1.1 Layer 2 (Data Link Layer)

Question 1

Layer 2 device examples…

Answer 1

Network interface cards (MAC addresses)
Bridges
Switches

Question 2

What are the three communication schemes on which layer 2 can be synchronized?

Answer 2

Isynchronous, Synchronous, Asynchronous

Question 3

Packages data into frames and transmits those frames on the network

Answer 3

Data link Layer

Question 4

• a unique 48-bit physical addressing system is assigned to every network interface card (NIC) produced
• The first six characters are the vendor identifier code and the last six characters are unique to the device

Answer 4

MAC address

Question 5

Provides connection services and allows acknowledgement of receipt of messages

Answer 5

logical Link control