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Intro to Network Chpt 2
OSI Model - Standards
31
Computer Networking
09/12/2010

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Cards

Term

ISO

Definition

Goal is to establish int'l technological standards to facilitate global exchange of information and barrier free trade.

Term

ITU

Definition
Specialized United Nations agency that provides developing countries with technical expertise and equipment to advance those nations’ technological bases.
Term

ANSI

Definition

organization that determine standards for the electronics industry and other fields, such as chemical and nuclear engineering, health, safety and construction

Term

TIA/EIA

Definition

Two related standard organizations, best known for guidelines for how network cable should in installed.

Term

IEEE

Definition

Int'l society composed of engineering professionals, goals to promote development and education in EE and computer science

Term

ISOC

Definition

professional membership society that helps to establish technical standards for the  internet, oversee the IAB

Term

flow control

Definition

process of gauging the appropriate rate of tranmission based on how fast recipient can accept data

Term

standards

Definition

documented agreements containing technical specifications - minimum acceptable performance

Term

application layer

Definition

separates data into PDU

Term

Presentation layer

Definition

Serves as a translator

Term

Presentation layer

Definition

Mangages data encryption

Term

Session layer

Definition

establishes, maintains and terminates communication

Term

connection oriented

Definition

Transport protocols that take steps to ensure that data arrives exactly as it was sent

Term

Transport Layer

Definition

Handles flow control

Term

Transport layer

Definition

TCP

Term

Transport layer

Definition

responds with synchronization acknowledgement

Term

Segements

Definition

Transport layer breaks large data units received from Session layer into multiple smaller units called.

Term

MTU - Max transmission unit

Definition

The largest data unit  a network will carry

Term

Reassembly

Definition

process of reconstructing the segmented data units

Term

Sequencing

Definition

Method of identifying segments that belong to the same group of subdivided data, indicates where unit of data begins and order issued.

Term

Network layer

Definition

translates network addresses into their physical counterparts and decide how to route data from sender to receiver

Term

Network layer

Definition

IP

Term

Routing

Definition

process of determining the best path

Term

Routers

Definition

devices that connect network segments and direct data

Term

fragmentation

Definition

network layer protocol subdivides the segments it received from the transport layer into small packets

Term

Frame

Definition

a structured package for moving data that includes the raw data and sender' & receivers network address, error checking and control information

Term

Data link layer

Definition

divide data received from network layer into distinct frames that can be transmitted by physical layer

Term

data link layer

Definition

performs error checking

Term

physical layer

Definition

accepts frams and generate signals as changes in voltage at the NIC

Term
physical layer
Definition

hubs and repeaters

Term
Describe license tracking in networks
Definition

Determines how many copies of single application are currently in use on the network and ensure that number does not exceed the number of liceneses purchased.