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21 Cards in this Set
- Front
- Back
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A "generic term" for any OSI Layer unit of measurement is:
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Protocol Data Unit (PDU)
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Regarding TCP/IP, which three (3) Layers combine into one?
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Application, Presentation, Session
Layers 5,6,7 |
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How do "Virtual" Channels communicate?
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they communicate with "Headers"
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Which layer of the OSI stack is "real"?
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Layer 1- Physical
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Regarding En-/Decapsulation, what is the relationship between layer "i" and layer "i+1"?
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layer "i+1" is TUNNELED inside of layer i
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What "runs" the Internet?
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TCP/IP
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What layer is TCP?
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Layer 4- Transport
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What layer is IP?
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Layer 3- Network
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Regarding TCP/IP, which gets encapsulated inside of which?
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IP "prepens" its bits inside of TCP
(think of the concept of i+1) |
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What is layer 1 of the TCP/IP Stack?
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Physical
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What is layer 2 of the TCP/IP Stack?
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Network Interface
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What is layer 3 of the TCP/IP Stack?
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Internet (routes traffic between Networks)
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What is layer 4 of the TCP/IP Stack?
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Transport
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What is layer 5 of the TCP/IP Stack?
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Application
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What is digital data measured in?
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Bits per second...Not BYTES!!!!
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Bandwidth in Perspective- Optical Carrier (OC) -1 is at what bandwidth?
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52 Mbps
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Knowing the bandwidth of OC-1, what is the bandwidth of OC-24? OC-192?
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OC-24 - 52 x 24= 1.24Gbps
OC-192- 52 x 192= 10 Gbps (approx) |
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Regarding "LAN" topologies, physical layout is inconsequential, what does matter is the ________ behavior of the pathways.
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Electrical
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LAN topologies, if we have a HUB, we have a...
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Bus Topology
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LAN topologies, if we have a SWITCH, we have a ...
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Star Topology
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LAN topologies, if we have a MAU (or MSAU), we have a ...
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Ring Topology
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