Unit 07: Networking: Connecting Computing Devices Flashcards
1
Q
network?
A
multiple computers that are connected via software and hardware so they can communicate
2
Q
Node?
A
each device connected in a network
3
Q
benefits of networks? (6)
A
- sharing an internet connection
- sharing printers and other peripheral devices
- sharing files
- online entertainment
- telephones
- common communications - texting/emails
4
Q
4 network administration tasks?
A
- installing new devices
- monitoring network proficiency
- updating/installing new software
- setting up proper security
5
Q
Data transfer rate/bandwidth
A
max speed that data can be transmitted between two nodes
6
Q
throughput?
A
actual speed fo data transfer achieved
7
Q
network architecture? (3)
A
- distance between nodes
- network administration
- protocols used to exchange data between network nodes
8
Q
PAN?
A
personal area network - network used for communication among devices close to a person
9
Q
example of PAN?
A
smartphones/tablets using wirless tech (bluetooth/wifi)
10
Q
WAN?
A
wide area network - network collection of LAN’s spanning the entire globe
11
Q
MAN?
A
metropolitan area network - a large network designed to provide access to a specific geographical area
12
Q
HAN?
A
home area network - type of LAN located within a home connecting all nodes within that home
13
Q
LAN?
A
local area network - nodes located within a small geographical area
14
Q
example of LAN?
A
network in the computer lab at school
15
Q
example of MAN?
A
used to provide an internet connection to tourists within a city
16
Q
2 levels of network administration?
A
- central - tasks performed from one computer can affect the other computers on the network
- local - tasks must be complete on each individual computer in the network
17
Q
P2P?
A
peer-to-peer network - a local administration network where each node can communicate directly with every other node on the network
18
Q
client?
A
a computer where users complete tasks and make requests
19
Q
server?
A
a computer that provides info to the client
20
Q
client/server network?
A
a central administration network that connects a server to many clients
21
Q
P2P sharing?
A
peer-2-peer sharing - the process of users transferring file between computers
22
Q
ethernet network?
A
where the nodes on the network communicate using the ethernet protocol
23
Q
what is the standard network for a home network?
A
ethernet network
24
Q
IEEE?
A
institute of electrical and electronics engineers - the institute that developed ethernet protocol
25
GbE?
gigabit Ethernet - standard for wired ethernet network
26
internet backbone?
major transmission lines of the internet
27
Wi-Fi alliance?
the group that manages wifi implementation
28
Wi-Fi 5?
the fifth generation of wifi
29
the latest wifi standard is?
wifi 6 - sixth-generation wifi
30
backward compatibility?
the ability of current devices to use earlier standards in addition to the current standard
31
3 things needed to function all networks
1. a means to connect the nodes
2. hardware devices that allow nodes to communicate
3. software that allows the network to run
32
transmission media?
establishes a communication channel between nodes wired or wirelessly
33
UTP?
unshielded twisted-pair cable - 4 pairs of wires twisted around each other
34
coaxial cable?
single copper wires surrounded by layers of plastic
35
Fiber-optic cable?
plastic/glass fibre that transmits data at high speeds
36
twisted-pair cable?
twisted pair of copper cables
37
what uses a twisted-pair cable?
telephones
38
what uses a coaxial cable?
TV's or cable boxes
39
what is the most popular transmission media option for home networks?
UTP cables
40
what are Cat 5e and Cat 6?
the most common UTP cables for home networks
41
what are Cat 6a and Cat 7?
are UTP cables that are designed for bigger networks that require more speed
42
what transmission media is used for wifi?
radio waves connected to computing devices
43
can the same network have both wired and wireless nodes?
yes
44
why might a portable device use a wired connection?
because wireless signals have a slower throughput
45
network adapter?
hardware that enables a device to communicate through a network
46
modem?
connects your network to the internet to bring the internet signal to your home
47
network navigation devices?
a device that allows users internet signal at home to connect to all other their devices at home
48
what are the 2 network navigation devices? analogy?
