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Indicate whether the statement is true or false.
1. If the network is only configured for IPv4, then the IPv6 configuration on a client operating system doesn’t
provide any external or off-net IPv6 connectivity.
a.
True
b.
False
2. A nibble is 4 bits and there are 16 nibbles per hextet.
a.
True
b.
False
3. One of the benefits of breaking down larger address prefix blocks into smaller blocks is for network prefix
summarization in the routing tables.
a.
True
b.
False
4. Older infrastructure devices may not support IPv6 at all, and those will have to be replaced.
a.
True
b.
False
5. Infrastructure operating systems are those that generally run on client workstations.
a.
True
b.
False
Indicate the answer choice that best completes the statement or answers the question.
6. How many /64 networks can be assigned from a /60 network address prefix?
a.
16
b.
4096
c.
65536
d.
32768
7. Where is IPv6 running on a device if the device is running at “wire speed?”
a.
in an ASIC
b.
in software
c.
in flash memory
d.
in the CPU
8. When the ping command is used to communicate with an Internet computer using the computer’s hostname,
what happens first?
a.
a query is made to resolve the hostname
b.
an ICMP Echo Request message is sent
c.
an ARP reply is sent
d.
an ICMP Echo Reply message is sent
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9. Which of the following is true if a device has only an IPv6 link-local address?
a.
IPv6 communication to the Internet is possible
b.
only local IPv6 subnet communications are allowed
c.
IPv6 communications to other subnets is possible but not to the Internet
d.
no IPv6 communication is possible
10. What will the status of the A and L flags be in the RA-Prefix Information Option if a combination of
SLAAC and DHCPv6 are being used?
a.
0, 0
b.
0, 1
c.
1, 0
d.
1, 1
11. What is true about the address 2001:db8:234:567::0/64?
a.
it is an anycast address
b.
it is a broadcast address
c.
it is a valid IID
d.
it is an invalid network prefix
12. What term is used to describe a network that has IPv4 and IPv6 running simultaneously?
a.
coexisting network
b.
dual-layer network
c.
tunnel network
d.
dual-stack network
13. Which of the following is a reason to break down larger prefix blocks into smaller blocks with respect to
routing tables?
a.
neighbor validation
b.
larger subnets
c.
larger routing tables
d.
prefix summarization
14. What will the status of the M and O flags be in the RA-ICMP field if a combination of SLAAC and
DHCPv6 are being used?
a.
0, 0
b.
0, 1
c.
1, 0
d.
1, 1
15. How many /64 networks can be assigned from a /48 network address prefix?
a.
16
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b.
4096
c.
65536
d.
32768
16. The speed and performance of products that support operations in hardware (ASICs) is typically referred to
as which of the following?
a.
wire speed
b.
bits per second
c.
latency
d.
round-trip time
17. How many /60 networks can be assigned from a /48 network address prefix?
a.
16
b.
4096
c.
65536
d.
32768
18. What type of operating systems are generally found on switches, routers, and firewall?
a.
server
b.
client
c.
network
d.
infrastructure
19. How many bits are in a nibble?
a.
2 bits
b.
4 bits
c.
16 bits
d.
32 bits
20. What is the default lifetime of an IPv6 temporary address on Windows 7 Professional?
a.
24 hours
b.
8 days
c.
1 hour
d.
1 week
21. What will the status of the M and O flags be in the RA-ICMP field if a combination of SLAAC and
DHCPv6 are being used?
a.
0, 0
b.
0, 1
c.
1, 0
d.
1, 1
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22. In IPv6 addressing, a hextet may also be known as which of the following?
a.
nibble
b.
boundary
c.
quibble
d.
prefix
23. Which command is used on a Cisco 3750 router to begin configuration of VLAN 2?
a.
VLAN2 interface
b.
2 VLAN
c.
VLAN 2
d.
interface VLAN2
24. What will a Windows 7 Professional client do with an IPv6 temporary address after 24 hours?
a.
perform a release and renew
b.
request a new address
c.
regenerate the address
d.
initiate a DAD test
25. How many nibbles are in a /40 prefix?
a.
10
b.
40
c.
16
d.
5
26. What does RFC 4941 detail?
a.
the size of a network prefix
b.
the specification of anycast addresses
c.
the use of a random number generator
d.
the use of zero as a node address
Enter the appropriate word(s) to complete the statement.
27. One of the benefits of breaking down larger address prefix blocks into smaller blocks is for network prefix
__________ in the routing tables.
28. On a Windows 7 Professional client, assuming that the computer stays powered on, the IPv6 temporary
address will be “written” to soft registry and will also have a default lifetime of __________.
29. Since IPv6 addresses are expressed using hex characters, and since succeeding sets of 16 bits are separated
with a colon, we have 4 nibbles per __________.
30. Sometimes, your devices may support IPv6 but require a ___________ upgrade, which may cost and
therefore needs to be budgeted.
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31. Due to the nature of dual-stack operation, when IPv6 is the preferred protocol, the pings are successful via
__________.
Match each item with a statement below.
a.
hextet
b.
nibble
c.
dual-stack network
d.
link-local address
e.
A Record
f.
DHCPv6
g.
AAAA record
h.
infrastructure OS
i.
Packet Comment
32. directly derived from IPv4’s “octet”
33. a 4-bit aggregation
34. IPv4 and IPv6 are running simultaneously
35. not a routable address
36. resolves to an IPv4 address
37. Stateful Address Autoconfiguration
38. resolves to an IPv6 address
39. runs on a switch
40. the capability of adding metadata to a packet in the form of a note
41. What is a nibble and how is it used in IPv6 addresses?
42. What is a nibble and how is it used in IPv6 addresses?
43. Describe Wireshark IPv6 display filters.
44. Describe RFC 4941 and how it can be interpreted differently.
45. What are infrastructure OSs?
46. Describe what you should do before you implement dual-stack Internet Protocol operations.
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47. Can you use “zero” as a node address in IPv6? Explain.
48. How does Mac OS X deal with IPv6 temporary addresses?
49. How do client OSs react when multiple RAs are received?
50. How does Windows 7 Professional deal with IPv6 temporary addresses?
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