IP Addressing

Question 1

Classes of IP Address

Answer 1

A 1-126
B 128-191
C 192-223
D 224-239

Question 2

Private IP

Answer 2

A 10.0.0.0
B 172.16.0.0-172.32.0.0
C 192.168.0.0

Question 3

DHCP

Answer 3

Dynamic Host Control Protocol (DHCP)
▪ Provides clients with
Port 67/68

● IP

● Subnet mask

● Default gateway

● DNS server

Question 4

APIPA

Answer 4

Allows a network device to self-assign an IP address from the 169.254.0.0/16 network

Question 5

VLSM

Answer 5

Variable-Length Subnet Masking (VLSM)

▪ Allows subnets of various sizes to be used
▪ Requires a routing protocol that supports it
● RIPv2, OSPF, IS-IS, EIGRP, and BGP
▪ Basically, it is subnetting subnets
▪ Without VLSM, all subnets would have to be the same size

Question 6

NDP

Answer 6

IPv6
▪ Used to learn Layer 2 addresses on network
▪ Router Solicitation
● Hosts send message to locate routers on link

Question 7

IPv6 Data Flows

Answer 7

IPv6 Data Flows
▪ Three data flow methods, like IPv4

● Unicast

● Multicast

● Anycast (new to IPv6)