Chapter 8- Networking & Communication Basics

Front 1

Computer network that spans a large area

Back 1

WAN (wide area network)

Front 2

Network device that brings 2 or more networks together

Back 2

Network Bridge

Front 3

What is a Network Interface Card?

Back 3

Provides the physical connection between the computer and the network medium

Front 4

Networks that are connected in a circle

Back 4

Ring

Front 5

Network Switch

Back 5

Similar to a hub, but it sends data only to those devices to which the data are directed

Front 6

What’s another name for central computer?

Back 6

Server

Front 7

Network that uses a central computer

Back 7

Server-Based Network

Front 8

What is a server?

Back 8

Computer that manages resources for other computers, servers, and networked devices

Front 9

What is internet protocol?

Back 9

IP address; made up of 4 octets (groups of 8 bits) of #’s; first set indicates network class and the rest of the #’s tell other devices it’s exact location

Front 10

Different types of cables that we have?

Back 10

Coaxial cable, twisted-pair wire, fiberoptic cable, electromagnetic waves (wireless)

Front 11

What roles do SCUs play?

Back 11

Image storage, query & retrieval, print, modality worklist, modality performed procedure, storage commitment, interchange media storage

Front 12

Network Communication Model layers

Back 12

Layer 4- transport layer

Layer 3- network layer

Layer 2- data link layer

Layer 1- physical layer

Front 13

Ethernet is an example of what type of layer?

Back 13

Layers 2 and 1

Front 14

What does a bus network do?

Back 14

All devices are physically attached to and listen for communication on one single wire

Front 15

Network where every computer is considered equal

Back 15

Peer-to-Peer Network

Front 16

What is lossy compression used to do?

Back 16

Shrinks the file size to suit external networks when moving images outside of the hospital

Front 17

Network Interface cards plug into what?

Back 17

Motherboard

Front 18

Biggest advantage of wireless networks

Back 18

Mobility and convenience

Front 19

Least expensive network to install

Back 19

LAN (local area network)

Front 20

Type of cable connection used in LANs

Back 20

Twisted-pair wire

Front 21

What’s the most fragile type of network connection?

Back 21

Fiber optic cable

Front 22

What’s fiber optic made of?

Back 22

Glass

Front 23

What does a network layer do?

Back 23

Breaks up the data into frames and decides which network path the frames will take to their destination

Front 24

Conformance statement

Back 24

Details the various SOPs and possible roles that the modality or workstation can fulfill with those SOPs; vendors provide these statements and the buyer must closely inspect them to ensure that the modalities can communicate with existing image viewing devices (DICOM conformant)

Front 25

Simplest connection device

Back 25

Network Hub

Front 26

What is HL-7?

Back 26

Health level 7; standard protocol used for medical data systems

Front 27

What is HIS?

Back 27

Hospital Information System; holds the patients full medical information from hospital billing to the inpatient ordering system

Front 28

What is EMR?

Back 28

Electronic medical record; part of the HIS or runs along with it and contains all of the patients record

Front 29

Which topology is the bus collapsed into a central box?

Back 29

Star

Front 30

What topology is the internet based on?

Back 30

Mesh

Front 31

What is a computer network?

Back 31

2 or more objects sharing resources and information, OR computers, terminals, and servers that are interconnected by communication channels sharing data and program resources

Front 32

Thin-client

Back 32

Device found on a network that requests services and resources from a server

Front 33

Thick-client

Back 33

Computer that can work independently from the network

Front 34

What do wireless connections require?

Back 34

Appropriate wireless transmitter and receiver

Front 35

LAN

Back 35

Local area network

Front 36

WAN

Back 36

Wide area network

Front 37

PACS

Back 37

Picture archiving and communication system

Front 38

PC

Back 38

Personal computer

Front 39

Cat 5

Back 39

Category 5

Front 40

IP

Back 40

Internet protocol

Front 41

OSI

Back 41

Open systems interconnection

Front 42

TCP

Back 42

Transmission Control Protocol

Front 43

DICOM

Back 43

Digital imaging and communications in medicine

Front 44

ACR

Back 44

American College of Radiology

Front 45

NEMA

Back 45

National Electrical Manufacturers Association

Front 46

SOP

Back 46

Service/object pairs

Front 47

SCU

Back 47

Service class user

Front 48

SCP

Back 48

Service class provider

Front 49

UID

Back 49

Unique identifiers

Front 50

JPEG

Back 50

Joint Photographic Experts Group

Front 51

RIS

Back 51

Radiology Information System

Front 52

HL-7

Back 52

Health Level 7

Front 53

HIS

Back 53

Hospital Information System

Front 54

EMR

Back 54

Electronic Medical Record

Front 55

What does a transport layer do?

Back 55

Ensures that data packets are sequenced correctly; ensures that they do not contain errors; most common is TCP

Front 56

What does a data link layer do?

Back 56

Packages the data so that they can be transmitted over the physical layer

Front 57

What does a physical layer do?

Back 57

Consists of the networking media and the components required to pass on a signal from one end of the network to the other; moves bits from one place to another