CCNA unit 1

Class A

10.0.0.0/8

Class b

172.16.0.0/12

Class c

192.168.0.0/16

IPv6 prefix: global Unicast

2000:: /3

IPv6 prefix: embedded ipv4

:: /80

IPv6 prefix: unspecified address

::/128

IPv6 prefix: loopback

::1 /128

Layer 2 Switch

A type of switch that switches packets based on the MAC address.

IPv6 prefix: unique local

FC00::/7

IPv6 prefix: link local

FE80:: /10

Layer three switch

Uses MAC and IP address information

fragment-free switching

a cut-through switching method that begins to forward data after receipt of the first 64 bytes of a frame

cut-through switching

a switching method that begins the forwarding process as soon as enough information has been received to make a forwarding decision

store-and-forward switching

frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame