Exam 6: Telecommunications and Networks

Long Term Evolution (LTE) is a standard for wireless communications for mobile phones based on ______.

When used for data transmission, coaxial cable falls in the middle of the guided transmission media in terms of cost and performance.

A(n) _____ is a location where an organization handles customer and other telephone calls, usually with some amount of computer automation.

A(n) ______ is a telecommunications network that connects large geographic areas.

Briefly describe a general model of telecommunications.

Which of the following statements is true of the National Do Not Call Registry?

A _____ is one in which all network devices are connected to one another through a single central device called the hub node.

Mbps stands for _____.

_____ is a 4G alternative based on a set of IEEE 802.16 wireless metropolitan area network standards that support various types of communications access.

Network management software is a system software that controls the computer systems and devices on a network and allows them to communicate with each other.

A(n) _____ channel permits data transmission in both directions at the same time.

To determine its position, a global positioning system (GPS) receiver receives the signal from four GPS satellites and determines its exact distance from each satellite.

_____ is a developing network wireless communications standard designed to carry small amounts of data at fairly low bandwidth of 20 Kbps to 250 Kbps over midrange distances or 100 meters or so using very little power.

_____ is a form of communications that sends signals at a frequency of 300 GHz and above-higher than those of microwaves but lower than those of visible light.

_____ is a wireless communications specification that describes how cell phones, computers, and printers can be connected over distances of 10 to 30 feet at a rate of about 2 Mbps and allows users of multifunctional devices to synchronize information.

Discuss the benefits associated with telecommuting.

Because only two devices participate in the communications, Near Field Communication (NFC) establishes a(n) _____ network.

One of the primary components of electronic funds transfer (EFT) is wire transfer.

_____ operates like Wi-Fi, only over greater distances and at faster transmission speeds.

_____ are a type of two-dimensional bar code that can be scanned by users with a smartphone camera that is equipped with the appropriate software to display text or connect to a wireless network and open a Web page in the smartphone's browser.