6 Written questions
6 Multiple choice questions
- TTL is now a hop count rather than time based for simpler calculation
- Link local address are addresses that are automatically configured using the interfaces hardware address.
These addresses are not routable!
Link local address use the prefix fe80::/10
- Unicast addresses identify a single network interface. This is the most common type of address used. And is analogous to an IPv4 address
- Global address
- IPv6 provides global multicast support. If you can route to it you can multicast to it!
- Maximum transmit unit:
Path MTU Discovery
-Packet is sent using routers MTU, any router along the way that can not handle the packet sends an ICMPv6 packet to big message back with its MTU
5 True/False questions
Anycast → An Anycast address is an address that is applied to more than one interface.
When a packet is routed to an Anycast address it is delivered to the first interface discovered configured with that Anycast address
More Addresses → IPv6 uses a 128 bit address space
That is about 340,282,366,920,938,000,000,000,000,000,000,000,000 addresses
Benefits of IPV6 → Address Exhaustion
Need for IPV6 → More Addresses
Security Support Mandatory
Global Multicast Support
Fixed Extendable Header
No Packet Fragmentation
Mobility → IPv6 has the ability for entire subnets to move from one router to another router without needing address re-assignment