A Level Computer Science - Chapter 2 Communication and Internet

What is a network in the context of communication and internet technology?

• A network is a group of interconnected devices or nodes that can communicate with each other.

• A network is a popular social media platform for professionals.

• A network is a type of fishing equipment used to catch marine animals.

• A network is a type of computer virus that spreads through interconnected devices.

Explain the concept of network topologies.

• Network topologies refer to the arrangement of different elements in a computer network.

• Network topologies are a type of exotic fruit found in tropical regions

• Network topologies are a type of mathematical equation used in computer programming

• Network topologies are related to the study of marine biology

What are the different types of transmission media used in communication and internet technology?

• Bluetooth and infrared media

• Wired and wireless media

• Satellite and microwave media

• Fiber optic and copper media

Describe the role of hardware in communication and internet technology.

• It enables the transmission of data and the functioning of communication and internet technology.

• It is only used for physical connections, not data transfer

• It only allows for the storage of data, not transmission

• It has no impact on communication and internet technology

What is Ethernet and how is it used in networking?

• Ethernet is a type of animal found in the rainforest.

• Ethernet is a type of software used for editing photos.

• Ethernet is a type of networking technology used for connecting devices in a local area network (LAN).

• Ethernet is a type of cable used to charge electronic devices.

Explain the infrastructure of the internet.

• The infrastructure of the internet is based on a series of interconnected mainframe computers.

• The infrastructure of the internet includes physical components such as cables, routers, and servers, as well as protocols and standards for communication.

• The infrastructure of the internet is made up of satellites and radio waves.

• The infrastructure of the internet consists of underground tunnels and fiber optics.

What is cloud computing and how does it relate to internet applications?

• Cloud computing is a method of storing data on physical clouds in the sky and it relates to internet applications by using the moisture in the clouds to power internet servers.

• Cloud computing is a type of extreme sport that involves using the internet to access virtual reality applications.

• Cloud computing is the delivery of computing services over the internet and it relates to internet applications by providing on-demand access to resources for hosting and running applications.

• Cloud computing is the study of weather patterns in the sky and it relates to internet applications by predicting internet speed based on cloud cover.

What is an IP address and how is it used in networking?

• A type of computer virus that can infect a network and cause it to crash

• A physical device used to connect multiple computers in a network

• A method of encrypting data sent over a network to ensure security

• A unique numerical label assigned to each device connected to a computer network

Explain the concept of domain names and their significance in internet technology.

• Domain names are only used by large corporations and have no impact on small businesses.

• Domain names are random strings of characters with no specific purpose.

• Domain names are used for sending emails and have no significance in internet technology.

• Domain names are human-readable addresses used to access websites and are significant in identifying and locating specific web resources on the internet.

What are the advantages of using a star network topology?

• Decentralized management, difficult to troubleshoot, and not scalable.

• Centralized management, easy to troubleshoot, and scalable.

• No management, easy to troubleshoot, and limited scalability.

• Limited management, hard to troubleshoot, and not flexible.