Exam 4: Computer Networks

Case 4-3 Akira is a freelance content writer and uses the Internet to research about the topics that she works on. She needs constant high-speed Internet connectivity to upload and download necessary information. To facilitate communication between the devices on the network, Akira wants to use a wired network connection with the devices using networking cables . Here, Akira can use a(n) _____, which sends the data only to the intended device rather than sending it to all connected devices.

Communication that takes place through a telephone is an example of simplex transmission.

Ashley wants to use wireless devices while working on her desktop computer. She buys a new wireless keyboard and a wireless mouse that are compatible with her existing computer system. Which of the following wireless standards should she use to connect the devices to her computer?

With _________, messages are separated into small units called packets. A)packet switching B)packet downturn C)packet inflation D)packet tunneling

Case 4-1 Michael, the owner of a new retail store, sets up a business network to communicate with fellow retailers and to attract customers. Michael plans to indulge in various networking applications that can be used in his business. Which of the following networking technologies can he use to conduct meetings with retailers in other parts of the world?

Identify how wireless networks differ from wired networks.

In the accompanying figure, data is represented as _____.

The current standards for cellular networks today in the United States is 5G.

The term modem is often used interchangeably with network adapter when describing devices used to obtain Internet access via certain networks.

Individual Bluetooth networks are called piconets.

Case 4-2 Arnold takes his networking trainer Ron's help to learn about the array of new communications technologies that are being used today. Ron provides various instances and examples that can help Arnold identify different communication protocols and standards. Ron tells Arnold that both the HomePNA Alliance and the HomeGrid Forum are promoting a technology as a unified worldwide standard. Which of the following standards is Ron talking about here?

A computer network is a collection of _____.

Case 4-1 Michael, the owner of a new retail store, sets up a business network to communicate with fellow retailers and to attract customers. Michael wishes to connect all the computers in his office in such a way that if one device in the connection fails, the network can still function, assuming an alternate path is available. He also wants to ensure that data can take any of several possible paths from source to destination. Which of the following topologies should Michael use to connect the devices?

In a client-server network, a(n) _________ is a computer that is dedicated to processing client requests. A)server B)client C)network D)router

Which of the following statements is true of the global positioning system (GPS) ?

Which of the following statements is true of videoconferencing?

In a client-server network, network clients  provide access to software, files, and other resources that are being shared via the network.

Case 4-3 Akira is a freelance content writer and uses the Internet to research about the topics that she works on. She needs constant high-speed Internet connectivity to upload and download necessary information. If Akira needs to connect the Internet to a local area network (LAN), she should use a(n) _____, which passes data on to the intended recipient only and plans a path through the network to ensure that the data reaches its destination in the most efficient manner possible.

Which of the following statements is true of Wi-Fi (802.11)?

Video data requires the most amount of bandwidth when compared to text data.