IPv6

Question 1

How many bits are in IPv6 address?

Answer 1

128 bits

Question 2

How many bits or hextets make up the network portion of an IPv6 address?

Answer 2

The first 64 bits or 4 hextets(out of 8). So 64 bits make up the host portion(the last 4 hextets)

Question 3

What can be omitted in IPv6 addresses?

Answer 3

The LEADING zeros. So 2001:0DB8 would be 2001:DB8

Question 4

How do you type a IPv6 address with a string of zeros such as :0000:00FF?

Answer 4

You use double colons to translate to ::FF

Question 5

How many times can double colon be used in IPv6 address?

Answer 5

Just once

Question 6

What is Dual Stack?

Answer 6

It’s devices that run both IPv4 and IPv6 at the same time. Allowing the user to access IPv6 content on the internet. This is known as Native IPv6

Question 7

What is tunnelling method for IPv6 packets?

Answer 7

Converts IPv6 packets to IPv4 packets for them to traverse a IPv4 only network

Question 8

What is NAT64?

Answer 8

Similar to NAT it translates the IPv6 packet to IPv4 and visa-versa. The NAT64 router performs this method

Question 9

What are A,B,C,D,E and F in hexadecimal number system?

Answer 9

10,11,12,13,14 and 15

Question 10

What is a link local Unicast address?

Answer 10

An address starting with FE80 that is used only on that network. It isn’t routed outside the network by the router

Question 11

What is the ICMPv6 router message?

Answer 11

It’s the message the router sends every 200 seconds or when a device sends a router solicitation broadcast to request a router to send a IPv6 address for it to assign to itself

Question 12

What is SLAAC?

Answer 12

Stateless auto address configuration.
To assign your own IPv6 address without the use of DHCPv6

Question 13

What is SLAAC + stateless DHCPv6?

Answer 13

You create your own IPv6 address but use the DHCPv6 for DNS addresses

Question 14

How can you represent multiple hextets of only zeros in a rowe?

Answer 14

With a single double colon such as:
2001:1db8::8500