tech test
what is an advantage of networking?
centralized data management
what is the largest wide area network (WAN)?
internet
an IP address is composed of:::
4 sets of numbers separated by periods
How many layers are there in the OSI Model?
7
how many layers is there is the OSI?
7
a network that includes several LANs that are housed in various locations on a college or business campus
CAN
What is the acronym for a computer network within a single residence?
HAN
what is the acronym for a computer within a single residence?
HAN
the link of cables that use cables, radio waves, or infrared signals over a limited geographical area
Local Area Network
Tyler is editing a photo of the basketball team for the yearbook. Which of the following photo alterations would probably be considered deceptive? a) Making some of the players look taller b) Cropping the photo to fit on the yearbook page c) Adding the team's name at the top of the image
a (Making some of the players look taller)
Which of the following statements about peer-to-peer networks is true? a) They perform best when connecting 10 or fewer computers. b) They require at least one server. c) They require a network operating system d) They require at least one router
a (They perform best when connecting 10 or fewer computers)
Which of the following is not an example of collective intelligence? a) A website that allows users to rate and review restaurants b) A man blogging about things he has cooked c) A group of hikers using a wiki to make a list of supplies they will need for their trip
b (A man blogging about things he has cooked)
Which is an advantage of networking? a) Increased hardware costs b) Centralized data management c) Increased privacy of network members d) Increased autonomy
b (Centralized data management)
Collective intelligence means: a) The intelligence of machines and robots b) Knowledge collected from many people towards a common goal c) A smart way to collect items you like
b (Knowledge collected from many people towards a common goal)
The word retouching means: a) To mislead someone into believing something that's not true b) To improve a photo by adding or changing small details c) To give a photographer credit for his work
b (To improve a photo by adding or changing small details)
Which of the following is an example of a wiki? a) a person's social media page b) a school website that allows students to add and edit content c) a government website that is available for the public to view d) an Internet search engine homepage
b (a school website that allows students to add and edit content)
Vinny and Katie are lab partners. After school, Katie sees that Vinny posted the following message on his friend's social network profile: "So my lab results with KT are a mess. Dumb blonde. Don't girls know they suck at science?" This type of negative comment is an example of ___________. The comment is based on ___________ about girls. a) a compliment / an assumption b) hate speech / a stereotype c) hate speech / a compliment d) mediation / a stereotype
b (hate speech / a stereotype)
Brian takes a picture in which Marcus appears to be holding up his middle finger. The finger actually belongs to a person who is not in the photo frame. Brian posts this picture on his social media page and tags Marcus without asking his permission. Marcus doesn't like the photo. What should he do? a) Take an equally embarrassing photo of Brian and put it on his social media page. b) Ask Brian to take down the photo. c) Post a positive picture of himself to cancel out the negative one. d) Forget about it. It won't affect him negatively since he wasn't the one who posted it e) Un-tag himself from the photo.
b, e
Which statements are considered hate speech? a) "I don't like Xavier. He can be really mean." b) "That kid stutters when he talks - he's such a freak." c) "Caitlyn is not smart enough to be a doctor because she is a girl." d) "I'm not fond of Nora's dress. the color is not flattering on her."
b,c ("That kid stutters when he talks - he's such a freak." "Caitlyn is not smart enough to be a doctor because she is a girl.")
the physical layout of a local area network in which the network cable is a single conduit that forms a bus, or line; every node, whether it is a computer or peripheral device, is attached to that bus. at the end of the bus, connectors called terminators signify the end of the circuit
bus topology
how do most wireless LANs ensure security with radio transmission?
