Lesson 3: Networking

What is a network?

• A) A network is formed by connecting printers together.

• B) An internet is formed by connecting networks together.

• C) Network infrastructure refers to the software programs that support networking and the internet.

• D) A network is formed by connecting computers together.

What is the function of a router in a network?

• A) A router forwards data packets from one computer network to another and enables connection sharing.

• B) A router is a device that converts the incoming signal into a digital signal that can be sent

• C) A router is a device that forwards data packets from one computer to another within a LAN.

• D) A router is a device that enables wireless connections in a network.

What is the difference between LANs and WANs?

• A) LANs are private networks, while WANs are public networks.

• B) LANs are wireless networks, while WANs are wired networks.

• C) LANs use Ethernet technology, while WANs use Wi-Fi technology.

• D) LANs are small networks, while WANs are large networks.

What is the difference between Ethernet and Wi-Fi?

• A) Ethernet is a wired connection, while Wi-Fi is a wireless connection.

• B) Ethernet uses 2.4GHz and 5GHz frequency bands, while Wi-Fi uses only 2.4GHz frequency band.

• C) Ethernet is recommended for transmitting important and sensitive data or high-volume streaming, while Wi-Fi is not.

• D) Ethernet is faster than Wi-Fi.

What is the function of a modem in a network?

• A) A modem forwards data packets from one computer network to another.

• B) A modem is a device that converts the incoming signal into a digital signal that can be sent to a computer or to a router.

• C) A modem is a device that enables wireless connections in a network.

• D) A modem is a device that enables sharing of files and resources in a network.

How can you connect to a WLAN?

• A) By plugging a cable into your computer and the WLAN.

• B) By using a modem to connect to the WLAN.

• C) By finding available wireless networks, clicking a network to select it, and entering the network security key if it is secured.

• D) By using Ethernet technology to connect to the WLAN.

What is the function of a network interface card (NIC) in a network?

• A) A NIC forwards data packets from one computer network to another and enables connection sharing.

• B) A NIC converts the incoming signal into a digital signal that can be sent to a computer or to a router.

• C) A NIC enables wireless connections in a network.

• D) A NIC sends and receives data between your computer and the network and includes an Ethernet port (Network Port).

What are the different Ethernet standards?

• A) 2.4GHz and 5GHz.

• B) Gigabit Ethernet (1Gbps), Fast Ethernet (100Mbps), and 10Base-T Ethernet (10Mbps).

• C) TCP/IP and HTTP.

• D) LAN and WAN.

What is the function of TCP/IP in a network?

• A) TCP/IP forwards data packets from one computer network to another and enables connection sharing.

• B) TCP/IP converts the incoming signal into a digital signal that can be sent to a computer or to a router.

• C) TCP/IP enables wireless connections in a network.

• D) TCP/IP is the networking protocol used by data networks.

What is the purpose of an IP address in a network?

• A) To enable wireless connections in a network.

• B) To forward data packets from one computer network to another.

• C) To convert the incoming signal into a digital signal that can be sent to a computer or to a router.

• D) To uniquely identify each computer that participates in a data network.