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CS100 > Lesson 9: Networks and Network Devices > Flashcards

Lesson 9: Networks and Network Devices Flashcards

1
Q

Connects the sending device to transmission media

A

Communications device

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2
Q

Accepts the transmission of data, instructions, or information

A

Receiving device

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3
Q

Initiates an instruction to transmit data, instructions, or information

A

Sending device

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4
Q

Means by which the data, instructions, or information travel

A

Transmission media or a communications channel

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5
Q
  1. Facilitating communications
  2. Sharing hardware
  3. Sharing data and information
  4. Sharing software
  5. Sharing files
A

Common ways you will interact with a network

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6
Q

A _____________ (P2P) network, sometimes called a file sharing network, allows users to access one another’s hard drives or cloud storage and exchange files directly via a file sharing program

A

peer-to-peer

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7
Q

This allows users connected to a network to exchange money from one account to another via transmission media

A

Electronic funds transfer (EFT)

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8
Q

An __________ is an internal network that uses Internet technologies

A

intranet

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9
Q

An __________ allows customers or suppliers to access parts of its intranet

A

extranet

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10
Q

A __________ sends signals and data through cables

A

wired network

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11
Q

A __________ sends signals through airwaves and usually does not require cables

A

wireless network

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12
Q

A network standard that defines how high-speed cellular transmissions use broadcast radio to transmit data for mobile communications

A

LTE (Long Term Evolution)

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13
Q

__________ means receiving data while upstream rate means sending data

A

Downstream rate

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14
Q

LTE is developed by ____________________ (3GPP)

A

Third Generation Partnership Project

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15
Q

Two competing standards for LTE are __________ (Worldwide Interoperability for Microwave Access) and UMB (__________)

A

WiMax… Ultra Mobile Broadband

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16
Q

A navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites.

A

GPS (global positioning system)

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17
Q

__________ consists of programs and apps that:
1. Help users establish a connection to another computer
2. Manage the transmission of data
3. Provide an interface for users to communicate with one another

A

Communications software

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18
Q

This is the method by which computers and devices are physically arranged on a network

A

Topology

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19
Q

The logical design of all devices on a network

A

Network architecture

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20
Q
  1. Bus Network
  2. Ring Network
  3. Star Network
  4. Mesh Network
A

Common network topologies

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21
Q

All devices attach to a central cable, called a bus, that carries the data. If the bus fails, the devices on the network will no longer be able to communicate

A

Bus network

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22
Q

All devices interconnect with one another. If a single device fails, the rest of the network will continue to function by communicating via an alternate route

A

Mesh network

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23
Q

Two types of mesh topologies:
1. __________ (each device is connected to every other device on the network)
2. __________ (each device may or may not be connected to all other devices on the network)

A

Full mesh topology … Partial mesh topology

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24
Q

Data travels from one device to the next in a sequential fashion. If one device fails, communication on the network could cease to function. No longer common

A

Ring network

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25
Q

Each device on the network is attached to a central device, such as a server or switch. If the central device fails, the other devices will be unable to communicate

A

Star network

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26
Q

Two or more star networks may be joined together using a bus to for a __________. They are often used in schools and businesses

A

Tree topology

27
Q

On a __________, one or more computers act as a server and the other computers on the network request resources from the server

A

Client/server network

28
Q

A computer or mobile device on the network that relies on the server for its resources

A

Client

29
Q

Two common network architectures

A
  1. Client/server
  2. Peer-to-peer
30
Q

Client/server networks are often controlled by a __________

A

network administrator

31
Q

With this type of network, computers communicate directly with one another and can share one another’s resources. A network administrator is not required

A

Peer-to-peer (P2P)

32
Q

A type of P2P network where users share files with one another over the Internet

A

Internet peer-to-peer (Internet P2P) network

33
Q

Connects computers and devices in a limited area, such as a home, a school, or a small office complex

A

local area network (LAN)

34
Q

A wireless LAN (__________) is a LAN that uses wireless connections

A

WLAN

35
Q

A network that connects devices in a large geographic region, such as a multinational company or national retail chain. The Internet is classified as this.

A

wide area network (WAN)

36
Q

A type of wide area network that is operated by a city or country

A

metropolitan area network (MAN)

37
Q

Connects personal digital devices within a range of approximately 30 feet. Typically connected via bluetooth

A

personal area network (PAN)

38
Q

A form of PAN that consists of small, lightweight biosensors implanted in the body

A

body area network (BAN)

39
Q

Specifies the amount of data your provider offers you per month

A

Data plan

40
Q

Guidelines that specify the way computers access a network, the types(s) of hardware used, data transmission speeds, and the types of cable and wireless technology used

A

Network standards

41
Q

A standard that outlines characteristics of how devices communicate on a network

A

Protocol

42
Q

The __________ standard controls how network interface cards (NICs), routers, and modems share access to cables and phone lines, as well as dictate how to transmit data

A

Ethernet

43
Q

Most businesses use a standard, such as EDI (____________________) that define how business documents travel across transmission media

A

electronic data interchange

44
Q

A set of protocols that is used by all computers and devices on the internet

A

TCP/IP (Transmission Control Protocol/Internet Protocol)

45
Q

______ defines how data is routed through a network, and ____ specifies that all computers and devices connected to a network have a unique IP address

A

TCP … IP

46
Q

Devices communicating with one another over a short range

A

Bluetooth

47
Q

Remote controls or other data transmission within close proximity

A

IrDA (infrared data association)

48
Q

Uses radio signals to communicate data over cellular networks

A

LTE

49
Q

Used in credit cards, smartphones, and tickets to facilitate close-range communication

A

NFC (near field communication)

50
Q

Radio signals transmitted through antennas, often found in tollbooth transponders or embedded chips in animals

A

RFID (radio frequency identification)

51
Q

Low-energy radio technology for short-range, high-bandwidth communications

A

UWB (ultra-wideband)

52
Q

Hot stops and wireless home and small business networks using TCP/IP

A

Wi-Fi

53
Q

A series of network standards that specifies how two wireless devices communicate over the air with each other

A

802.11

54
Q

A __________ is a type of always-on physical connection that is established between two communications devices

A

dedicated line

55
Q

A process that combines multiple analog or digital signals into a single signal over a shared medium

A

Multiplexing

56
Q

_____ provide a central point for network cables in a network and are used to transfer data to all devices

A

Hubs

57
Q

__________, used more frequently than hubs, also provide a central point for network cables in a network; however, they transfer data only to the intended recipient

A

Switches

58
Q

_________, which connect two or more networks and direct, or route, the flow of information along the networks or Internet so that multiple users can share a connection

A

Routers

59
Q

A __________ connects a sending or receiving device, such as a computer, to a communications channel, such as the Internet

A

modem

60
Q

Also called a broadband modem, it is a communications device that sends and receives data and information to and from a digital line

A

Digital modem

61
Q

A __________ uses a cable TV connection

A

cable modem

62
Q

A __________ uses standard copper telephone wiring

A

DSL modem

63
Q

A __________ sends digital data and information from a computer to an ISDN line and receives digital data and information from an ISDN line

A

ISDN (Integrated Services Digital Network)

CS100 (11 decks)

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