Review Questions


1

What is the length of an IPv6 address?

2

How are IPv6 addresses represented?

3

What are the two rules for compacting IPv6 addresses?

4

Why is it illegal to use more than one double colon in an IPv6 address?

5

What is the difference between the IPv6 addresses ::/0 and ::/128?

6

What is the part of the unicast IPv6 address that specifies the host, and what is its length?

7

What is the length of the Subnet ID portion of the unicast IPv6 address?

8

If the first 10 bits of an IPv6 address are FF80::/10, what type of address is it?

9

What type of address is 3FFE:204:100:90::1?

10

What is an anycast address?

11

What is a multicast address?

12

What is the length of the IPv6 header?

13

What is the purpose of the Flow Label field in the IPv6 header?

14

To what field in the IPv4 header does the IPv6 Next Header field correspond?

15

To what field in the IPv4 header does the IPv6 Hop Limit field correspond?

16

In what way is the IPv6 Next Header field like the IPv4 Protocol Number field, and in what way is it different?

17

How do extension headers make IPv6 packets more efficient?

18

What is the Next Header value of ICMPv6?

19

What is the significant difference between IPv4 fragmentation and IPv6 fragmentation?

20

What are the five ICMPv6 messages used by the Neighbor Discovery Protocol?

21

What is the purpose of the M and O flags in the RA?

22

What is the purpose of the Reachable Time field of the RA?

23

What is the purpose of the Retransmit Timer field in the RA?

24

What is indicated if the Router Lifetime field in the RA is set to 0?

25

What is the purpose and effect of the S flag in the NA?

26

What is the difference between stateful and stateless address autoconfiguration?

27

What two steps does MAC-to-EUI64 conversion use to derive an Interface ID?

28

When a device acquires a unicast IPv6 address it must perform Duplicate Address Detection, with one exception. What is that exception?

29

What does the prefix FF02:0:0:0:0:1:FF00::/104 signify?

30

What does IPv6 use in place of ARP and an ARP cache?

31

What is a privacy address?

32

What does an Incomplete state of an entry in the neighbor cache signify?

33

What does a Probe state of an entry in the neighbor cache signify?

34

What two ways does Neighbor Unreachability Detection use to verify two-way reachability of a neighbor?




CCIE Professional Development Routing TCP/IP (Vol. 12005)
Routing TCP/IP, Volume 1 (2nd Edition)
ISBN: 1587052024
EAN: 2147483647
Year: 2005
Pages: 233

flylib.com © 2008-2017.
If you may any questions please contact us: flylib@qtcs.net