B.S.W.E. Bachelor of Software Engineering Computer Networks & Security 3

Question 1

What is the three-way handshake in TCP?

Accepted Answer

A three-step process (SYN, SYN-ACK, ACK) for establishing a TCP connection between client and server

Answer

A three-step process for closing a TCP connection gracefully

Answer

A method for exchanging encryption keys in TLS

Answer

A three-packet process for sending large files over TCP

Question 2

What does OAuth 2.0 provide in web security?

Accepted Answer

An authorization framework allowing third-party apps to access user resources without exposing credentials

Answer

End-to-end encryption for API communication

Answer

A protocol for encrypted password storage

Answer

A method for two-factor authentication

Question 3

Which concept in network security refers to granting users only the minimum permissions necessary to perform their job?

Accepted Answer

Principle of Least Privilege

Answer

Defense in Depth

Answer

Zero Trust Architecture

Answer

Role-Based Access Control

Question 4

What is a Man-in-the-Middle (MITM) attack?

Accepted Answer

An attacker who secretly intercepts and potentially alters communications between two parties

Answer

An attacker who disrupts communications by flooding the network

Answer

An insider threat from a mid-level employee

Answer

A phishing attack targeting middle management

Question 5

What is the function of an SSL/TLS certificate?

Accepted Answer

To authenticate the identity of a website and enable encrypted communication via public key infrastructure

Answer

To compress web traffic for faster delivery

Answer

To cache static assets at the edge of the network

Answer

To manage user session cookies securely

Question 6

What does 'hashing' accomplish in the context of password storage?

Accepted Answer

It transforms a password into a fixed-length, irreversible digest so the original password is never stored

Answer

It encrypts passwords so they can be decrypted later by admins

Answer

It compresses passwords to save database storage space

Answer

It generates a unique session token for each user login