Shared Flashcard Set

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Module 10
Discovering Computers 2018
50
Computer Science
Undergraduate 1
11/09/2018

Additional Computer Science Flashcards

 


 

Cards

Term
Bluetooth technology is standardized globally, so it can be used to connect devices that are not of the same make or model.
Definition
True
Term
For what purpose would a company use an extranet?
Definition
 
To allow customers or suppliers to access part of its intranet
 
Term
Files on an intranet generally are also accessible from the Internet.
Definition
False
Term
The process in which two or more computers or devices transfer data, instructions, and information is known as digital communications.
Definition
True
Term
Which of the following is most likely to be used by a remote control?
Definition
IrDA
Term
With MMS, users can send and receive photos, videos, and audio files.
Definition
True
Term
Transmission from an earth-based station to a satellite is a(n) ______.
Definition
uplink
Term
Without a data plan, you must use Wi-Fi or a wired connection to access the Internet.
Definition
True
Term
Because they are assigned randomly, you cannot use an IP address to determine a computer or device's location.
Definition
False
Term
The Internet is the world's largest ______.
Definition
WAN
Term
Some smartphones can also function as a wireless modem.
Definition
True
Term
On networks that use TCP/IP, ______ software can detect problems, such as why traffic is flowing slowly.
Definition
packet sniffing
Term
Which of the following is NOT true about wireless access points?
Definition
For the best signal, manufacturers recommend positioning the WAP at the lowest possible location.
Term
Which generation was the first to introduce MMS?
Definition
3G
Term

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.
Definition
IrDA
Term
Net ______ is the concept of open Internet, accessible to all users, without interference from ISPs or other third-parties.
Definition
neutrality
Term
P2P networks share a common file server.
Definition
False
Term
Which of the following is NOT true about NFC?
Definition
For successful communications, the devices must not touch or come within 6 inches of each other.
Term

 

Some DSL installations include a dial tone, providing users with both voice and data communications.
Definition
True
Term
Skype and FaceTime are examples of ______ services.
Definition
VoIP
Term
A BAN is a type of PAN that wirelessly connects sensors worn by, carried by, implanted in, or attached to a human body.
Definition
True
Term
Coaxial cable is capable of carrying significantly more signals than fiber-optic cables.
Definition
False
Term
What is the purpose of ANSI and IEEE?
Definition
To propose, develop, and approve network standards
Term
Which of the following best defines throttling?
Definition
When a network reduces upload and download speeds of high-data users at peak times
Term

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:
Definition
More than one token can exist on a token ring network.
Term
Which of the following is most likely to be used by a LAN?
Definition
Token ring
Term
A WAN can be one large network or can consist of multiple LANs.
Definition
True
Term
A home or school likely uses a(n) ______.
Definition
LAN
Term
802.11 is a series of standards to identify ______ networks.
Definition
Wi-Fi
Term
A(n) ______ device initiates an instruction to transmit data, instructions, or information.
Definition
sending
Term
Which of the following is TRUE about Bluetooth?
Definition
If a device has Bluetooth capability, using Bluetooth technology is free.
Term
Routers along the Internet backbone forward data packets to their destination using the fastest available path.
Definition
True
Term
Which of the following is NOT true about client/server networks?
Definition
Client/server networks do not typically require a network administrator.
Term

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.
Definition
light waves
Term
With P2P file sharing, when a user signs out of the network, others can still access the user's hard drive.
Definition
False
Term
FTTP uses fiber-optic cable to provide extremely high-speed Internet access to a user's physical permanent location.
Definition
True
Term
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.
Definition
True
Term
Which of the following is most likely to be used for mobile phone payments?
Definition
NFC
Term
To connect devices within your workspace, use a ______.
Definition
PAN
Term
Which of the following best defines Bluebugging?
Definition
When cyberthieves exploit Bluetooth devices that are paired
Term
A city or town likely uses a(n) ______.
Definition
MAN
Term

 

Each computer or device on a network is called a(n) ______.
Definition
node
Term

 

Larger networks typically use a switch, while smaller networks use a hub.
Definition
False
Term

 

Bluetooth devices need to be within the same line of sight.
Definition
False
Term
Which of the following is NOT true about Wi-Fi networks?
Definition
Devices only support one Wi-Fi standard.
Term

 

______ transmission often is called fixed wireless.
Definition
Microwave
Term

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:
Definition
When a computer sends data over the Internet, the data is grouped into a single packet.
Term
The main difference between network classifications is the number of computers and devices connected to it.
Definition
False
Term
An RFID reader is also called a(n) ______.
Definition
transceiver
Term
Home and small business users purchase ______ T1 lines, in which they share a connection with others.
Definition
fractional
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