by using a random series of frequencies
Jana is searching for books online. She wants to make sure that she protects her private information, such as her address, when she searches for and buys the books. Jana could: a) Email the online companies she is thinking about buying from to ask them not to use her private information b) Only buy books from sites that her friends buy books from c) Read the sites' privacy policies before she gives out information
c (Read the sites' privacy policies before she gives out information)
Which is a type of network topology? a) WAN b) client/server c) star d) P2P
c (star)
a network that includes several LANs that are housed in various locations on a college or business campus
campus area network (CAN)
one of the 2 fundamental architectures for a wide area network (WAN) — the other is packet switching — in which high-speed electronic switches create a direct connection between 2 communicating devices. the telephone system is a circuit-switching network
circuit switching
in a client/server network, any type of computer: a PC, Mac, desktop, or even handheld device that is connected to a network and contains the software that enables it to send requests to the server
client
a computer network in which some computers are dedicated to function as servers, making information available to clients that make requests
client/server
a computer network in which some computers are dedicated to function as servers, making information available to clients that make requests
client/server network
knowledge collected from many people towards a common goal
collective intelligence
own residents posting facts and stories about one of their local, historical landmarks to a website is an example of
collective intelligence
in Local area networks (LANs), a garbles transmission that results when 2 or more workstations transmit to the same network cable at exactly the same time. networks have means of detecting and preventing collisions
collision
any hardware device that is capable of moving data into to out of the computer, including modems, routers, switches, wireless access points, network interface cards, and other computers
communication device
in a packet switching network, a performance interruption that occurs when a segment of the network experiences an overload— to much traffic flooding the same network path
congestion
Larissa posts a playful picture of herself giving a thumbs down and writes the caption: "Boo, summer is over." Another person reposts the photo and changes the caption to: "This is what I think of Mrs. Taylor, the new biology teacher." The _______ of the image has changed because of the new comment.
context
different factors that surround a piece of information that help determine its meaning
context
the setting in which something develops or occurs
context
public disagreement or debate
controversy
Alex searched for some songs in an online music store. When he returned to the site to buy the songs, it had a list of recommended songs that he might like. The website recognized Alex because of what on his computer?
cookies
data files that are stored on your computer when you visit certain sites, which are often used by companies to identify repeat customers and personalize visitors' experiences
cookies
Before you post about someone else online, it's important to: a) Ask that person if it's okay to post b) Consider if you will upset anyone by posting c) Think about who might see what you post d) All of the above
d (All of the above)
a VPN operates as a private network over which larger type of network?
internet
A password-protected network controlled by a company and accessed only by employees
intranet
Read the following sentence. Then answer the question below: Rachel directs negative comments at Jorge online in a chat room that many would consider hate speech. True or false: Jorge is the only person affected by Rachel's comments. a) True. Jorge is the only person affected by Rachel's comments because the other people in the chat room know the comment was meant for Jorge only. b) True. Jorge is the only person affected by Rachel's comments because Rachel only chats with Jorge. c) False. Jorge and other people in the chat room who are like him are affected by Rachel's comments. d) False. Everyone in the chat room is affected by Rachel's comments
d (False. Everyone in the chat room is affected by Rachel's comments)
which of the following is not a network communication device? a) switch, b) router, c) NIC, d) LAN
d (LAN)
Which is a feature of packet switching? a) All packets of a message are sent and received in order. b) All packets travel on the same path to the destination. c) There is a direct connection between the communicating devices. d) Packets of a message are split up and reassembled at the destination device
d (Packets of a message are split up and reassembled at the destination device)
to mislead someone into believing something that's not true
deceive
common categories of the population, such as age, gender, and race
demographic
A group of students call a girl in their class "stupid" after she answers a question incorrectly. What is their comment most likely considered?
derogatory
intentionally hurtful and harmful, designed to insult or degrade
derogatory
using digital technology to change the content or appearance of a photo
digital photo manipulation
How can you help prevent companies from collecting information about you online that you may not want them to have?
