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______, with respect to communications, is the time it takes a signal to travel from one location to another on a network.

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______ is the use of communications and information technology to provide and assist with medical care.

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On networks that use TCP/IP, ______ software can detect problems, such as why traffic is flowing slowly.


A) data tracking
B) speed monitoring
C) information routing
D) packet sniffing

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COGNITIVE ASSESSMENT Which of the following best defines throttling?


A) When a network reduces upload and download speeds of high-data users at peak times
B) When an ISP cuts off Internet usage after a certain amount of data is used
C) When a bottleneck occurs in a network's resources
D) When transmission media cannot connect to the network

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WiMax and UMB are competing standards for ______.


A) Ethernet
B) LTE
C) Wi-Fi
D) Bluetooth

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Critical Thinking Questions Case 10-1 You have taken a new job as a network administrator. Although you have been an IT professional within your organization for a number of years, this particular responsibility is a new one for you, so you have been studying network standards and protocols. You learn that all of the following are true about token ring networks  EXCEPT:


A) A token is a series of bits.
B) More than one token can exist on a token ring network.
C) The token ring is not as widely used today.
D) Some token ring networks connect up to 72 devices.

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Because of its high transfer rates, UWB is best suited for transmission of large files.

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Which of the following is most likely to be used for mobile phone payments?


A) Token ring
B) Bluetooth
C) IrDA
D) NFC

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COGNITIVE ASSESSMENT Which of the following is TRUE about Bluetooth?


A) If a computer or device is not Bluetooth-enabled, you must replace it in order to use Bluetooth.
B) Bluetooth connections have high security risks.
C) If a device has Bluetooth capability, using Bluetooth technology is free.
D) Bluetooth has high bandwidth.

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A home network can be as simple as using a cable to connect two devices.

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Because they are assigned randomly, you cannot use an IP address to determine a computer or device's location.

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Identify the letter of the choice that best matches the phrase or definition.

Premises
Consists of a single copper wire surrounded by at least three layers
A form of broadcast radio that is used widely for mobile communications
A network standard that specifies how two devices use short-range radio waves to communicate at high speeds with each other
Kind of network that is sometimes called a file sharing network
Examples of standards in this category include EDGE and UMTS
The core of this kind of cable consists of dozens or hundreds of thin strands of glass or plastic that use light to transmit signals.
This kind of device contains a small chip that allows it to communicate with other similar devices
Category of cellular transmission that transmits digital data at speeds up to 100 Mbps
Can be negatively affected by the distance between two points, the type of transmission media, and the number of nodes through which data must travel
Expected to provide artificial intelligence capabilities on wearable devices
Kind of cable designed to reduce noise
Protocol that defines how a network uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person
Contactless payment uses this technology.
A wireless transmission medium that distributes radio signals through the air over long distances
Type of lines that can be either analog or digital
Responses
UWB
3G
4G
latency
coaxial
Bluetooth
5G
dedicated
broadcast radio
P2P
RFID
cellular radio
fiber-optic
NFC
twisted-pair

Correct Answer

Consists of a single copper wire surrounded by at least three layers
A form of broadcast radio that is used widely for mobile communications
A network standard that specifies how two devices use short-range radio waves to communicate at high speeds with each other
Kind of network that is sometimes called a file sharing network
Examples of standards in this category include EDGE and UMTS
The core of this kind of cable consists of dozens or hundreds of thin strands of glass or plastic that use light to transmit signals.
This kind of device contains a small chip that allows it to communicate with other similar devices
Category of cellular transmission that transmits digital data at speeds up to 100 Mbps
Can be negatively affected by the distance between two points, the type of transmission media, and the number of nodes through which data must travel
Expected to provide artificial intelligence capabilities on wearable devices
Kind of cable designed to reduce noise
Protocol that defines how a network uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person
Contactless payment uses this technology.
A wireless transmission medium that distributes radio signals through the air over long distances
Type of lines that can be either analog or digital

To connect devices within your workspace, use a ______.


A) LAN
B) MAN
C) WAN
D) PAN

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Transmission from an earth-based station to a satellite is a(n) ______.


A) download
B) uplink
C) satlink
D) signal path

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______ is currently the most popular network standard for LANs.


A) Ethernet
B) Token ring
C) TCP/IP
D) LTE

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______ transmission often is called fixed wireless.


A) Microwave
B) Infrared
C) Coax
D) Fiber-optic

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______ is an electrical disturbance that can degrade network communications.

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Skype and FaceTime are examples of ______ services.


A) MMS
B) VoIP
C) SMS
D) Bluetooth

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The Internet is the world's largest ______.


A) LAN
B) MAN
C) WAN
D) PAN

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Larger networks typically use a switch, while smaller networks use a hub.

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Showing 41 - 60 of 86

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