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10+ Prescient Healthcare Group Interview Questions and Answers
Q1. XOR Query Problem Statement
Assume you initially have an empty array called ARR. You are required to return the updated array after executing Q number of queries on this array.
There are two types of queries to...read more
Q2. Minimum Removals Problem Statement
Given an integer array ARR of size N and an integer K, determine the minimum number of elements that need to be removed so that the difference between the maximum and minimum ...read more
Q3. Minimum Number of Stabs to Kill the King
You are given the initial health of a king represented by an integer N. Your task is to determine the minimum number of stabs required to reduce the king's health to zer...read more
Q4. Minimum Time Problem Statement
In a city with ‘N’ junctions and ‘M’ bi-directional roads, each junction is connected to other junctions with specified travel times. No road connects a junction to itself, and on...read more
Q5. Scramble String Problem Statement
You are given an integer 'N' and two strings S and R, each having the size N. Determine if you can scramble string S to obtain string R using specified operations.
Your task is...read more
Q6. What is the port used for HTTP?
Port 80 is used for HTTP, which is the protocol used for transmitting web pages over the internet.
Port 80 is the default port for HTTP
HTTP stands for Hypertext Transfer Protocol
Other common ports include 8080 for alternative HTTP port
Q7. Explain OSI model and working of each layer?
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
Layer 1 (Physical): Deals with physical connections and data transmission. Example: Ethernet cables.
Layer 2 (Data Link): Manages data transfer between devices on the same network. Example: MAC addresses.
Layer 3 (Network): Handles routing and forwarding of data packets. Example: IP addresses.
Layer 4 (Transport): Ensures reliable data transfer bet...read more
Q8. Boot process of linux
The Linux boot process involves several stages, including BIOS/UEFI, bootloader, kernel initialization, and user space initialization.
BIOS/UEFI performs hardware checks and loads bootloader
Bootloader (GRUB, LILO) loads kernel into memory
Kernel initializes hardware, mounts root filesystem, and starts user space processes
User space initialization includes starting system services and login prompt
Q9. Rhel6 vs rhel 7
RHEL 7 offers improved performance, security features, and support for newer hardware compared to RHEL 6.
RHEL 7 has better performance due to kernel improvements and optimized resource management.
RHEL 7 includes enhanced security features such as SELinux improvements and system-wide cryptographic policies.
RHEL 7 provides support for newer hardware and technologies, such as Docker containers and systemd.
RHEL 7 offers improved networking capabilities and better integration with...read more
Q10. How to deal Irate customer
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