Understanding Computer Networks

What is a computer network? a) A single computer b) A group of computers connected together c) Only the internet d) A method of information exchange

• A single user interface

• A type of hardware

• A collection of software programs

• b) A group of computers connected together

What does LAN stand for? a) Local Area Network b) Long Area Network c) Local Automated Network d) Long Automated Network

• Long Area Network

• Local Area Connection

• a) Local Area Network

• Local Area Node

Where are local area networks used? a) For long-distance communication b) In a local area (like a classroom or office) c) On a global scale d) Only for mobile phones

• b) In a local area (like a classroom or office)

• d) Only for mobile phones

• a) For long-distance communication

• c) On a global scale

What are the main functions of a computer network? a) Only storing information b) Information exchange, resource sharing c) Only turning off computers d) Encrypting data

• b) Information exchange, resource sharing

• c) Only turning off computers

• a) Only storing information

• d) Encrypting data

What is the main protocol of the internet? a) IP b) HTTP c) FTP d) IMAP

• a) IP

• SMTP

• SSH

• POP3

What does the TCP/IP protocol do? a) Turns off the network b) Manages data transmission c) Advertises on the internet d) Protects computers from viruses

• g) Monitors network traffic

• e) Connects to Wi-Fi

• b) Manages data transmission

• f) Encrypts data for security

What type of network is Wi-Fi? a) Wired network b) Wireless network c) Local network d) Global network

• Cellular network

• Satellite network

• Bluetooth network

• b) Wireless network

What is the purpose of a router? a) To connect computers b) To print documents c) To store data d) To play games

• To connect to the internet

• a) To connect computers

• To manage network security

• To provide wireless access

What does a modem do? a) Connects to the internet b) Stores files c) Prints documents d) Scans images

• g) Monitors system performance

• a) Connects to the internet

• e) Manages network traffic

• f) Encrypts data

What is a server? a) A type of computer b) A person who serves food c) A device for playing music d) A type of game console

• A type of printer

• A software application

• A type of smartphone

• a) A type of computer