2.2 Physical, Logical, and Virtual Addressing

Question 1

Physical Address

Answer 1

Media access control (MAC), or burned-in address (BIA) or hardware address. A unique 48-bit identifier assigned to the network interface controller (NIC)

Question 2

Logical Address

Answer 2

IP addresses used to route traffic from one network to another.

Question 3

Virtual Address

Answer 3

Network Address Translation (NAT) virtualizes IP addresses by mapping private, non-routable IP addresses that are assigned to internal network devices to public IP.

Question 4

Hexadecimal

Answer 4

Base 16 numbering system. (0-9, and A-F)

Question 5

Loopback address

Answer 5

127.0.0.1 - 127.255.255.255

Question 6

Class A address

Answer 6

10.0.0.0 - 10.255.255.255

Question 7

Class B address

Answer 7

172.16.0.0 - 172.31.255.255

Question 8

Class C address

Answer 8

192.168.0.0 - 192.168.255.255

Question 9

Classless inter-domain routing (CIDR)

Answer 9

Allocates address space on any address bit boundary, know as variable-length subnet masking, or VLSM