Exam 3: Telecommunications and Networking

A Universal Resource Locator (URL)is used to locate packets in a network.

Which of the following is not an advantage of a wireless LAN versus a wired LAN?

A broadband service offered by telephone companies that uses copper wires already installed in homes and offices to connect to the Internet is referred to as:

Which statement about active RFID tags is not true?

A common transmission medium that consists of a heavy copper wire at the center,surrounded by insulating material,then a cylindrical conductor,and finally an outer protective plastic covering is called a:

Which statement describes a major difference between a LAN and a WAN?

Using an Infrastructure as a Service provider can enable an organization to avoid major capital investments for network equipment as well as computer servers and storage.

Which company was the most visible early adopter of using RFID for inventory management?

When data can be transmitted in both directions on a telecommunications line,but not simultaneously,the transmission type is referred to as:

By 2004,the number of cell phones in use in the United States was greater than the number of wired phones in homes.

Which statement about Bluetooth is not true?

Conversion of digital to analog signals so that the signals can travel over conventional telephone lines is accomplished with a device called a modem.

What is a key difference between 4G and 3G networks?

Which of the following OSI model layers receives a packet of data from the transport layer and adds header data to it to identify the route the packet is to take to its destination?

Which of the following is not a primary function performed by a telecommunications network?

What is a key characteristic of a dedicated line versus a switched line?