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Study sets matching "networking data communications"

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Study sets matching "networking data communications"

32 terms
Networking and Data Communication
LAN
MAN
WAN
Protocols
consists of a collection of computers in a single building or…
A large computer network that spans metropolitan area
A wide area network links machines over a greater distance—pe…
The definition of the rules and conventions for communication…
LAN
consists of a collection of computers in a single building or…
MAN
A large computer network that spans metropolitan area
91 terms
Data Communications and Networking
Two Communication Models
How many layers does the OSI Model have?
Protocol (Exam Question)
What is Hamming distance?
Client/Server (Email)... -client host requests, receives service…
7
A protocol defines data representation (packet formats), the…
The number of bits which are different between two code words
Two Communication Models
Client/Server (Email)... -client host requests, receives service…
How many layers does the OSI Model have?
7
38 terms
Data Communications And Computer Networks
was the first commercially available l…
In a bus/tree topology, connecting to…
A ____ is a device that interconnects…
In ____ segment networks, a switch may…
Ethernet
tap
switch
dedicated
was the first commercially available l…
Ethernet
In a bus/tree topology, connecting to…
tap
79 terms
Data Communications and Networking Final
asymmetrical DSL
ATM (Asynchronous Transfer Mode)
cable modem
CO (central office)
A variation of DSL that offers more throughput when data trav…
A Data Link layer technology originally conceived in the earl…
A device that modulates and demodulates signals for transmiss…
The location where a local or long-distance telephone service…
asymmetrical DSL
A variation of DSL that offers more throughput when data trav…
ATM (Asynchronous Transfer Mode)
A Data Link layer technology originally conceived in the earl…
29 terms
Data Communications And Computer Networks
cable is the medium least prone to gen…
To minimize the effect of echo, a devi…
If a receiver has just received one pa…
Installing proper shielding on cables…
Fiber-optic
echo suppressor
an ACK of 701
crosstalk
cable is the medium least prone to gen…
Fiber-optic
To minimize the effect of echo, a devi…
echo suppressor
28 terms
Data Communications And Computer Networks
The idea behind ____ is that the perip…
is a serial connection or bus that can…
The ____ component of an interface dea…
In modem interfacing terminology, the…
hot plugging
InfiniBand
mechanical
data terminating equipment (DTE)
The idea behind ____ is that the perip…
hot plugging
is a serial connection or bus that can…
InfiniBand
Data Communications and Networking Final
Which of the following type of media i…
Logical Topology
A logical bus topology
Breaking a network into smaller parts…
Fiber
is how the network works conceptually.
permits every message to be received by every computer on the…
segmentation
Which of the following type of media i…
Fiber
Logical Topology
is how the network works conceptually.
220 terms
Data communications and networks
Five Protocols of data communication
Data Representation
Simplex data transmission
Half-duplex data transmission
Protocols. Medium. Receiver. Sender. Message.
Text (ASCII). Numbers (Binary). Images. Audio. Video.
Data transfer in only one direction
Date transfer in one direction at one time
Five Protocols of data communication
Protocols. Medium. Receiver. Sender. Message.
Data Representation
Text (ASCII). Numbers (Binary). Images. Audio. Video.
26 terms
Business Data Communications and Networking
How can data communications networks a…
Discuss three important applications o…
Define information lag and discuss its…
Describe the progression of communicat…
...
...
...
...
How can data communications networks a…
...
Discuss three important applications o…
...
40 terms
Data Communication & Networking 1
Network
Bit
Binary
Hexadecimal Code
two or more computers connected in order to exchange data
One position in a group that can be either a 1 or a 0
digital representation of "On" or "Off"
human-friendly representation of binary values; combination o…
Network
two or more computers connected in order to exchange data
Bit
One position in a group that can be either a 1 or a 0
23 terms
Data Communications and Networking
The Internet (nuts and bolts)
End Systems (hosts)
Internet Service Providers (ISPs)
Transmission Control Protocol (TCP) &…
A massive network of host or end system computing devices.
Connected by communication links and packet switches. Access…
Local companies, universities, residential, and public. A net…
Specifies the format of the packets that are sent and receive…
The Internet (nuts and bolts)
A massive network of host or end system computing devices.
