IT Knowledge Challenge

What is the primary purpose of a router in a computer network?

• To connect devices within the same network.

• To store data packets for later use.

• To provide internet access to a single device.

• The primary purpose of a router is to direct data packets between different networks.

Define the term 'primary key' in database management.

• A primary key is a unique identifier for a record in a database table.

• A primary key is a type of foreign key in a database.

• A primary key is used to store large amounts of data.

• A primary key can contain duplicate values in a table.

What does HTML stand for?

• Hyperlink Text Markup Language

• HyperText Markup Language

• HighText Markup Language

• HyperText Markup Tool

Explain the concept of 'virtualization' in cloud computing.

• Virtualization refers to the physical separation of cloud resources from the internet.

• Virtualization is a method of increasing the physical size of cloud storage by compressing data.

• Virtualization is the process of creating virtual instances of physical resources in cloud computing, allowing for efficient resource management and scalability.

• Virtualization is the process of duplicating physical hardware without any software management.

What is the difference between TCP and UDP?

• TCP is reliable and connection-oriented, while UDP is faster and connectionless.

• UDP is more reliable than TCP and guarantees data delivery.

• TCP and UDP are both connection-oriented protocols with the same speed.

• TCP is faster and connectionless, while UDP is reliable and connection-oriented.

What is a foreign key in a relational database?

• A foreign key is a field that contains only null values.

• A foreign key is a type of index that speeds up database queries.

• A foreign key is a field in a relational database that links to the primary key of another table, establishing a relationship between the two.

• A foreign key is a unique identifier for a record in the same table.

Name one popular front-end framework used in web development.

• React

• Vue.js

• Angular

• Bootstrap

What is the purpose of cloud storage?

• To store data only on local devices.

• The purpose of cloud storage is to store and manage data remotely, enabling easy access and sharing.

• To prevent data from being accessed remotely.

• To increase the physical size of hard drives.

What is an IP address?

• A physical device that connects to the internet.

• An IP address is a unique numerical label assigned to each device on a network.

• A type of software used to manage networks.

• A protocol for sending emails.

Describe the role of a web server in hosting websites.

• A web server is responsible for designing the layout of a website.

• A web server manages user accounts and permissions for website access.

• A web server hosts websites by storing and delivering web content to users upon request.

• A web server only stores images and videos for websites.