disable cookies, install antivirus software, read and understand privacy policy, limit amount of personal info given out online
What kinds of information do companies collect about you when you go online? a) Your likes and dislikes b) Where you live c) Products you look at or buy online d) Subjects or activities that interest you e) All of the above
e (all of the above)
(true/false) Computers that are joined together are able to share hardware and software, but not data
false
(true/false) Examples of hardware that computers on a network can share are the operating system and the web browsers
false
(true/false) Peer to Peer networks are best used for networks with over 10 computers
false
(true/false) an advantage of networking is fewer security threats
false
(true/false) hubs are the only central wiring devices available to use the star topology
false
(true/false) in networking, security threats decrease and are an advantage of connecting to a network
false
(true/false) the physical address of a network node is assigned by the software in use
false
(true/false) unlike other computer networks, WAN do not use protocols
false
(true/false) with packet switching, the message is sent over a physical end-to-end circuit
false
True or false: Changing an image in any way is always a bad thing to do.
false
True or false: Collective intelligence is a term that only describes people working together online, not offline.
false
client/server networks only have 1 server and no more than 10 clients
false
making cruel, hostile, or negative statements about someone based on their race, religion, national origin, ability, age, gender, or sexual orientation
hate speech
A network that is a combination of both wired and wireless technology
hybrid network
In a packet-switching network, a signal delay that is introduced when many routers examine packets en route to their destination
latency
efforts by someone who is not part of a situation to settle disputes
mediation
magine that hate speech comments were found written on the wall of the boys' bathroom in your school. This hate speech has upset many students. Your school counselor has asked a group of students to be part of a _____ committee to figure out how to address the problem.
mediation
what is NOS an acronym for?
network operating system
a local area network (LAN) in which all the computers are equals is called a(n) _______ network
peer-to-peer
to continue and endure
persist
he general impression of a person held by others and the public
reputation
to improve a photo by adding or changing small details
retouching
The physical layout of a local network in which all nodes are attached in a circle, without a central host computer. This topology, which is no longer used frequently, employs a unit of data called a token that travels around the ring. A node can transmit only when it possesses the token, thus avoiding collisions
ring topology
A ___________ is necessary to make the connection between a local area network and the Internet?
router
a ______ is necessary to make the connection between local area network and the internet
router
A(n) _____________ is a network device with software that manages network resources like files, e-mails, printers, and databases.
server
a _____ is a network device with software that manages network resources like files, e-mails, printers, and databases
server
The physical layout of a local network in which a central wiring device, which can be a hub switch or computer, manages the network. A new user is added by simply running a cable to the hub or switch and plugging the new user into a vacant connector
star topology
which topology has the hub in the center?
star topology
a popular belief about a group of people, based on assumptions that are often false
stereotype
two or more things working together to produce something that each could not achieve separately
synergy
to add a descriptive word, label, or phrase to a photo or video
tag
when companies tailor content to you based on the information they have collected about you
target
when companies collect information about you based on your online behavior
track
(true/false) A gigaPoP is a POP that provides access to a backbone service capable of data transfer rates exceeding 1 Gbps
true
(true/false) Computers in a WAN can also be connected by satellites and fibre optic cables
true
(true/false) Computers that are close to one another are connected to form a LAN
true
(true/false) Computers that are joined together are called a "network"
true
(true/false) Public wireless access locations are called hot spots
true
(true/false) Radio waves can be used to connect computers to a network
true
(true/false) The telephone system is the only way to connect computers in a WAN together
true
(true/false) a wireless access point is commonly used as a bridge between a wireless and wired connection
true
(true/false) convergence will be the future of home networking systems
true
(true/false) in a P2P network, users can choose which files they wish to share
true
(true/false) wireless LANs have an effective inside range between 125 and 300 feet
true
True or false: The information you enter about yourself online, or the ads that you click on, can affect the results you get when you do an online search.
true
the internet protocols are collectively called TCP/IP
true
what does the acronym VPN stand for?
virtual private network
uses long-distance transmission media. links computer systems for a few miles or thousands of miles
wide area network (WAN)
what types of network requires an access point?
wifi
a website created by a group that allows all users in a group to add or edit content
wiki
a point of presence (POP) is a:::::
wired or wireless WAN network that enables users to access the WAN