Exam 6: Telecommunications and Networks

The area covered by one or more interconnected wireless access points is commonly called a(n) _____.

The _____ is a device that combines data from multiple data sources into a single output signal that carries multiple channels.

Current Wi-Fi access points have a maximum range of about ______ outdoors.

A(n) _____ is a satellite ground station with a dish antenna smaller than 3 meters in diameter.

_____ distribution lets you send and receive documents in a digital form without printing them.

The RIM operating system is used in the _____ smartphone.

In a circuit-switching network, no fixed path is created between the communicating devices and the data is broken into packets for sending over the network.

Asymmetric DSL _____.

With centralized processing, multiple computer platforms are dedicated to special functions, such as database management, printing, communications, and program execution.

_____ is a wireless communications technology that transmits large amounts of digital data over short distances of up to 30 feet using a wide spectrum of frequency bands and very low power.

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

A(n) _____ are a type of two-dimensional barcode that can be scanned by users with smartphones to display text or connect to a wireless network and open a Web page on the smartphone's browser.

A personal area network is a wireless network that connects information networking devices within a small area, such as an office, home, or several floors of a building.

Broadband communications means high-speed, wireless communications.

'A VPN supports a secure, encrypted connection between an organization's private network and remote users.

_____ are NOT commonly used smartphone operating systems

A digital subscriber line deliver high-speed Internet access to homes and small businesses over existing phone lines.

Describe how GPS positioning works.

The signals from _____ GPS satellites are used to determine the accurate position of a GPS receiver.

Network management software controls the computer systems and devices in a network and allows them to communicate with each other.