CIS 141 Ch.7
Unlock all answers in this set
Unlock answersquestion
Similar to Wi-Fi, ______ is designed to provide Internet access to fixed locations (sometimes called hotzones), but the coverage is significantly larger.
answer
WiMAX
question
______ is typically used with LANs that have a star topology and can be used in conjunction with twisted-pair, coaxial, or fiber-optic cabling.
answer
Ethernet
question
The accompanying figure displays a ____.
answer
Coaxial cable
question
______ transmissions are used with cell phones and are sent and received via cellular (cell) towers.
answer
Cellular radio
question
______ is the use of networking technology to conduct real-time, face-to-face meetings between individuals physically located in different places.
answer
Videoconferencing
question
Robert is a medical writer for a pharmaceutical company. The company allows robert to work from home. Robert's job is a(n) _______ job.
answer
Telecommuting
question
Gabrielle is the network administrator at a medium-sized company. One of her responsibilities is to purchase network devices to maintain the company network. Gabrielle would like to purchase a new _______, which would be used to connect the company's LAN and the Internet.
answer
Router
question
Technically, to be called a _____, a device must convert digital signals (such as those used by a computer) to modulated analog signals (such as those used by conventional telephone lines) and vice versa.
answer
Modem
question
The technique used for data sent over the Internet is ______.
answer
Packet Switching
question
______ satellites travel at a speed and direction that keeps pace with the earth's rotation, so they appear (from earth) to remain stationary over a given spot.
answer
Geosynchronous
question
_____ was originally developed to carry a large number of high-speed video transmissions at one time, such as to deliver cable TV service.
answer
Coaxial Cable
question
ONe type of mobile phone that might be used when mountain climbing far from any cellular tower is a ________.
answer
Satellite Phone
question
_____ technology is commonly used to monitor the status of objects, such as shipping boxes, livestock, or expensive equipment to which these types of tags are attached.
answer
RFID
question
A ______ is a network that covers a relatively small geographical area, such as a home, office building, or school.
answer
Local Area Network (LAN)
question
A global positioning system (GPS) consists of ______ and a group of GPS satellites.
answer
GPS receivers
question
The ______ network consists of 24 Department of Defense satellites that are used for location and navigation purposes.
answer
Global Positioning System (GPS)
question
_____ refers to the amount of data that can be transferred (such as over a certain type of networking medium) in a given time period.
answer
Bandwidth
question
Monitoring systems may also use ______,which are devices that respond to a stimulus (such as light, heat, or pressure) and generate an electrical signal that can be measured or interpreted.
answer
Sensors
question
Gabrielle realizes that to improve network performance, she needs to buy and install a ______, which identifies the device on the network for which the data is intended and sends the data to that device only.
answer
Switch
question
______ is a wireless standard that is designed for very short range (10 meters , approximately 33 feet or less) connections.
answer
Bluetooth
question
A _______ transmits all data received to all network devices connected to it, regardless of which device the data is being sent to.
answer
Hub
question
A network adapter, also called a _____ when it is in the form of an expansion card, is used to connect a computer to a network.
answer
Network Interface Card (NIC)
question
In a _____,there are a number of different connections between the devices on the network so that data can take any of several possible paths from source to destination.
answer
Mesh Network
question
The _____ allows individuals to "placeshift" multimedia content from their home TVs and DVRs to their portable computer or mobile device
answer
Slingbox
question
The accompanying figure shows a _____ network.
answer
Star Network
question
Some wireless ______ are created by cities or large organizations to provide free or low-cost Internet access to residents of a particular area.
answer
Metropolitan Area Network (MANs)
question
The Wi-Fi standard _____ is no longer manufactured (but is backwards compatible with one of the other newer standards.)
answer
802.11b
question
A means to provide a wireless connection to a peripheral devices. This is similar to, but different from, Bluetooth.
answer
Wireless USB
question
Gabrielle is the network administrator at a medium-sized company. One of her responsibilities is to purchase network devices to maintain the company network. Gabrielle is planning to connect selected devices to the network wirelessly with a wireless ____.
answer
Access Point
question
____ is the use of networking technology to provide medical information and services.
answer
Telemedicine
question
In a ____ network, there are a number of different connections between the devices on the network so that data can take any of several possible paths from source to destination.
answer
Mesh
