Serve Smart Services Interview Questions and Answers

Q1. Work experience
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Q2. Work experience background
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Q1. Salary expectation
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Q2. Sift timing , location
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Q1. How are Hashes implemented
Ans. 
Hashes are implemented using hash functions to map data to unique fixed-size values, typically used for fast data retrieval.
• Hash functions are used to generate a unique hash value for each input data

• Hash tables use these hash values as keys to store and retrieve data efficiently

• Common hash functions include MD5, SHA-1, and SHA-256

• Hash collisions can occur when different inputs produce the same hash value
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Q2. Explain any one design pattern with example
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Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
• Ensure a class has only one instance by providing a global access point to it

• Lazy initialization to create the instance only when needed

• Thread-safe implementation to handle multiple threads accessing the instance

• Commonly used in logging, caching, database connections
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Q1. Project implementation details
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Q2. Basic SQL queries
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Coding test with 3 questions

Q1. Questions on Resume Basics of Core Java Java Pseudocode output One math problem on directions
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Q2. Types of synchronization?
Ans. 
Types of synchronization include mutual exclusion, semaphores, monitors, and condition variables.
• Mutual exclusion: Ensures that only one thread can access a resource at a time.

• Semaphores: Used to control access to a common resource by multiple threads.

• Monitors: Combines data and procedures into a single unit to control access to shared resources.

• Condition variables: Allow threads to wait for a certain condition to be m
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Q3. Capacity of SCP?
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SCP stands for Secure, Contain, Protect. It refers to a fictional organization that secures and contains anomalous objects.
• SCP Foundation is a fictional organization in the SCP universe that secures and contains anomalous objects

• The capacity of SCP refers to the organization's ability to contain and manage these anomalous objects

• SCP Foundation has various containment facilities with different capacities to house differ
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Q4. Difference between heap and stack and how memory clean up is done?
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Heap and stack are two different memory regions in a computer's memory. Heap is used for dynamic memory allocation, while stack is used for static memory allocation.
• Heap is used for dynamic memory allocation, while stack is used for static memory allocation.

• Heap memory is allocated at runtime and can be accessed randomly, while stack memory is allocated at compile time and accessed in a last-in-first-out manner.

• Memory ...read more
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Q5. Internal working of HashMap?calculation part also
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HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index (collision), a linked list is used to store all key-value pairs at that index.

• To retrieve a value, the ke...read more
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Q1. MW specialist technical supporter and for project billing
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Q2. DWDM finalizing Project
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Q3. MPLS compete project
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Q4. TDD, LDT, FDD, compete
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Q5. UBR io Running project at the time
Ans. 
UBR io is a project currently being implemented in the telecommunication field.
• UBR io is a project focused on improving user experience and network efficiency in telecommunication.

• It involves implementing new technologies and strategies to enhance network performance.

• Examples of UBR io initiatives include upgrading network infrastructure, optimizing data transmission protocols, and enhancing network security measures.
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Q6. There are support team for vender Team
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Q7. In this project perfect good knowledge
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Q1. What is ur background
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I have a Bachelor's degree in Computer Science and have completed multiple internships in software development.
• Bachelor's degree in Computer Science

• Multiple internships in software development
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Q1. LTE Frame Structure
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Q2. Type 1 and Type 2
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Q1. About Self, & Some HR Questions related to CRO profile
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Q1. Self & Technical Skills (Like Computer Fundamentals) & CRO questions
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Q1. SQL based basic questions
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Q1. General questions and previous experience
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Q1. Previous company details
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Q2. Work experience details
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Q3. Expected salary
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Q1. You become bakara go for this job
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Q2. Ready to show your previous company salary slips
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Q3. What is your expectations
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