Data-Link Layer Terms

Question 1

MAC Address

Answer 1

Media Access Control Address. Physical Addressing system for a device which operates on a logical topology. Unique 48-bit address VE:ND:OR : VA:LU:ES

Question 2

LLC

Answer 2

Logical Link Control. Provides connection Services and allows acknowledgement of receipt of messages. Most basic flow control and error control.

Question 3

Isochronous

Answer 3

Network devices use a common reference clock source and create time slots for transmission.

Question 4

Synchronous

Answer 4

Network devices agree on clocking method to indicate beginning and end of frames; Can use control characters.

Question 5

Asynchronous

Answer 5

Network devices reference their own internal clocks and start and stop bits.

Question 6

Layer 2 Devices

Answer 6

Switches, Bridge, MAC addresses