End Systems (hosts)
Connected by communication links and packet switches. Access…
42 terms
Data Communication and Network Management
Class A
Class B
Class C
Layer 1
10.0.0.1/8 - 10.255.255.255/8
172.16.0.1/12 - 172.31.255.254/12
192.168.0.1/16 - 192.168.255.254/16
Physical - Transmits/carries data from one place to another.
Class A
10.0.0.1/8 - 10.255.255.255/8
Class B
172.16.0.1/12 - 172.31.255.254/12
78 terms
Data communication and Computer Networks
L = 7.5 Mbits, R = 1.5 Mbps: What is t…
Nodal Processing
Propagation Delay
(client-server architecture) A server
3L/R= 7.5*3/1.5 = 15 seconds
A source of packet delay. Related to checking bit errors and…
A source of packet delay. d = length of physical link, s = pr…
An always on host that has a permanent IP address. Server far…
L = 7.5 Mbits, R = 1.5 Mbps: What is t…
3L/R= 7.5*3/1.5 = 15 seconds
Nodal Processing
A source of packet delay. Related to checking bit errors and…
24 terms
Data Communication, Networks and the Internet
Data communication
Data transmission channels
Bandwidth
Narrow band channel
can be broadly described as the transmission of data from one…
are needed to carry the data from one location to another
determines the volume of data that can be transmitted in a gi…
can transmit data at slow speeds of between 10 - 30 character…
Data communication
can be broadly described as the transmission of data from one…
Data transmission channels
are needed to carry the data from one location to another
20 terms
Data Communications, Data Networks, and the Internet
A network in which small chunks of dat…
Effective and efficient data communica…
DWDM (Dense wavelength division multip…
________ is the process of squeezing t…
packet switching
true
terabits
compression
A network in which small chunks of dat…
packet switching
Effective and efficient data communica…
true
45 terms
Business Data Communications and Networks
Define information lag and discuss its…
What is a circuit?
What is a client?
What is a host or server?
The time needed for information to travel.
In simple terms a switch that facilitates a connection (think…
A client is a devise that connects to the network and uses an…
A server saves and shares information and preforms services s…
Define information lag and discuss its…
The time needed for information to travel.
What is a circuit?
In simple terms a switch that facilitates a connection (think…
17 terms
Chapter 5: Data Communications and Networking
Communication Network
What are the types of networking proce…
transmitter/receiver
Communication Channel
a collection of computers electronically connected so that da…
Centralized (only one computer in charge of data processing f…
speaker=transmitter ... listener=receiver
A communication channel is an electronic highway that uses va…
Communication Network
a collection of computers electronically connected so that da…
What are the types of networking proce…
Centralized (only one computer in charge of data processing f…
97 terms
Business Data Communications and Networks
Define information lag and discuss its…
How do local area networks (LANs) diff…
What is a circuit?
What is a client?
The time needed for information to travel.
Local Are Networks are, well local :-), they are the networks…
In simple terms a switch that facilitates a connection (think…
A client is a devise that connects to the network and uses an…
Define information lag and discuss its…
The time needed for information to travel.
How do local area networks (LANs) diff…
Local Are Networks are, well local :-), they are the networks…
63 terms
Business Data Communications and Networks
Define information lag and discuss its…
How do local area networks (LANs) diff…
What is a circuit?
What is a client?
The time needed for information to travel.
Local Are Networks are, well local :-), they are the networks…
In simple terms a switch that facilitates a connection (think…
A client is a devise that connects to the network and uses an…
Define information lag and discuss its…
The time needed for information to travel.
