Networks：练习题

What is the primary function of a router in a home network?

Which network device is designed to improve efficiency by sending data packets only to the specific port of the intended recipient rather than broadcasting to all ports?

In network infrastructure, what is the primary purpose of a bridge?

Which of the following is a characteristic of a Local Area Network (LAN)?

Which statement correctly describes a characteristic of an intranet?

State the primary difference between a Local Area Network (LAN) and a Wireless Local Area Network (WLAN) in terms of physical connectivity.

Describe the function of a Network Interface Card (NIC) and explain its role in allowing a computer to communicate on a network.

Evaluate the use of cloud computing for enterprise data storage compared to using on-site internal storage devices, focusing on scalability and accessibility.

A homeowner wants to set up a Wireless Local Area Network (WLAN) for their small home office.
(a) Define what is meant by a WLAN.
(b) Identify two hardware devices needed to allow laptops and tablets to connect to this network wirelessly.

A school is deciding whether to use a hub or a switch to connect computers in a computer lab.
(a) Describe how a hub transmits data received from one computer to other devices on the network.
(b) Explain why a switch is considered more efficient than a hub in managing network traffic.