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55 Cards in this Set
- Front
- Back
* Voltage levels and timings of voltage changes.
* Physical data rates and maximum transmission distances * Physical Connectors. |
Physical Layer (Layer 1)
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Specifies the topology or layout of the transmission media.
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Physical Layer (Layer 1)
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* Network Interface Cards (NIC)
* Transceivers * Repeaters * Hubs * Multi Station Access Units (MAU’s) |
Physical Layer (Layer 1)
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* LAN specifications and
* WAN specifications |
Physical Layer (Layer 1)
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The protocol layer which transfers data between adjacent network nodes in a wide area network or between nodes on the same local area network segment.
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Data Link Layer (Layer 2)
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Provides the functional and procedural means to transfer data between network entities and might provide the means to detect and possibly correct errors that may occur in the Physical Layer.
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Data Link Layer (Layer 2)
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Concerned with local delivery of frames between devices on the same LAN.
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Data Link Layer (Layer 2)
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Specifies how devices detect and recover from collisions, but it does not prevent them from happening.
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Data Link Layer (Layer 2)
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This layer conveys the bit stream electrical impulse, light or radio signal through the network at the electrical and mechanical level.
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Physical Layer (Layer 1)
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Provides the hardware means of sending and receiving data on a carrier, including defining cables, cards and physical aspects.
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Physical Layer (Layer 1)
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Fast Ethernet, RS232, and ATM are protocols within this layer's components.
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Physical Layer (Layer 1)
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At this layer, data packets are encoded and decoded into bits.
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Data Link Layer (Layer 2)
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Furnishes transmission protocol knowledge and management and handles errors in the physical layer, flow control and frame synchronization.
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Data Link Layer (Layer 2)
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This layer is divided into two sub layers: The Media Access Control (MAC) layer and the Logical Link Control (LLC) layer.
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Data Link Layer (Layer 2)
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This layer provides switching and routing technologies, creating logical paths, known as virtual circuits, for transmitting data from node to node.
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Network Layer (Layer 3)
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Routing and forwarding are functions of this layer, as well as addressing, internetworking, error handling, congestion control and packet sequencing.
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Network Layer (Layer 3)
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Responds to service requests from the Transport Layer and issues service requests to the Data Link Layer.
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Network Layer (Layer 3)
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Host addressing
Message forwarding |
Network Layer (Layer 3)
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Maintains logical addresses such as IP addresses for devices on the network.
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Network Layer (Layer 3)
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This layer provides transparent transfer of data between end systems, or hosts, and is responsible for end-to-end error recovery and flow control.
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Transportation Layer (Layer 4)
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Ensures complete data transfer.
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Transportation Layer (Layer 4)
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Responsible for delivering data to the appropriate application process on the host computers.
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Transportation Layer (Layer 4)
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Provides the necessary functions to enable communication between software application processes on different computers.
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Transportation Layer (Layer 4)
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Responsible for end-to-end or host-to-host transport.
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Transportation Layer (Layer 4)
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Responsible for defining the means by which potentially large amounts of application data are divided into smaller blocks for transmission.
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Transportation Layer (Layer 4)
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Provides connection services for the protocols and applications that run at the levels above it. These can be categorized as either connection-oriented services or connectionless services.
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Transportation Layer (Layer 4)
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This layer establishes, manages and terminates connections between applications.
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Session Layer (Layer 5)
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Sets up, coordinates, and terminates conversations, exchanges, and dialogues between the applications at each end.
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Session Layer (Layer 5)
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Provides the higher layer protocols through command sets often called application program interfaces or APIs.
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Session Layer (Layer 5)
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This layer provides independence from differences in data representation (e.g., encryption) by translating from application to network format, and vice versa.
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Presentation Layer (Layer 6)
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Works to transform data into the form that the application layer can accept.
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Presentation Layer (Layer 6)
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This layer formats and encrypts data to be sent across a network, providing freedom from compatibility problems.
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Presentation Layer (Layer 6)
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Sometimes called the syntax layer.
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Presentation Layer (Layer 6)
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In this layer all different formats from all sources are made into a common uniform format that the rest of the OSI model can understand.
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Presentation Layer (Layer 6)
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Responsible for protocol conversion, character conversion,data encryption / decryption, expanding graphics commands, data compression.
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Presentation Layer (Layer 6)
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Sets standards for different systems to provide seamless communication from multiple protocol stacks.
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Presentation Layer (Layer 6)
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Not always implemented in a network protocol.
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Presentation Layer (Layer 6)
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Takes the data provided by the Application layer and converts it into a standard format that the other layers can understand.
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Presentation Layer (Layer 6)
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This layer supports application and end-user processes.
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Application Layer (Layer 7)
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Communication partners are identified, quality of service is identified, user authentication and privacy are considered, and any constraints on data syntax are identified.
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Application Layer (Layer 7)
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Everything at this layer is application-specific.
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Application Layer (Layer 7)
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This layer provides application services for file transfers, e-mail, and other network software services.
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Application Layer (Layer 7)
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Telnet and FTP are applications that exist entirely in this layer.
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Application Layer (Layer 7)
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Protocols:
DNS; FTP; TFTP; BOOTP; SNMP;RLOGIN; SMTP; MIME; NFS; FINGER; TELNET; NCP; APPC; AFP; SMB |
Application Layer (Layer 7)
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Network Components:
Gateway |
Application Layer (Layer 7)
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Protocols:
IEEE 802 IEEE 802.2 ISO 2110 ISDN |
Physical Layer (Layer 1)
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Network Components:
Gateway Redirector |
Presentation Layer (Layer 6)
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Protocols:
NetBIOS Names Pipes Mail Slots RPC |
Session Layer (Layer 5)
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Network Components:
Repeater Multiplexer Hubs * Passive * Active TDR Oscilloscope Amplifier |
Physical Layer (Layer 1)
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Protocols:
TCP, ARP, RARP; SPX NWLink NetBIOS / NetBEUI ATP |
Transportation Layer (Layer 4)
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Network Components:
Gateway Advanced Cable Tester Brouter |
Transportation Layer (Layer 4)
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Protocols:
IP, ARP, RARP, ICMP, RIP, OSFP, IGMP, IPX, NWLink, NetBEUI, OSI, DDP, DECnet |
Network Layer (Layer 3)
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Network Components:
Brouter Router Frame Relay Device ATM Switch Advanced Cable Tester |
Network Layer (Layer 3)
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* communicates with the adapter card
* controls the type of media being used: 802.3 CSMA/CD (Ethernet) 802.4 Token Bus (ARCnet) 802.5 Token Ring 802.12 Demand Priority |
Media Access Control (SubLayer of Data Link Layer {Layer 2})
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* error correction and flow control
* manages link control and defines SAPs 802.1 OSI Model 802.2 Logical Link Control |
Logical Link Control (SubLayer of Data Link Layer {Layer 2})
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