BCA Semester 4 – Operating System – Unit 8: Security Management (3Hrs.)

1. One-Time Password (OTP) Definition: A one-time password (OTP) is a password that is valid for only one login session or transaction. It is used to enhance security during authentication. Key

1. Biometric Password in Authentication Definition A biometric password is an authentication method that uses a person’s unique biological or behavioral characteristics instead of traditional text-ba

1. System Threat A system threat is a type of security threat that targets the entire computer system or network, aiming to misuse system resources, disrupt services, or gain unauthorized control. Ex

Introduction In a distributed system, multiple computers (nodes) communicate with each other over a network to share data and resources. Communication methods define how processes running on differe