Chapter 7: IP Addressing

Question 1

What happened to this MAC address to go from looking like this: 0060:d673:1987 to look like this: 0260:d6FF:FE73:1987 ? pg. 221

Answer 1

it was padded

Question 2

What’s the difference between 10 and 00 when it comes to the 7th bit within the first octet? pg. 222

Answer 2

10= Universally Unique; 00= Locally Unique

Question 3

What type of address is this: fe80::1 pg. 222

Answer 3

link local address

Question 4

What has made IPv6 addressing simple? pg. 222

Answer 4

flipping the 7th bit

Question 5

T/F By default, the U/L bit is 0. pg. 222

Answer 5

True

Question 6

What’s the distinct difference between DHCPv4 and DHCPv6? pg. 223

Answer 6

supports IPv6

Question 7

What are options offered by DHCP that isn’t offered by autoconfiguration? pg. 223

Answer 7

DNS servers, domain names

Question 8

What’s a highly dependent consideration when considering the investment to make on implementing IPv6 within your network? pg. 223

Answer 8

infrastructure

Question 9

What’s been created to ease the integration process? pg. 224

Answer 9

migration strategies

Question 10

The most common migration strategy which allows devices to communicate via IP4 or IP6 is __. pg. 224

Answer 10

Dual Stacking

Question 11

This migration strategy allows IPv6 packets to carry over IPv4. pg. 224

Answer 11

6to4 tunneling

Question 12

How is it that an IPv6 packet can carry over on IPv4? pg. 224

Answer 12

an IPv4 header is placed on the front of the IPv6 packet

Question 13

What could happen in the 6to4 tunnel if the IPv4 network has a NAT translation point? pg. 224

Answer 13

it would break the tunnel encapsulation

Question 14

What’s the alternative to dealing with NAT to keep your packets safe? pg. 225

Answer 14

Toredo which places the packets in UDP

Question 15

What’s the tunneling technique used on native IPv6 Linux and BSD Unix machines? pg. 225

Answer 15

Miredo