1. router - transfers packets of data between multiple networks - cars
2. switch - receives data packets and sends them to their intended nodes on the same network - traffic lights
49
do P2P networks use the same software as client/server networks?
no - due to the different types of nodes
50
NOS?
network OS - the OS software installed on client/server networks
51
Windows Server, SUSE Linux, and Enterprise Servers are all examples of?
NOS software
52
broadband?
a type of internet connection that offers a fast throughput
53
ISPs?
internet service providers - is where most homeowners and small businesses purchase their internet acess
54
3 types of wired broadband internet connection options? uses what type of transmission media?
1. cable - coaxial cable
2. DSL - twisted-paired cable (copper wired)
3. fiber-optic
55
DSL?
digital subscriber line
56
cable internet?
broadband service that transmits data over coaxial cables
57
fiber-optic?
broadband service that transmits data via light signals over long distances
58
satellite internet?
signals transferred between personal satellite dishes and satellite companies which receive signals from a satellite dish in orbit
59
mobile hotspot?
allows a mobile user to connect multiple devices to the internet using a data plan
60
mobile broadband?
connects users to the internet through a cellular network
61
Wireless ISP?
wireless internet service provider - companies that connect mobile users to the internet
62
T-Mobile, Verizon, AT&T are all examples of?
wireless internet service providers
63
4G?
fourth generation - the most current mobile data service standard
64
5G?
fifth-generation - the latest mobile data service
65
data plan?
mobile internet connectivity plan
66
5 Steps to set up a Windows home network
1. establish broadband internet account with local ISP
2. make sure modem/router is connected to the internet
3. use ethernet cables for any wired connections
4. turn on the modem then all devices within the network
5. connect wireless devices to wifi in settings of the device
67
what is the limited number of wired devices that can be connected to a LAN?
3 to 4 due to the number of ports on the router
68
what is the limited number of wireless devices that can be connected to a HAN?
up to 253 but the more devices connect mean the less bandwidth each device gets
69
are there different wireless router for windows compared to macOS
no wifi 5/6 works with both
70
Apple AirPort Extreme router is an example of?
a router that optimizes Apple products
71
what generation of wifi is the Apple AirPort Extreme router compatible with?
wifi 5
72
what generation of wifi is the AirPort Extreme router compatible with?
wifi 4
73
where can you find the router's IP address?
manufacturer's website
74
NAS devices?
network-attached storage devices - specialized devices that are designed to store and manage all network data providing centralized storage and access
75
home network server?
provides centralized file storage, sharing, and sophisticated functionality
76
3 thing a home network server can do
1. authenticate and authorize users and computer on a network
2. provide file storage, sharing, and collaboration tools
3. share applications between connected computers
77
what is the max range of a wireless device?
350 ft
78
how do you increase the connection speed of a node?
move it physically closer to the router
79
access point?
a device that connects to the router with an ethernet cable and creates a wireless signal at that access point
80
what are two devices that can be used to amplify wireless connection?
1. access point
| 2. wireless range extender
81
wireless range extender?
a device that repeats amplifies the wireless signal from the router - a wireless extension cord
82
piggybacking?
connecting to a wireless network without the permission of the owner
83
5 ways to secure wireless network
1. use encryption and security protocols
2. change networks SSID
3. disable SSID broadcast
4. change the router's default password
5. use a passphrase/security key
6. implement MAC
7. limit signal range
8. apply firmware upgrades
9. disable remote access
84
WEP?
wired equivalent privacy
85
WAP?
wifi protected access
86
WPA2?
wifi protected access to version 2
87
encryption?
a method to translate data into code
88
WEP, WAP, and WPA2 areas all examples of?
a) strongest
b) weakest
c) more compatible
routers with security protocols
a) WPA2
b) WEP
c) WAP
89
SSID?
service set identifier - the unique name of a wireless network
90
MAC?
media access control - the unique serial number assigned to each network adapter assigned by manufacturer
91
firmware?
software is written on the ROM of the router
92
ROM
read-only memory
