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39 Cards in this Set
- Front
- Back
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IEEE |
Institute of Electrical and Electronic Engineers
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IETF |
internet engineering task force |
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who overseas TCP/IP? |
IETF |
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Wat does TCP stand for? |
transmission control protocol |
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What does UDP stand for? |
User Datagram Protocol |
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ISO stands for? |
international organization for standardization |
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OSI stands for? |
open systems interconnection |
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Who oversees OSI? |
ISO |
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What is SNA |
Systems Network Architecture, old propreitary stack by IBM in '74 |
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RFC? |
request for comments, how tcp/ip protocols get made |
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HTTP? |
Hyper Text Transfer Protocol |
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URL? |
uniform resource locator |
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PDU? |
protocol data unit |
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DSL? |
digital subscriber line |
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L4 PDU? |
segment |
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L3 PDU? |
packet |
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L2 PDU |
frame |
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What are the layers of the original TCP/IP model? |
Application, Transport, Internet, Link |
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What are the modified TCP/IP layers? |
Application, Transport, Internet, Data Link, Physical |
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OSI? |
application, presentation, session, transport, network, data link, physical |
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What IEEE standards define ethernet? |
802.3 |
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What IEE standards define WLans? |
802.11 |
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What does UTP stand for? |
unshielded twisted pair |
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What does crosstalk stand for? |
EMI between two wire pairs in the same cable |
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Wht's an encoding scheme? |
the electronic voltages/radio frequencies used to convey meaning at the physical layer |
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SFP? |
Swappable form-factor pluggable - swappable ports for ethernet interfaces |
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What are the sections of an ethernet header/trailer? |
Preamble - syncrhonization SFD Dest Add Source ADD Type data & pad FCS |
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What does the Preamble accomplish and how large is it? |
syncronization - 7B |
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What does the SFD accomplish? |
start frame delimiter - address is coming next! -1B |
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How big are the dest & source add fields? |
6B each |
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What does Type accomplish and how large? |
signifies ipv4 or 6 - 2B |
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What are the size parameters of the data? |
46-1500 |
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What are the ethertype codes for ipv4 vs 6? |
4 - 0800, 6 = 86DD |
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What pins do host NIC's and router interfaces uses to transmit? |
1 & 2 |
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What pins do host NIC's and router interfaces us to recieve? |
3&6 |
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What pairs do gigabit ethernet add? |
4 &5, 7 & 8 |
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What does MAC stand for and how big is add? |
6 bytes, media access control |
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What is the OUI andwhat par tof the mac address is it? |
occupationally unique identifier, fist 3 bytes |
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Whats a BIA? |
burned in address - mac |