How do local area networks (LANs) diff…
Local Are Networks are, well local :-), they are the networks…
39 terms
Data Communication and Networking CH1
Data Communication
Telecommunication
Three basic hardware for data communic…
Server
The movement of computer information from on epoint to anothe…
Transmission of video and voice as well as data and usually i…
Server (personal computer, mainframe), Client (personal compu…
Stores data or software that can be accessed by the client. S…
Data Communication
The movement of computer information from on epoint to anothe…
Telecommunication
Transmission of video and voice as well as data and usually i…
29 terms
Data Communication and Computer Networks
T/F: Packet-switching networks (ala th…
T/F: When an application uses the conn…
T/F: The Domain Name Service (DNS) is…
T/F: SMTP is an example of a protocol…
False
True
False
False
T/F: Packet-switching networks (ala th…
False
T/F: When an application uses the conn…
True
40 terms
IS 315 Networking & Data Communication
Task
Thread
Interrupt
Port
unit of execution
a thread of execution is the smallest sequence of programmed…
An interrupt is a signal from a device attached to a computer…
portal for incoming or outgoing wire or optical fiber cords
Task
unit of execution
Thread
a thread of execution is the smallest sequence of programmed…
27 terms
Chapter 1 Data Communications and Networking
Data Communications
Packet Switching
Packet Switching Affects
A Public Network
The study of low-level mechanisms and technologies used to se…
A mode of data transmission that allows data to broken down a…
*It provided the basis for the modern Internet... *allows multip…
Run as a service that is available to subscribers
Data Communications
The study of low-level mechanisms and technologies used to se…
Packet Switching
A mode of data transmission that allows data to broken down a…
36 terms
Introduction to Computer Networks and Data Communications
What is computer network?
What technologies are essential to com…
Data
Hard disk drive
A computer network is a group of computer systems and other c…
Signaling, addressing, routing, error checking, ... multiplexing,
information that has been translated into a form more conduci…
uses rapidly rotating disks (platters) coated ... with magnetic…
What is computer network?
A computer network is a group of computer systems and other c…
What technologies are essential to com…
Signaling, addressing, routing, error checking, ... multiplexing,
17 terms
Data Communications and Networks Chapter 1
Data Communications
Telecommunications
client
server
the movement of computer information from one point to anothe…
voice, video, and data transmission
user device to access network and receive data from server
device that stores and transmits data to a client
Data Communications
the movement of computer information from one point to anothe…
Telecommunications
voice, video, and data transmission
40 terms
Data Communications and Network Chapter 3
Physical Layer
Types of Circuits in the physical layer
Physical Circuits
Logical Circuits
focus on transmission over circuits
Physical and Logical Circuits
connect devices and include wires
refer to the transmission characteristics of the circuit
Physical Layer
focus on transmission over circuits
Types of Circuits in the physical layer
Physical and Logical Circuits
24 terms
Data Communications and Networks Chapter 4
Data Link Layer
Major Functions of Data Link Protocol
Media Access Control
Media Access Control Approach: Content…
controls the way messages are sent on media
Media Access Control... Error Control... Message Delineation
controls which device transmits and when
transmit whenever circuit is available with no centralized co…
Data Link Layer
controls the way messages are sent on media
Major Functions of Data Link Protocol
Media Access Control... Error Control... Message Delineation
12 terms
Data Communications and Networks Chapter 2
Application Layer
Four Components of Applications
Host Based Architecture... Advantages... Dis…
Client Based Architecture... Advantages…
software that enables users to interact with the network and…
presentation logic, application logic, data access logic, dat…
the server contains all components... very simple, single point…
Client contains presentation, application, and data process…
Application Layer
software that enables users to interact with the network and…
Four Components of Applications
presentation logic, application logic, data access logic, dat…
44 terms
Computer Science: Data Communication & Networking/Data Management
Types of Network Processing
Communication system
Data communication
Characteristics of data communication?
Peer-to-peer Processing... Client/server computing
A collection of hardware and software that help exchange info…
The exchange on data between 2 devices using a form or wired…
- Delivery... - Accuracy... - Timeliness
Types of Network Processing
Peer-to-peer Processing... Client/server computing
Communication system
A collection of hardware and software that help exchange info…
33 terms
IT 104: Data Communication and Networking
Networking processing types
Centralized
Decentralized
Distributed
Centralized, Decentralized, Distributed
One main server
Several smaller centralized systems
Connect the decentralized systems and communication is possible
Networking processing types
Centralized, Decentralized, Distributed
Centralized
One main server
80 terms
Business Data Communications and Networking Ch 4 Definitions
Logical Link Control Sublayer (LLC)
Media Access Control Sublayer (MAC)
Contention
Controlled access
It's the data link layer's connection to the network layer ab…
Controls the physical hardware. Second sublayer. Defines how…
Computers wait until the circuit is free and then transmit wh…
The wireless access point controls the circuit and determines…
Logical Link Control Sublayer (LLC)
It's the data link layer's connection to the network layer ab…
Media Access Control Sublayer (MAC)
Controls the physical hardware. Second sublayer. Defines how…
23 terms
Information Technology URL, Data Communication an Networking.
