BCA Semester 4 – Operating System () Questions & Answers | Past TU Exam Papers

Question 1

What do you mean by one-time password in authentication? How worms are differing from virus.

Marks: 5

Year: 2020 Final TU FOHSS

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

Question 2

What is biometric password in authentication? Explain the various system threats.

Marks: 5

Year: 2021 Final TU FOHSS

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

Question 3

What is meant by system threat? Explain different types of program threats.

Marks: 5

Year: 2023 Final TU FOHSS

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

Question 4

Explain methods of communication in a distributed system.

Marks: 5

Year: 2023 Final TU FOHSS

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