Network Models

Question 1

First six hex digits of a MAC address - no other manufacturer can use them

Answer 1

Organizationally Unique Identifier

Question 2

Numbering name space (another name) for a MAC address

Answer 2

Extended Unique Identifier (EUI, EUI-48)

Question 3

The aspect of a NIC that talks to the system’s OS, providing flow control; one job/sublayer of the Data Link layer

Answer 3

Logical Link Control (LLC)

Question 4

The second job/layer of the Data Link layer; it creates and addresses frames, adds/checks the FCS, and sends frames along the network cabling

Answer 4

Media Access Control (MAC)

Question 5

Primary logical addressing protocol makes sure a piece of data gets where it needs to on a network; it gives each device a unique numeric identifier

Answer 5

Internet Protocol (IP)

Question 6

Code built into an OS that enables network-aware applications, allowing programmers to enhance or extend an application’s capabilities

Answer 6

Application Programming Interface (API)