2 types of Network Topology
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most common today
uses CSMA/CD
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CSMA/CD
Carrier Sense Multi Access with Collision Detection
Example of som...
Switch - ANSWER- connects several or 3+ compatible networks intelligently
Router - ANSWER- Connects 2 incompatible networks
Tier 1 Internet Service Providers - ANSWER- big companies- at&t, Verizon, sprint
Tier 2 Internet Service Providers - ANSWER- smaller companies- purchase
connections to bigger companies
, AISP- Access Internet Service Providers - ANSWER- xfinity, comecast, frontier
Types of Internet Applications - ANSWER- Email
FTP
Telnet/RDP
WWW (HTTP)
Voice Communication
FTP - ANSWER- file transfer protocol
HTTP - ANSWER- hyper-tech transfer protocol
RDP - ANSWER- remote desktop protocol
Client-Server Model - ANSWER- 1 server, many clients
server must execute continuously
client initiates communication
Internet Software Layers - ANSWER- IP Address
Destination Address
Packet
Intermediate Address
Sequence #
Hop Count
IP Address - ANSWER- individual to all websites, no one is the same
Destination Address - ANSWER- provided by server; included in every packet;
basically- facebook.com
like mail
Packet - ANSWER- breaks message into "packets", so many bytes per packet
Intermediate Address - ANSWER- each packet is assigned an intermediate
address
Sequence # - ANSWER- # for each packet in order, so when Facebook receives
the packets it can put the message together by putting packets in order
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