ODW Ch 6 (Communications and Network Technologies: Connecting through Computers)
True
In order to set up a device to join a wireless network, you need to know the network's SSID.
peer-to-peer
The network architecture pictured above is called
a protocol.
The rules that define how two devices communicate are called
frequency.
The speed with which a signal can change from high to low is called
2019
The wireless industry is generally expecting to work on defining 5G standards through
modulate; demodulate
The word modem comes from the combination of the words _____ and _____.
Router
This device in a home network allows you to connect multiple computers to one high-speed connection.
a network interface card
This hardware enables the computer without built-in networking capability to connect to the network.
LAN
This type of network is defined within a small area such as room or a building.
TCP/IP
This wired networking standard specifies the order in which data is sent through the network.
LTE
This wireless medium is expected to eventually replace WiMAX.
Bluetooth
This wireless medium provides short-range connectivity (3 to 300 feet, depending on a device's power class) to other devices that have the same hardware.
Wi-Fi
This wireless medium uses a series of access points to transmit signals to connected areas called hotspots.
lines on the telephone network
A DSL modem sends and receives data using
Router
A _____ is a device that allows you to connect two or more networks in either a wired or wireless connection.
Hub
A _____ is used on older LAN networks to coordinate the message traffic among nodes connected to a network.
Radio waves.
A cellular tower relays
Communications medium
A computer network consists of two or more computing or other devices connected by a
Fiber-optic cable
A high-speed transmission medium that uses a protected string of glass to transmit beams of light.
True
A medium in communications is some kind of network.
standards
Allow different devices to talk to one another
Server
Any combination of hardware and software that provides a service, such as storing data, to a device, such as your computer.
3
Approximately _____ percent of US adults still access the Internet using a dial-up modem.
Internet
Chapter 6 discusses a modification of the peer-to-peer network architecture called the _____ peer-to-peer network.
Analog and Digital
Chapter 6 discusses two kinds of signals used in transmitting voices and other sounds over a computer network:
False
Cloud-hosted software is stored on your computer.
govern the exchange of information.
Communications protocols
Send and receive data.
Devices use network protocols to
microbrowser
Devices using WAP to display web content have to contain a(n)
1 Gbps.
Ethernet networks are capable of speeds up to
beams of light.
Fiber-optic cable uses a protected string of glass that transmits
Half
Gartner Research forecasts that nearly _____ of large enterprises will have hybrid cloud systems by the end of 2017.
MAN
If you connect to a network through your phone or cable company, then you probably connect through a
Cars
In 10 years, what does the interviewee predict that smartphones and computers will be connected to?
Tracking and Data Relay Satellite
In January 2014 NASA launched its latest TDRS system into orbit. What does TDRS stand for?
NASA
In January 2016 _____ launched a satellite as part of a research project to monitor sea levels worldwide.
server
In a LAN, the _____ houses the networking software that coordinates the data exchange among the devices.
stores programs and files; is a device connected to the network
In a client/server network, the server _____ and the client _____.
the central server
In a network, the network operating system is installed on
Client; server
In a peer-to-peer network, each computer in the network can act as both a _____ and a _____
Switch
In the diagram above, when the firewall allows authorized access to the network, the request is passed directly to the
A
In the diagram above, which letter represents the device known as a firewall?
line of sight
Infrared's chief drawback in the electronics gadget world is that it requires
1 Pbps
Of the following bandwidth measurements, which represents the fastest transmission speed?
Fiber-optic
Of the following types of Internet connections, which represents the fastest speed range?
Bandwidth
On a computer network, the term _____ refers to the number of bits per second that can be transmitted over a communications medium.
the name of your network
SSID is
an Internet connection
Setting up a network allows users to share files, a printer, and
mirroring
The ability to stream content from a tablet or phone to a TV is called
Coaxial cable
The cable that is used to transmit cable television signals over an insulated wire at a fast speed.
4G; 100 Mbps
The current generation of cellular transmissions is called _____ and can transmit digital data at speeds of up to _____.
