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I applied via Naukri.com and was interviewed before Jul 2023. There was 1 interview round.
Blue screen error is a system error that causes a blue screen to appear on a computer, indicating a serious issue that requires troubleshooting.
Blue screen errors are also known as 'stop errors' or 'BSOD' (Blue Screen of Death).
They occur when the Windows operating system encounters a critical error that it cannot recover from.
Common causes of blue screen errors include hardware issues, driver conflicts, and software p...
DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices on a network.
Automatically assigns IP addresses to devices on a network
Helps in managing and organizing IP addresses efficiently
Reduces the need for manual configuration of IP addresses
Ensures that each device on the network has a unique IP address
DNS stands for Domain Name System, which translates domain names to IP addresses.
DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).
DNS works by sending queries to a series of servers, starting with the local DNS resolver and then moving up to authoritative DNS servers.
DNS uses a hierarchical system with multiple levels of servers, i...
Office 365 is based on cloud computing technology.
Cloud computing technology
Subscription-based service
Includes productivity software like Word, Excel, PowerPoint
Offers email services like Outlook
Provides collaboration tools like Teams
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I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.
I applied via LinkedIn and was interviewed before Apr 2023. There were 4 interview rounds.
Fetching data from api, DSA question (Queue implementation)
Java hash map is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
HashMap in Java implements the Map interface and allows null keys and values.
It uses hashing to store and retrieve key-value pairs, providing O(1) time complexity for get() and put() operations.
Example: HashMap
I appeared for an interview before Mar 2024.
When I was join there no assignment I think now they conducting
Find the second largest element from the array.
Sort the array in descending order and return the second element.
Iterate through the array and keep track of the two largest elements.
Use a priority queue to find the second largest element.
Sort array and return second last element
Use built-in sort function
Access second last element using array index -2
It was medium level question
I applied via Naukri.com and was interviewed before Apr 2023. There were 3 interview rounds.
Singleton class is a class that can only have one instance, while HashMap is not thread-safe but ConcurrentHashMap is.
Singleton class restricts instantiation to one object, ensuring a single instance throughout the application.
HashMap allows multiple threads to access and modify it concurrently, which can lead to data corruption in a multi-threaded environment.
ConcurrentHashMap is thread-safe and allows multiple thread...
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