What is a URL?
What is a URL Path
The first portion of a URL is known as…
(//www.website.com) This portion of th…
A URL is a link, which connects you to a website. It is also…
A path is a slash-separated list of directory names followed…
Protocol ( http: )
Server Name
What is a URL?
A URL is a link, which connects you to a website. It is also…
What is a URL Path
A path is a slash-separated list of directory names followed…
34 terms
IT 280 01 - Introduction to Data Communications and Networking
Data Communications
Telecommunications
Server
Client
the movement of computer information from one point to anothe…
includes the transmission of voice and video (images and grap…
a computer that stores data or software and that can be acces…
the input-output hardware device at the user's end of a commu…
Data Communications
the movement of computer information from one point to anothe…
Telecommunications
includes the transmission of voice and video (images and grap…
62 terms
Business Data Communications and Networking Ch 5 Terms
Access Control List
Address Resolution
Address Resolution Protocol
Addressing
ACL. Plays a large role in network security. Defines the type…
The process of determining the lower-layer address from a hig…
ADP. The network layer protocol standard for data link layer…
Giving a coded representation of the destination of data.
Access Control List
ACL. Plays a large role in network security. Defines the type…
Address Resolution
The process of determining the lower-layer address from a hig…
71 terms
Business Data Communications and Networking Ch2
Application Architecture
Application logic
client-based architecture
client-server architecture
the way in which the function of the application layer softwa…
business logic
the client computers perform most of the work
the work is shared between the servers and clients (dominant…
Application Architecture
the way in which the function of the application layer softwa…
Application logic
business logic
54 terms
Data Communications and Computer Networks Ch 10
ARPANET
MILNET
Internet Protocol, IP
Datagram
One of the country's first wide area packet-switched networks…
The network for military use only that the Department of Defe…
The software that prepares a packet of data so that it can mo…
The entity or packet of data transmitted in a datagram packet…
ARPANET
One of the country's first wide area packet-switched networks…
MILNET
The network for military use only that the Department of Defe…
3) Computer Networks and Data Communication
What is a node?
What is a peer-to-peer network operati…
What is a client/server network operat…
What is a hierarchical network operati…
any system or device connected to a network... EX: network co…
1) all nodes share communications management... 2) server not re…
1) server is the mediator of communication on the network... 2)…
1) host computer is the centralized control point... 2) host man…
What is a node?
any system or device connected to a network... EX: network co…
What is a peer-to-peer network operati…
1) all nodes share communications management... 2) server not re…
23 terms
Data Communications and Computer Networks Ch 6
White Noise
Impulse Noise
Crosstalk
Echo
A relatively constant type of noise, much like the static you…
A non constant noise that is one of the most difficult errors…
An unwanted coupling between two different signal paths.
The reflective feedback of a transmitted signal as the signal…
White Noise
A relatively constant type of noise, much like the static you…
Impulse Noise
A non constant noise that is one of the most difficult errors…
Information Technology (DATA COMMUNICATION AND NETWORKS)
Data communication
Network
LAN
MAN
Data Communication is the process of transferring data from o…
A Network is a group of two or more computer systems linked t…
LAN (local area network) is a network of computers within the…
A MAN (metropolitan area network) is a network that interconn…
Data communication
Data Communication is the process of transferring data from o…
Network
A Network is a group of two or more computer systems linked t…
77 terms
Data Networking and Communication Quiz 1 Prep
What are the 5 components of data comm…
Name the 5 ways data can be represented?
What is a network made up of?
What are the 2 categories of nodes?
Sender, Receiver, Message, Transmission Media, Protocol
Audio, Text, Number, Image, Video
Nodes, links, interfaces
End nodes and Connecting (networking) nodes
What are the 5 components of data comm…
Sender, Receiver, Message, Transmission Media, Protocol
Name the 5 ways data can be represented?
Audio, Text, Number, Image, Video
45 terms
Business Data Communications and Networking Chapter 9
Abilene network
ARDNOC
ADSL
Autonomous systems
Part of Internet2 that is run by Indiana University.
