Experian Interview Questions and Answers

Round robin algorithm is a scheduling algorithm that assigns equal time slices to each process in a circular manner.

• Assigns time slices to processes in a circular manner

• Each process gets an equal amount of time before moving to the next process

• Helps in achieving fairness in process scheduling

• Used in network load balancing, CPU scheduling, and disk scheduling

A flag is a variable used in programming to indicate a certain condition or state.

• Flags are commonly used in conditional statements to determine the flow of a program.

• They can be set to true or false, 1 or 0, or any other value that represents a certain state.

• Examples of flags include 'is_logged_in', 'has_permission', and 'is_valid'.

Leaky bucket algorithm is a method of controlling traffic in a network.

• It is used to prevent network congestion.

• It works by limiting the rate at which data is transmitted.

• Data is stored in a 'bucket' and released at a constant rate.

• If the bucket overflows, excess data is discarded.

• It is commonly used in Quality of Service (QoS) implementations.

The cyber attack kill chain outlines the stages of a cyber attack from initial reconnaissance to execution.

• 1. Reconnaissance: Attackers gather information about the target, such as IP addresses and employee details.

• 2. Weaponization: Creating a malicious payload, like a virus or exploit, to deliver to the target.

• 3. Delivery: Transmitting the weapon to the target, often via email attachments or malicious links.

• 4. Exploitation: The malicious code is executed on the target system...read more

VPN stands for Virtual Private Network. Site-to-site VPN allows multiple locations to securely connect over the internet.

• VPN creates a secure connection over the internet, allowing users to access a private network remotely.

• Site-to-site VPN connects multiple locations of a company securely over the internet.

• Site-to-site VPN uses IPsec (Internet Protocol Security) to encrypt data and ensure secure communication.

• Example: A company with offices in different cities can use site-t...read more