Exam 6: Business Networks and Telecommunications

The first generation of mobile communication technologies used_________ .

The process of associating a character-based name such as course.com with an IP address is called domain name resolution,and the domain name resolution service is DNS (Domain Name System).

_________are point-to-point dedicated digital circuits provided by telephone companies.

The _________standard was developed for devices that communicate with each other within a short range of up to 10 meters (33 feet) in the office,at home,and in motor vehicles.

With digital subscriber line (DSL),the data is transformed into analog signals.

A direct link to a wireless router or access point creates a hotspot.

_________allow Internet access to anyone within range who uses a wireless-equipped device,provided logging in is not limited by controlled access codes.

_________is a standard for software that digitizes and compresses voice signals and transmits the bits via the Internet link.

WiMAX is a(n)_________ technology.

_________fulfill organizational needs for reliable data communications while relieving the organization of the burden of providing its own network management and maintenance.

Each computer or device connected to a network must have a(n)_________ or proper networking circuitry,which connects through a cable or a wireless antenna to a hub,switch,bridge,or router,which in turn connects to a LAN or WAN.

What is the main drawback of wireless LANs?

Each generation of mobile communication technologies refers to a communication protocol or a combination of protocols.

A_________ can connect dissimilar networks and can be programmed to also act as a firewall to filter communications.

The Wi-Fi Protected Access (WPA) and WPA2 security protocols offer encryption.

FTTH is point-to-point transmission between two stationary devices,usually between two buildings,as opposed to mobile wireless,in which people carry a mobile device.

Businesses use_________ to save on travel costs and lodging,car fleets,and the time of highly salaried employees incurred on bringing together employees working in different organizations or at different sites in the same organization.

Permanent IP addresses assigned to servers and many other computers and devices are called_________ .

Large _________might have many constituent LANs and MANs on different continents.

Telecommunication companies offering fixed wireless service require franchise licenses.