Lesson 9: Networks and Network Devices

Question 1

Connects the sending device to transmission media

Answer 1

Communications device

Question 2

Accepts the transmission of data, instructions, or information

Answer 2

Receiving device

Question 3

Initiates an instruction to transmit data, instructions, or information

Answer 3

Sending device

Question 4

Means by which the data, instructions, or information travel

Answer 4

Transmission media or a communications channel

Question 5

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

Answer 5

Common ways you will interact with a network

Question 6

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

Answer 6

peer-to-peer

Question 7

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

Answer 7

Electronic funds transfer (EFT)

Question 8

An __________ is an internal network that uses Internet technologies

Answer 8

intranet

Question 9

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

Answer 9

extranet

Question 10

A __________ sends signals and data through cables

Answer 10

wired network

Question 11

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

Answer 11

wireless network

Question 12

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

Answer 12

LTE (Long Term Evolution)

Question 13

__________ means receiving data while upstream rate means sending data

Answer 13

Downstream rate

Question 14

LTE is developed by ____________________ (3GPP)

Answer 14

Third Generation Partnership Project

Question 15

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

Answer 15

WiMax… Ultra Mobile Broadband

Question 16

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

Answer 16

GPS (global positioning system)

Question 17

__________ 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

Answer 17

Communications software

Question 18

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

Answer 18

Topology

Question 19

The logical design of all devices on a network

Answer 19

Network architecture

Question 20

1. Bus Network
2. Ring Network
3. Star Network
4. Mesh Network

Answer 20

Common network topologies

Question 21

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

Answer 21

Bus network

Question 22

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

Answer 22

Mesh network

Question 23

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)

Answer 23

Full mesh topology … Partial mesh topology

Question 24

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

Answer 24

Ring network

Question 25

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

Answer 25

Star network

Question 26

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

Answer 26

Tree topology

Question 27

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

Answer 27

Client/server network

Question 28

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

Answer 28

Client

Question 29

Two common network architectures

Answer 29

1. Client/server 2. Peer-to-peer

Question 30

Client/server networks are often controlled by a __________

Answer 30

network administrator

Question 31

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

Answer 31

Peer-to-peer (P2P)

Question 32

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

Answer 32

Internet peer-to-peer (Internet P2P) network

Question 33

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

Answer 33

local area network (LAN)

Question 34

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

Answer 34

WLAN

Question 35

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.

Answer 35

wide area network (WAN)

Question 36

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

Answer 36

metropolitan area network (MAN)

Question 37

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

Answer 37

personal area network (PAN)

Question 38

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

Answer 38

body area network (BAN)

Question 39

Specifies the amount of data your provider offers you per month

Answer 39

Data plan

Question 40

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

Answer 40

Network standards

Question 41

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

Answer 41

Protocol

Question 42

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

Answer 42

Ethernet

Question 43

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

Answer 43

electronic data interchange

Question 44

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

Answer 44

TCP/IP (Transmission Control Protocol/Internet Protocol)

Question 45

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

Answer 45

TCP ... IP

Question 46

Devices communicating with one another over a short range

Answer 46

Bluetooth

Question 47

Remote controls or other data transmission within close proximity

Answer 47

IrDA (infrared data association)

Question 48

Uses radio signals to communicate data over cellular networks

Answer 48

LTE

Question 49

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

Answer 49

NFC (near field communication)

Question 50

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

Answer 50

RFID (radio frequency identification)

Question 51

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

Answer 51

UWB (ultra-wideband)

Question 52

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

Answer 52

Wi-Fi

Question 53

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

Answer 53

802.11

Question 54

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

Answer 54

dedicated line

Question 55

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

Answer 55

Multiplexing

Question 56

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

Answer 56

Hubs

Question 57

__________, 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

Answer 57

Switches

Question 58

_________, 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

Answer 58

Routers

Question 59

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

Answer 59

modem

Question 60

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

Answer 60

Digital modem

Question 61

A __________ uses a cable TV connection

Answer 61

cable modem

Question 62

A __________ uses standard copper telephone wiring

Answer 62

DSL modem

Question 63

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

Answer 63

ISDN (Integrated Services Digital Network)