Câu hỏi trắc nghiệm về thiết bị mạng

Which networking device is used to connect multiple networks together, especially between a local area network (LAN) and a wide area network (WAN)?

• Hub

• Switch

• Router

• Access Point

Which device operates at layer 2 (Data Link Layer) of the OSI model?

• Router

• Switch

• Modem

• Firewall

Which device is used to convert signals between digital signals from a computer and analog signals of a telephone line?

• Modem

• Switch

• Router

• Hub

Which networking device allows multiple computers in a local network to share the same Internet connection?

• Switch

• Router

• Hub

• Access Point

Which device has the function of distributing network signals to multiple other devices in a LAN?

• Router

• Switch

• Modem

• Bridge

What is the main function of a Firewall in a network system?

• Distributing IP addresses to devices in the network

• Protecting the network from external threats

• Connecting different networks together

• Extending Wi-Fi coverage

Which device often integrates both the functions of a modem and a router?

• Switch

• Hub

• Gateway

• Firewall

Which networking device forwards data based on the MAC address of the receiving device?

• Switch

• Router

• Modem

• Firewall

To connect devices in a wireless local area network (Wi-Fi), which device do you need?

• Router

• Switch

• Access Point

• Hub

Which of the following is not a display device?

• Projector

• Touch screen

• Headphones

• TV