Home » Undergraduate study » Module 10: Communicating Digital Content
Which generation was the first to introduce MMS?
Which of the following is NOT true about Wi-Fi networks?
Wi-Fi accesses the network in conjunction with the TCP/IP standard.
Wi-Fi is often used to provide hot spots.
Devices only support one Wi-Fi standard.
Wi-Fi is short for wireless fidelity.
802.11 is a series of standards to identify networks.
Wi-Fi
fiber optic
LTE
coax
Because of its high transfer rates, UWB is best suited for transmission of large files. Answer:True
A(n) device initiates an instruction to transmit data, instructions, or information.
sending
startup
communications
delivery
Each computer or device on a network is called a(n) .
module
receiver
transmitter
node
Which of the following is most likely to be used by a LAN?
Token ring
Bluetooth
IrDA
NFC
Which of the following is NOT true about NFC?
You can purchase blank NFC tags at a reasonable cost.
For successful communications, the devices must not touch or come within 6 inches of each other.
It is based on RFID.
It stands for near field communications.
A(n) is an internal network that uses Internet technologies. Answer:intranet
transmission often is called fixed wireless.
Coax
Fiber-optic
Microwave
Infrared
Because they are assigned randomly, you cannot use an IP address to determine a computer or device’s location. Answer:False
What is the purpose of ANSI and IEEE?
To administer network security
To create the Internet backbone
To propose, develop, and approve network standards
To specify communications channels
Which of the following is most likely to be used for mobile phone payments?
Token ring
Bluetooth
IrDA
NFC
Which of the following best defines Bluebugging?
The installation of Bluetooth security software
When two Bluetooth devices are connected
When Bluetooth technology runs slowly because of interference with other wireless networks
When cyberthieves exploit Bluetooth devices that are paired
Some smartphones can also function as a wireless modem. Answer:True
An RFID reader is also called a(n) .
responder
receiver
transceiver
transponder
A WAN can be one large network or can consist of multiple LANs. Answer:True
Transmission from an earth-based station to a satellite is a(n) .
signal path
uplink
satlink
download
A standard that outlines characteristics of how two devices communicate on a network is called a(n) . Answer:protocol
To connect devices within your workspace, use a .
RFID stands for frequency identification. Answer:radio
For which of the following purposes would a business use EDI?
To keep track of inventory
To monitor network traffic
To send bids and proposal
To process payments
On networks that use TCP/IP, software can detect problems, such as why traffic is flowing slowly.
speed monitoring
data tracking
packet sniffing
information routing
is the use of communications and information technology to provide and assist with medical care. Answer:Telemedicine
A(n) device accepts the transmission of data, instructions, or information. Answer:receiving
The process in which two or more computers or devices transfer data, instructions, and information is known as digital communications. Answer:True
Devices that share a Bluetooth connection are said to be . Answer:paired
You have been chosen as a teaching assistant in your networking class. Your instructor asks you to prepare a presentation on network standards.
You mention in your report that IrDA uses to transfer data wirelessly.
radio signals
laser beams
sound waves
light waves
Bluetooth technology is standardized globally, so it can be used to connect devices that are not of the same make or model. Answer:True
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 TCP/IP EXCEPT:
It defines how messages are routed from one end of a network to the other.
When a computer sends data over the Internet, the data is grouped into a single packet.
TCP/IP is the network standard for Internet communications.
It is short for Transmission Control Protocol/Internet Protocol.
Skype and FaceTime are examples of services.
Mapping, monitoring speed, and determining altitude all are uses of .
NFC
GPS
microwaves
infrared
Net is the concept of open Internet, accessible to all users, without interference from ISPs or other third-parties.
fairness
expansion
neutrality
freedom
is currently the most popular network standard for LANs.
Ethernet
Token ring
LTE
TCP/IP
On a P2P network, “P” stands for . Answer:peer
With MMS, users can send and receive photos, videos, and audio files. Answer:True
Some DSL installations include a dial tone, providing users with both voice and data communications. Answer:True
Ethernet is a network standard that specifies that computers and devices on the network share or pass a special signal in a unidirectional manner and in a present order. Answer:False
Which of the following is most likely to be used by a remote control?
Token ring
Bluetooth
IrDA
NFC
A(n) line is a type of always-on physical connection between two communications devices. Answer:dedicated
Which of the following is NOT true about client/server networks?
Connections may be wired or wireless.
One or more computers act as the server.
Client/server networks do not typically require a network administrator.
The clients are computers and mobile devices that relay on the server for resources.
When you use a network to share software, you sometimes have to install the software on your computer, and a server on the network manages the licenses. Answer:False
You have been chosen as a teaching assistant in your networking class. Your instructor asks you to prepare a presentation on network standards.
