Computer Knowledge Challenge

What is the primary purpose of a computer network?

• To store data locally on each device.

• To enhance the graphics performance of computers.

• To increase the speed of individual devices.

• The primary purpose of a computer network is to enable communication and resource sharing among connected devices.

Which protocol is used for secure data transmission over the internet?

• HTTPS

• POP3

• SMTP

• FTP

What does SQL stand for in database management?

• Standard Query Language

• Structured Query Language

• Structured Query List

• Simple Query Language

Which of the following is a NoSQL database?

• MongoDB

• SQLite

• PostgreSQL

• MySQL

What is the main function of an operating system?

• To run applications without user input

• To provide internet connectivity

• The main function of an operating system is to manage hardware and software resources on a computer.

• To store data permanently

Which layer of the OSI model is responsible for data encryption?

• Presentation layer (Layer 6)

• Network layer (Layer 3)

• Transport layer (Layer 4)

• Application layer (Layer 7)

What is the purpose of a firewall in cybersecurity?

• To store sensitive data securely.

• To provide antivirus protection for devices.

• The purpose of a firewall in cybersecurity is to protect networks by controlling traffic and preventing unauthorized access.

• To enhance the speed of network connections.

Which programming language is primarily used for web development?

• C++

• JavaScript

• Java

• Python

What does HTML stand for?

• Hyperlink Text Markup Language

• HyperText Markup Language

• HighText Markup Language

• HyperText MultiLanguage

Which of the following is a version control system?

• Subversion

• Mercurial

• Git

• Trello