network interfaces

Question 1

define

network interface

Answer 1

the means by which a node is connected to the media and exchanges data with other network hosts

Question 2

what is the purpose of the

network adapter, network adapter card, or network interface card/controller (NIC)

Answer 2

implements the transceiver component responsible for physically connecting the node to the transmission medium

Question 3

what are the

NIC responsibilities at the data link layer

Answer 3

• organizing data into frames
• providing each interface with a hardware address

Question 4

the layer at which

the NIC is responsible for organizing data into frames and providing each interface with a hardware address

Answer 4

Data Link layer

Question 5

another name for the

Media Access Control (MAC) address

Answer 5

Ethernet address (EA)

extended unique identifier (EUI)

Question 6

how many bits in a

MAC address

Answer 6

48 binary digits (6 bytes).

Question 7

what is the

layer 2 hardware address given to a broadcast frame

Answer 7

ff:ff:ff:ff:ff:ff

Question 8

what is the purpose of

Address Resolution Protocol (ARP)

Answer 8

resolving an IP address to a hardware address

resolving IP address to MAC address

Question 9

ARP =

Answer 9

Address Resolution Protocol

Question 10

where are

results of an ARP broadcast cached

Answer 10

ARP table