You mention in your report that the standard requires line-of-sight transmission.
hotspot
Bluetooth
UWB
IrDA
The main difference between network classifications is the number of computers and devices connected to it. Answer:False
is an electrical disturbance that can degrade network communications. Answer:Noise
A BAN is a type of PAN that wirelessly connects sensors worn by, carried by, implanted in, or attached to a human body. Answer:True
, with respect to communications, is the time it takes a signal to travel from one location to another on a network. Answer:Latency
Bluetooth devices need to be within the same line of sight. Answer:False
Without a data plan, you must use Wi-Fi or a wired connection to access the Internet. Answer:True
A city or town likely uses a(n) .
Which of the following is TRUE about Bluetooth?
If a computer or device is not Bluetooth-enabled, you must replace it in order to use Bluetooth.
Bluetooth has high bandwidth.
If a device has Bluetooth capability, using Bluetooth technology is free.
Bluetooth connections have high security risks.
Routers along the Internet backbone forward data packets to their destination using the fastest available path. Answer:True
Home and small business users purchase T1 lines, in which they share a connection with others.
divided
split
multiuser
fractional
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:
More than one token can exist on a token ring network.
The token ring is not as widely used today.
Some token ring networks connect up to 72 devices.
A token is a series of bits.
is a network protocol that defines how two devices use short-range radio waves to transmit data. Answer:Bluetooth
With P2P file sharing, when a user signs out of the network, others can still access the user’s hard drive. Answer:False
The Internet is the world’s largest .
Coaxial cable is capable of carrying significantly more signals than fiber-optic cables. Answer:False
Files on an intranet generally are also accessible from the Internet. Answer:False
The CATV signal enters a building through a single line, usually a coaxial cable. Answer:True
A home network can be as simple as using a cable to connect two devices. Answer:True
Client/server and P2P are two types of network .
architecture
operating systems
resources
functions
T1 lines have faster transfer rates than T3 lines. Answer:False
Larger networks typically use a switch, while smaller networks use a hub. Answer:False
A home or school likely uses a(n) .
WiMax and UMB are competing standards for .
Ethernet
Wi-Fi
LTE
Bluetooth
Sometimes communications devices are preprogrammed to accomplish communications tasks. Answer:True
A(n) is a collection of computers and devices connected together via communications devices and transmission media. Answer:network
A(n) controls access to hardware, software, and other resources on a network. Answer:server
Which of the following is NOT true about wireless access points?
A WAP can connect to a router via a cable or can be part of the router.
WAPs have internal or external antennas for optimal signals.
For the best signal, manufacturers recommend positioning the WAP at the lowest possible location.
A WAP allows computers and devices to transfer data wirelessly among themselves.
A(n) is a third-party business that provides network services.
intranet
XAN
VAN
extranet
FTTP uses fiber-optic cable to provide extremely high-speed Internet access to a user’s physical permanent location. Answer:True
Which of the following is another term for transmission media?
Sending device
Information highway
Data transmitter
Communications channel
Identify the letter of the choice that best matches the phrase or definition.
Contactless payment uses this technology. Answer:o. NFC
Category of cellular transmission that transmits digital data at speeds up to 100 Mbps Answer:e. 4G
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. Answer:m. fiber-optic
Kind of network that is sometimes called a file sharing network Answer:n. P2P
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 Answer:i. latency
Consists of a single copper wire surrounded by at least three layers Answer:h. coaxial
A network standard that specifies how two devices use short-range radio waves to communicate at high speeds with each other Answer:l. UWB
Kind of cable designed to reduce noise Answer:j. twisted-pair
This kind of device contains a small chip that allows it to communicate with other similar devices Answer:k. Bluetooth
Examples of standards in this category include EDGE and UMTS Answer:d. 3G
A wireless transmission medium that distributes radio signals through the air over long distances Answer:a. broadcast radio
Type of lines that can be either analog or digital Answer:f. dedicated
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 Answer:g. RFID
A form of broadcast radio that is used widely for mobile communications Answer:b. cellular radio
Expected to provide artificial intelligence capabilities on wearable devices Answer:c. 5G
To enable a compute or device that does not have built-in networking capability, use a(n) .
radio is a wireless transmission medium that distributes radio signals through the air over long distances. Answer:Broadcast
is a practice ISPs use that provides a certain amount of data usage at the optimal speed. Answer:Capping
Which of the following best defines throttling?
When an ISP cuts off Internet usage after a certain amount of data is used
When a network reduces upload and download speeds of high-data users at peak times
When a bottleneck occurs in a network’s resources
When transmission media cannot connect to the network
P2P networks share a common file server. Answer:False
For what purpose would a company use an extranet?
To allow customers or suppliers to access part of its intranet
As a backup to the company’s website
To provide network access to employees in different countries