Advanced Research and Development Network Operations Center.…
Asymmetric DSL. A data link layer technology that provides hi…
Part of the network operated by a common carrier such as Spri…
Abilene network
Part of Internet2 that is run by Indiana University.
ARDNOC
Advanced Research and Development Network Operations Center.…
72 terms
Business Data Communications and Networking Ch1
American National Standards Institute…
Application Layer
Application Service Provider (ASP)
AT&T
coordinating organization for the US national system of stand…
end user's access to the network. provide a set of utilities…
An application service develops an application system and com…
American Telephone & telegraphes
American National Standards Institute…
coordinating organization for the US national system of stand…
Application Layer
end user's access to the network. provide a set of utilities…
66 terms
Business Data Communications and Networking Ch 5 Terms
Access Control List
Address Resolution
Address Resolution Protocol
Addressing
Plays a large role in network security. Defines the types of…
The process of determining the lower-layer address from a hig…
The network layer protocol standard for data link layer addre…
Used to direct messages from source to destination. A portion…
Access Control List
Plays a large role in network security. Defines the types of…
Address Resolution
The process of determining the lower-layer address from a hig…
52 terms
Data Communications and Computer Networks Ch1
Computer Network
Wireless
Personal Area Network (PAN)
Local Area Network (LAN)
An interconnection of computers and computing equipment that…
A shorthand term often used to denote the transmission of sig…
A network that involves wireless transmissions over a short d…
A communication network that interconnects a variety of data…
Computer Network
An interconnection of computers and computing equipment that…
Wireless
A shorthand term often used to denote the transmission of sig…
52 terms
Data Communications and Computer Networks Ch 2
Digitization
Data
Signals
Analog Data
The process of converting an analog signal or data into digit…
Entities that convey meaning within a computer or computer sy…
The electric or electromagnetic encoding of data. Signals are…
Data that is represented by continuous waveforms, which can b…
Digitization
The process of converting an analog signal or data into digit…
Data
Entities that convey meaning within a computer or computer sy…
77 terms
Data Communications and Computer Networks Ch 3
Conducted Media - Guided
Wireless Media - Unguided
Twisted Pair Wire
Crosstalk
The message flows through a physical media.
The message is broadcast through space.
Two or more pairs of single-conductor copper wires that have…
An unwanted coupling between two different signal paths.
Conducted Media - Guided
The message flows through a physical media.
Wireless Media - Unguided
The message is broadcast through space.
39 terms
Data Communications and Computer Networks Ch 4
Interfacing
De Facto Standard
Electrical Component
Mechanical Component
The process of creating an interconnection between a peripher…
A standard that has not been approved by a standards - making…
A portion of an interface that deals with voltages, like capa…
One of the four parts of an interface; deals with items such…
Interfacing
The process of creating an interconnection between a peripher…
De Facto Standard
A standard that has not been approved by a standards - making…
36 terms
Data Communications and Computer Networks Ch 9
Metropolitan Area Network, MAN
Wide Area Network
Failover
Failover Time
A network that serves an area of 3 to 30 miles - approximatel…
An interconnection of computer and computer-related equipment…
The process of a network reconfiguring itself if a network fa…
The time necessary for a network to reconfigure or reroute, s…
Metropolitan Area Network, MAN
A network that serves an area of 3 to 30 miles - approximatel…
Wide Area Network
An interconnection of computer and computer-related equipment…
31 terms
Data Communications and Computer Networks Ch5
Multiplexing
Frequency Division Multiplexing FDM
Channel
Multiplexor
Transmitting multiple signals on one medium at essentially th…
The oldest and one of the simplest multiplexing techniques, F…
A path or connection typically supporting one user.
Transmitting multiple signals on one medium at essentially th…
Multiplexing
Transmitting multiple signals on one medium at essentially th…
Frequency Division Multiplexing FDM
The oldest and one of the simplest multiplexing techniques, F…
25 terms
Business Data Communications & Networking Ch 8 Terms
Access VPN
ATM
BRI
B channel
Gives employees access to an organization's networks from a r…
Asynchronous transfer mode. A communication switch that handl…
Basic Rate Interface, sometimes called basic access service (…
Part of BRI. Handles digitized voice, data, and image transmi…
Access VPN
Gives employees access to an organization's networks from a r…
ATM
Asynchronous transfer mode. A communication switch that handl…
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