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63 Cards in this Set
- Front
- Back
LAYER 7
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APPLICATION- PROVIDES PROTOCOLS TO SUPPORT APPLICATIONS
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LAYER 6
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PRESENTATION-PUTS DATA IN A FORMAT THAT THE END SYSTEM CAN UNDERSTAND
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LAYER 5
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SESSION- HOST TO HOST COMMUNICATION, SECURITY
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LAYER 4
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TRANSPORT-END TO END TRANSPORT, FLOW CONTROL AND INTEGRITY
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LAYER 3
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NETWORK-PATH DETERMINATION AND LOGICAL ADDRESSING (IP ADDRESSING) ROUTERS
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LAYER 2
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DATA LINK-PHYSICAL ADDRESSING (MAC ADDRESS) HUBS
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LAYER 1
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PHYSICAL-MEDIA, CONVERTS BITS INTO VOLTAGE FOR TRANSMISSION
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WELL KNOWN PORTS
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PORTS ARE THOSE FROM 0 THROUGH 1023
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HIGH NUMBERED PORTS
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PORTS ARE THOSE FROM 1024 THO=ROUGH 65535
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FILE TRANSFER PROTOCOL (FTP)
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PORTS 20 AND 21
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SECURE SHELL (SSH)
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PORT 22 SECURE DATA CONNECTION
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TELNET
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PORT 23
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SIMPLE MAIL TRANSFER PROTOCOL (SMPT)
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PORT 25
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DOMAIN NAME SERVICE (DNS)
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PORT 53
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TRIVIAL FILE TRANSFER PROTOCOL (TFTP)
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PORT 69
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HYPER TEXT TRANSFER PROTOCOL (HTTP)
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PORT 80
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POST OFFICE PROTOCOL (POP)
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PORT 11O
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SIMPLE NETWORK MANAGEMENT PROTOCOL (SNMP)
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PORTS 161 &162
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SECURE HYPER TEXT PROTOCOL (HTTPS)
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PORT 443
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ADDRESS RESOLUTION PROTOCOL (ARP)
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CONVERT IP TO MAC ADDRESS
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REVERSE ADDRESS RESOLUTION PROTOCOL (RARP)
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CONVERT MAC TO IP ADDRESS
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NETWORK ADDRESS TRANSLATION (NAT)
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ALLOWS SINGLE IP TO BE USED BY MANY HOSTS
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PORT ADDRESS TRANSLATION (PAT)
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ALLOWS SINGLE IP TO BE USED BY MANY HOSTS
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COAXIAL CABLE
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COPPER CORE SURROUNDED BY SHIELDING LAYER AND GROUNDING WIRE
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TWISTED-PAIR
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INSULATED, TWISTED COPPER WIRES SURROUNDED BY PROTECTIVE JACKET
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FIBER-OPTIC
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GLASS USING LIGHT PULSES FOR DATA TRANSMISSION, RESISTANT TO EMI
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WIRELESS NETWORKS
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COMPUTER NETWORK IMPLEMENTED WITHOUT WIRES
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CARRIER SENSE MULTIPLE ACCESS (CSMA)
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POROCOL THAT VERIFIES ABSENCE OF TRAFFIC BEFORE TRANSMISSION
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CARRIER SENSE MULTIPLE ACCESS WITH COLLISION AVOIDANCE (CSMA/CA)
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SIGNALS AND WAITS FOR "ALL CLEAR" TO AVOID COLLISIONS
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CARRIER SENSE MULTIPLE ACCESS WITH COLLISION DETECTION(CSMA/CD)
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ABORTS TRANSMISSIONS AND NOTIFIES OTHER STATIONS IF COLLISION IS DETECTED
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POLLING
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MASTER QUERIES NODES TO CONTROL NETWORK TRANSMISSIONS
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LOCAL AREA NETWORKS
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CONNECTS NETWORK DEVICES OVER A RELATIVELY SHORT DISTANCE
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METROPOLITAN AREA NETWORKS
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CONNECTS NETWORK DEVICES OVER A SHORT GEOGRAPHICAL DISTANCE
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WIDE ARE NETWORKS
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CONNECTS NETWORK DEVICES OVER A LARGE GEOGRAPHICAL DISTANCE
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INTERNET
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WORLD WIDE WEB
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INTRANET
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PRIVATE, INTERNAL NETWORK
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EXTRANETS
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PRIVATE NETWORK THAT EXTENDS BEYOND THE INTRANET BOUNDARY
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BROADCAST
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TRANSMISSION TO ALL NODES ON THE NETWORK
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UNICAST
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TRANSMISSION TO ONE PARTICULAR NODE
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MULTICAST
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TRANSMISSION TO MULTIPLE NODES
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BUS TOPOLOGY
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NODES ARE CONNECTED VIA A SINGLE COMMUNICATIONS LINE
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RING TOPOLOGY
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NODES ARE CONNECTED VIA A COMMUNICATIONS LOOP
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STAR TOPOLOGY
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NODES ARE CONNECTED VIA CONNECTION TO A CENTRAL NODE
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TREE TOPOLOGY
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NODES ARE CONNECTED VIA A MULTIPLE COMMUNICATION BRANCHES
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MESH TOPOLOGY
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NODES ARE CONNECTED TO EACH OTHER
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DEDICATED LINES
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CONNECTS TWO SPECIFIC ENDPOINTS
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NONDEDICATED LINES
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CONNECTS TO REMOTE SYSTEMS AS NEEDED
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X.25 NETWORKS
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USED FOR PACKET SWITCHING IN WANS
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FRAME RELAY
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USES PACKET SWITCHING ALLOWING ORGANIZATIONS TO SHARE WAN CONNECTIONS
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ATM NETWORKS
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HIGH SPEED CELL BASED SWITCHING
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RAID 0
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DATA STRIPING OVER SEVERAL DRIVES; NO REDUNDANCY
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RAID 1
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MIRRORING ON TWO OR MORE DISKS
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RAID 5
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INTER LEAVE PARITY ON 3 OR MORE DISKS
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RAID 10
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STRIPING AND MIRRORING ACROSS SEVERAL DRIVES
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FIREWALLS
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PERMIT/DENY APPLICATIONS BASED ON ACCESS CONTROL LIST
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PACKET FILTERING
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INSPECTS AND ACCEPTS/REJECTS PACKETS PASSING THROUGH THE NETWORK
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APPLICATION-LEVEL FIREWALL(PROXY SERVER)
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PERMITS/DENIES ACCESS TO SPECIFIC APPLICATION OF SERVICES
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STATEFUL INSPECTION FIREWALL
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A FIREWALL THAT KEEPS TRACK OF THE STATE OF NETWORK CONNECTIONS
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DYNAMICS PACKET FILTERING FIREWALLS
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CONCEPTS OF A NORMAL PACKET FILTER BUT WITH INCREASED INTELLIGENCE
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VIRTUAL PRIVATE NETWORK
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SECURE PRIVATE CONNECTION THROUGH A PUBLIC NETWORK
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POINT TO POINT TUNNELING PROTOCOL (PPTP)
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TUNNELING PROTOCOL; P2P COMMUNICATION MUTUAL AUTHENTICATION; FOR IP NETWORKS
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LAYER TWO TUNNELING PROTOCOL (L2TP)
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TUNNELING PROTOCOL; P2P COMMUNICATION; WORKS OVER MULTIPLE NETWORKS
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IPsec
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TUNNELING PROTOCOL; SECURE AUTHENTICATION &ENCRYPTION; LAN TO LAN COMMUNICATION FOR IP NETWORKS
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