WPA2
The first choice for setting up encryption for wireless security should be
Analog (wavy)
The illustration marked A above depicts a(n) _____ signal.
Time
The illustrations above depict different types of signals. The arrow represents:
BLE.
The latest Bluetooth specification which uses less power is known as Bluetooth Smart or
Bandwidth
The number of bits per second that can be transmitted over the communications medium.
transponder.
The part of an RFID tag that sends the radio signal is called the
modem
The process of tethering essentially turns your mobile phone into a
frequency
The speed at which a signal can change from high to low is called
network architecture
This is the term used to refer to a network's design.
Institute of Electrical and Electronics Engineers (IEEE) This organization is one that is involved with developing and approving network standards.
This organization is one that is involved with developing and approving network standards.
cloud computing
This term is used to describe hosted services on the Internet.
physical layout of; how data moves around the network
Topology relates to the _____ the network but doesn't reflect _____.
telephone
VoIP is being implemented by companies to save money on their _____ service.
Coaxial
What type of cable is shown above?
Wireless bluetooth headset
What type of device is pictured above?
an Ethernet cable connecting a desktop to a router
Which of the following would not be considered a node on a network?
802.11
Wi-Fi refers to a network that is based on the _____ standard.
Install desktop application software on your computer.
With cloud computing, you never have to
ANSI; IEEE
_____ and _____ are organizations that develop standards that address the way devices communicate with one another.
WANs
_____ are used to share data between networks around the world.
Satellite
_____ communication is typically used for longer range transmissions, for international communications, and for connectivity in rural areas.
Cat 5
_____ is an example of twisted-pair cable used in many wired networks.
The Internet
_____ is, in essence, a giant WAN.
Client
A computer or other device capable of sending data to and receiving data from any combination of hardware and software on a network.
high-frequency radio signal
A microwave is a(n) _____ that is directed from one microwave station tower to another.
Hybrid Cloud
A _____ is created when a company manages some computing resources and data in-house, but also has other services provided by outside vendors.
Distributed application
A client/server network is considered to be a(n) _____ architecture.
broadband
A communications medium that carries a large amount of data at a fast speed is called
Broadband
A communications medium that is capable of carrying a large amount of data at a fast speed is known as
Protocol
A standard that specifies how two devices can communicate is called a
Network Protocol
A(n) _____ is a set of rules for how data is handled as it travels along a communications channel.
NIC
A(n) _____ is a type of network adapter.
Android and iOS
According to the interviewee, which two ecosystems are the majority of people currently choosing between?
Apple and Google are too proprietary
According to the interviewee, why is it not currently possible to unite the two major ecosystems?
Continuous sound waves; fluctuate between high and low
An analog signal is formed by _____ that _____.
Google Docs
An example of software on demand is
hands-free operation.
Bluetooth headsets like the one shown above are popular with smartphone users because they offer
short-range; radio waves
Bluetooth is a network protocol that offers _____ connectivity via _____.
802.16
By what other name is the WiMAX standard known?
a communication medium and a common protocol.
Communication involves someone who sends a message and someone who receives a message, as well as
Communications system
Computer hardware and software is used to facilitate the exchange of data between a sender and a receiver.
WiMAX
LTE is generally expected to replace _____ networks in the future.
energy
One disadvantage of Wi-Fi Direct compared with Bluetooth is that Wi-Fi Direct uses more
cloud storage.
Online storage of your email messages is an example of
True
RF can work with voice and gesture controls.
Radio Frequency Identification
RFID is an acronym that stands for
Bandwidth
Twisted-pair cable, the number of bits per second that can be transmitted over the communications medium.
Twisted-pair cable
Used for wired telephone connections.
Wireless network
Uses a high-speed connection without the need for a physical cable between each computer.
6 to 20 Mbps/6 to 40 mbps *bug of SNAP, there are two version of answers
What is the typical speed range of a DSL network connection?
Extranet
When a company offers an extension of its internal network for the use of suppliers or customers, this is referred to as a(n)
Coffee Maker
Which of the following devices might be included in the Internet of Things (IoT)?
Smartphone
Which of the following is not a transmission medium?