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Terms in this set (40)
source
The device that is originating the PDU.
destination
the target host message
channel
a communication path over a medium used to transport information from a sender to a reciever
protocols
written specifications that define what tasks a service or device should preform
Encapsulation
the process by which a device adds networking headers and trailers to data from an application for the eventual transmission of the data onto a transmission medium
Decapsulation
The process by which header and trailer information are stripped from a data packet.
access method
a set of rules used by LAN hardware to direct traffic on the network
flow control
the management of data flow between devices in a network
Response timeout
A host will listen for a response for a certain length of time before timing out
acknowledgement
notification sent from one network device to another to acknowledge that some event has occurred
Unicast
A message sent from one computer to one other computer.
Multicast
Messages are sent to a specific group of hosts on the network
broadcast
a form of transmission in which a message is delivered to all hosts on a network
protocol suite
a collection of individual protocols that determines how a network operates
Ethernet
a type of networking technology for local area networks
standard
an internationally recognized definition of technical specifications that ensure worldwide consistency
reference model
shows the decomposition and interaction of software
Protocol Data Unit (PDU)
The information transfered between layers in the same OSI stack
Default Gateway
The term applied to the router that leads to other networks.
segment
a collision domain that
is a section of a LAN that is bound by Bridges routers or switches.
in a LAN using a bus topology, a segment is a continuous electrical circuit that is often connected to other such segments with repeaters. when used with a TCP the term segment refers to the work TCP does to accept a large piece of data from an application and break it into smaller pieces.
which of the following elements do both human and computer communication systems have in common
source, channel, receiver
what happens to frames that are too long or too short for the channel used?
they are dropped
which message timing Factor impacts how much information can be sent and the speed in which it can be delivered?
access method
what is the name given to a one-to-many message delivery option?
Unicast
what name is given to a group of interrelated protocols necessary to perform a communication function?
Protocol suite
what type of protocol describes communication over a data link and the physical transmission of data on the network media?
network access protocol
which of the following are examples of proprietary protocols?
Appletalk, Novell Netware
which organization is responsible for the standard that defines media access control for wired ethernet?
IEEE
what organization is responsible for the overall management and development of Internet standards?
IAB
which organization is responsible for developing Communications standards for voice over IP devices?
the Telecommunications industry Association
which of the following TCP/ IP protocol exist at the transport layer of the TCP /IP reference model?
TCP, UDP
which of the following OSI model layers have the same functionality as the network access layer in the TCP/ IP model?
physical, data link
which OSI reference model layer is responsible for common representation of the data transferred between application layer services?
presentation
which TCP/ IP model layer is responsible for providing the best path through the network?
Internet
which application-layer protocol allows users on one network to reliably transfer files to and from a host on another Network?
FTP
what is the transport layer pdu?
segment
what is the correct order of data de- encapsulation
bit-frame-packet-segment-data
what pieces of information are required for a host to access resources on the local network?
physical address, network address, process number port
what pieces of information are required for a host to access resources on a remote Network?
physical address, network address, process number Port, default gateway address
what are some of the four major responsibilities of network protocols?
encoding ,formatting, encapsulation, timing
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