Tell me about yourself.
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Q3. What are test cases What is your name What is ur education Tell me about yourself How many years of work experience Is your notice period is starting Are you relocate in pune
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Q1. Tell about Yourself
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Q2. Tell about your project
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Q3. And Other Work Related Questions
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1st round some apt qns,some prgramming qns are they asked

Q1. C depth concepts and some prgram
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Q1. Some DSA questions they asked
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Q1. Reverse a linked list.
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Q2. Merge sort on a array/
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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?
Ans. 
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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Basi aptitude and coding mcq

Q1. What is hashmap
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