Flashcards in Network Models Deck (77)
What does OSI stand for?
Open Systems Interconnection
What does TCP/IP stand for?
Transmission Control Protocol/Internet Protocol
What is a model?
Simplified representation of the real thing
Who created the OSI seven-layer model?
International Organization for Standardization
What are sets of clearly defined rules, regulations, standards, and procedures that enable hardware and software developers to make devices and applications that function properly at a particular layer?
How many layers does the OSI model have?
What is Layer 1 of the OSI model?
What is Layer 2 of the OSI model?
What is Layer 3 of the OSI model?
What is Layer 4 of the OSI model?
What is Layer 5 of the OSI model?
What is Layer 6 of the OSI model?
What is Layer 7 of the OSI model?
What is a good acronym to use to remember the seven-layers of the OSI model?
Please do not throw sausage pizza away
Describe an unshielded twisted pair cable.
Usually contains 4 pairs of wires that can transmit and receive data
Anything that moves data from one system to another, such as copper cabling, fiber optics and radio waves is part of what layer of the OSI model?
Layer 1 - Physical
What serves as the interface between the PC and the network?
Network interface card (NIC)
Where do you commonly find a NIC?
Built into the motherboard
What is a MAC address?
Media Access Control address - special firmware containing a unique identifier with a 48-bit value
MAC addresses are always written in ____.
12 hex characters
How many bits does a hex character represent?
What does OUI stand for?
Organizationally Unique Identifier
What does EUI stand for?
Extended Unique Identifier
What is a powerful tool that enables you to see electrical pulses?
What is a container for a chunk of data moving across a network called?
What is the unit of data specified by a protocol at each layer of the OSI seven-layer model?
Protocol Data Unit (PDU)
What is the most common wired network technology called?
What indicates what is encapsulated in the frame?
What devices filter traffic by MAC address?