AMCAT Networking and Web Technologies 3

Question 1

What is the difference between symmetric and asymmetric encryption?

Accepted Answer

Symmetric encryption uses one shared key for both encryption and decryption; asymmetric uses a public-private key pair

Answer

Symmetric encryption is slower than asymmetric encryption

Answer

Asymmetric encryption does not require any keys

Answer

Symmetric encryption is only used for file storage, not network communication

Question 2

In HTML5, what is the purpose of the <canvas> element?

Accepted Answer

To create a drawing surface for rendering 2D graphics dynamically using JavaScript

Answer

To embed audio and video content

Answer

To display static images like the <img> tag

Answer

To create form input fields

Question 3

What is the purpose of the ARP (Address Resolution Protocol)?

Accepted Answer

To convert IP addresses to MAC addresses on a local network

Answer

To convert domain names to IP addresses

Answer

To route packets between different networks

Answer

To establish encrypted connections between hosts

Question 4

Which of the following best describes a RESTful API?

Accepted Answer

An architectural style that uses standard HTTP methods, is stateless, and represents resources through URIs

Answer

An API that uses only POST requests for all operations

Answer

An API that requires WebSocket connections

Answer

An API that only returns XML data

Question 5

What is the maximum number of usable host addresses in a /24 subnet?

Accepted Answer

254

Answer

256

Answer

255

Answer

252

Question 6

What is the role of a load balancer in web architecture?

Accepted Answer

To distribute incoming network traffic across multiple servers to ensure no single server is overwhelmed

Answer

To compress web content before sending it to clients

Answer

To cache static content at the edge

Answer

To encrypt all traffic between the client and server