redes de computadora expo ingles
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One network is a computer system interconnected each
other . the most simple possible network is conformed with
two connected computers by a cable or connect thousand
of computers (network internet).
the way of connect computers are variety and it can be
though a cable or radiofrecuency (RF)
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Share Infomation or
data
Reduction of costs when it
shares a lot of dates and
software
Althouhg the interconections , it
allows us to do personal works
in our computer .
Security , also it allow us to
create backups of archives in
many computes.
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NETWORKS ARE
COMPOSED BY
CUSTOMERS SERVERS
Computers applying
LAN information
Computers containing
informationor resources shared
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Base communications.
They are the basis of the exchange of information between
devices.
Set of rules.
Establish how fast communication devices will transmit the
information.
Examples:
OSI
FTP
TCP / IP
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NIVEL 3: NETWORKNIVEL 1: PHYSICAL NIVEL 2: DATA LINK
NIVEL 5: SESSION
NIVEL 4: TRANSPORT
NIVEL 7: APPLICATION
NIVEL 6: PRESENTATION
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Network
Internet
TRANSPORT
Application
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CLASSIFICATIONOF
NETWORKS
Networks
LAN
Networks
WAN
Networks
InternetNetworks
MAN
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They are networks local area have an extension of
10 meters
1 kilometer
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networks are computer oversized than LAN networks
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Translate information Between systems of diferent format dates
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Network Topologies
It is the arrangement of different components of a network
bus topologies
It has all its connected directly to link nodes and it does not
has other connection between nodes
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Ring topology
Ring topology comprises a single enclosed ring formed by nodes
and links
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Star topology
The star topology has a central node from which radiate all links to
other nodes to connected
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Topology treeThe tree consists of a node trunk
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HOSTNIC
THE WIRING
HUB
SWITCH ROUTER
OPERATINGSYSTEM
Comprised of hardware andsoftware components
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It communicates with other elements of a network.
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Intermediary between your computer and other network
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Connecting the network Components
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It enables communication with the computer.
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Sends data packets between networks
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Allows interconnection network segments
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Enables you to connect to computers
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