Wide Area Networks Archives

URL Structure and Function (4 marks)

Describe the structure of a URL and discuss the role and function of a web browser in using URLs to access web content.

Explain the concept of packet switching and discuss its role in data transmission across networks.

Identify and explain two methods of routing traffic on a network.

Describe how routing costs are calculated and discuss one factor that might influence the cost of routing data in a network.

Explain the purpose of Domain Name System (DNS) servers and describe how they function within a network.

Describe the typical contents of a TCP/IP packet. List and briefly explain four main components found in a TCP/IP packet.

Explain how routers use IP addresses to forward data packets across the internet.

Compare and contrast LAN and WAN in terms of geographic scope.

Discuss how the use of a WAN can be beneficial for an organisation with offices in different cities.

Discuss the advantages and disadvantages of using cloud-based services for data storage.