Exam 10: Communications and Networks: Sending and Receiving Digital Content

COGNITIVE ASSESSMENT Which of the following technologies is your new remote control most likely to use?

COGNITIVE ASSESSMENT Which group developed the WiMAX standard?

On a network such as the one illustrated in the accompanying figure, if one node fails, as long as that node is not providing services to other nodes on the network, what happens?

IP hijacking is one of the largest Internet security threats.

COGNITIVE ASSESSMENT You want to use the UMB cellular transmission standard on your new mobile phone. Which standard will you use?

On a token ring network, a packet is a special series of bits that function like a ticket, allowing the device with the packet to transmit data over the network.

COGNITIVE ASSESSMENT Which of the following statements best describes the Ethernet network standard?

Data transmitted on a ring network like the one shown in the accompanying figure travels from device to device around the entire ring, in both directions.

On what kind of network, such as that illustrated in the accompanying figure, do one or more computers act as a server and the other computers on the network request services from the server?

Which of the following is true of the installation of a network like the one shown in the accompanying figure?

Which of the following is an earth-based reflective dish that contains the antenna, transceivers, and other equipment necessary for microwave communications?

With TCP/IP, each packet contains data as well as the recipient (destination), origin (sender), and the sequence information used to reassemble the data at the destination.

For best performance of a communications channel, which of the following should be true?

The most popular T-carrier line is the ____________________ line.

Critical Thinking Questions Case 10-2 The area of network communications standards is an area with which you are not familiar, so you have decided to study it in some detail. You expect to have to network a wide range of devices in the near future, so this is a timely subject of study. You are looking for a technology that will replace the requirement for a line-of-sight transmission between devices like digital cameras, fax machines, and printers, and you also would like the data transfers between the devices to occur at a rate of up to 3 Mbps. Which of the following network standards is a good match for your needs?

COGNITIVE ASSESSMENT Which of the following technologies is your new inventory tracking system at your small business most likely to use?

Microwave transmission involves sending signals from one microwave station to another. What is this often called?

Discuss a dedicated line and briefly describe the different types of dedicated lines.

COGNITIVE ASSESSMENT Which of the following statements is not true of Wi-Fi?

Which of the following is the maximum transfer transmission rate for communications satellites?