Server Technology
Server Technology Interview Questions and Answers
Q1. How to solve the question 1 with O(n),O(logn) time complexity
To solve question 1 with O(n) time complexity, iterate through the array once. To solve with O(logn) time complexity, use binary search.
For O(n) time complexity, iterate through the array once and perform the required operations.
For O(logn) time complexity, use binary search to find the desired element or perform the required operations.
O(n) time complexity is generally faster than O(logn) time complexity for smaller input sizes, while O(logn) is faster for larger input sizes...read more
Q2. Design the data structure for the efficient implementation of cache level memory
The data structure for efficient implementation of cache level memory is a multi-level cache hierarchy.
Use a multi-level cache hierarchy with different levels of cache (L1, L2, L3, etc.)
Each cache level should have a smaller size and faster access time compared to the previous level
Implement a cache coherence protocol to ensure consistency between different cache levels
Use a replacement policy (e.g., LRU - Least Recently Used) to determine which data to evict from the cache
Co...read more
Q3. How to find the nth node in a linked list
To find the nth node in a linked list, iterate through the list until reaching the nth node.
Start at the head of the linked list
Iterate through the list, moving to the next node each time
Stop when reaching the nth node
Q4. Differentiate between mutex and semaphores
Mutex and semaphores are synchronization mechanisms used in multi-threaded environments.
Mutex is used to provide mutual exclusion, allowing only one thread to access a shared resource at a time.
Semaphore is used to control access to a shared resource by multiple threads, allowing a specified number of threads to access it simultaneously.
Mutex is binary, meaning it has only two states: locked or unlocked.
Semaphore can have a count greater than one, indicating the number of thr...read more
Q5. Memory Management Scheme in UNIX OS
UNIX OS uses a dynamic memory management scheme to allocate and deallocate memory efficiently.
UNIX OS uses virtual memory to provide each process with its own address space.
The memory management scheme includes techniques like paging and segmentation.
Paging divides memory into fixed-size pages and maps them to physical memory.
Segmentation divides memory into logical segments of varying sizes.
UNIX OS uses demand paging to bring pages into memory only when needed.
It also employ...read more
Q6. Pre-order traversal of a BST iteratively
Pre-order traversal of a BST iteratively
Create an empty stack and push the root node onto it
While the stack is not empty, pop the top node and print its value
Push the right child onto the stack if it exists
Push the left child onto the stack if it exists
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Q7. ACID properties
ACID properties are a set of characteristics that ensure reliability and consistency in database transactions.
ACID stands for Atomicity, Consistency, Isolation, and Durability.
Atomicity ensures that a transaction is treated as a single, indivisible unit of work.
Consistency ensures that a transaction brings the database from one valid state to another.
Isolation ensures that concurrent transactions do not interfere with each other.
Durability ensures that once a transaction is c...read more
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