CCNA – IPv6 Questions
Here you will find answer to CCNA – IPv6 questions
If you are not sure about IPv6, please read my IPv6 tutorial
Question 1
As a CCNA candidate, you must have a firm understanding of the IPv6 address structure. Refer to IPv6 address, could you tell me how many bits are included in each filed?
A – 24
B – 4
C – 3
D – 16
Answer: D
Explanation:
The format of a IPv6 address is X:X:X:X:X:X:X:X where X is a 16-bit hexadecimal field. For example: 110A:0192:190F:0000:0000:082C:875A:132c
Question 2
In practical IPv6 application, a technology encapsulates IPv6 packets inside IPv4 packets, this technology is called what?
A – tunneling
B – hashing
C – routing
D – NAT
Answer: A
Question 3
Internet Protocol version 6 (IPv6) is the next-generation Internet Protocol version designated as the successor to IPv4 because IPv4 address space is being exhausted. Which one of the following descriptions about IPv6 is correct?
A – Addresses are not hierarchical and are assigned at random.
B – Broadcasts have been eliminated and replaced with multicasts.
C – There are 2.7 billion available addresses.
D – An interface can only be configured with one IPv6 address.
Answer: B
Question 4
Which two of these statements are true of IPv6 address representation? (Choose two)
A – The first 64 bits represent the dynamically created interface ID.
B – A single interface may be assigned multiple IPV6 addresses of any type.
C – Every IPV6 interface contains at least one loopback address.
D – Leading zeros in an IPV6 16 bit hexadecimal field are mandatory.
Answer: B C
Explanation:
Leading zeros in IPv6 are optional do that 05C7 equals 5C7 and 0000 equals 0 -> D is not corect.
Question 5
Which three of the following are IPv6 transition mechanisms? (Choose three)
A – 6to4 tunneling
B – GRE tunneling
C – ISATAP tunneling
D – Teredo tunneling
E – VPN tunneling
F – PPP tunneling
Answer: A C D
Explanation:
Below is a summary of IPv6 transition technologies:
6 to 4 tunneling: This mechanism allows IPv6 sites to communicate with each other over the IPv4 network without explicit tunnel setup. The main advantage of this technology is that it requires no end-node reconfiguration and minimal router configuration but it is not intended as a permanent solution.
ISATAP tunneling (Intra-Site Automatic Tunnel Addressing Protocol): is a mechanism for transmitting IPv6 packets over IPv4 network. The word “automatic” means that once an ISATAP server/router has been set up, only the clients must be configured to connect to it.
Teredo tunneling: This mechanism tunnels IPv6 datagrams within IPv4 UDP datagrams, allowing private IPv4 address and IPv4 NAT traversal to be used.
In fact, GRE tunneling is also a IPv6 transition mechanism but is not mentioned in CCNA so we shouldn’t choose it (there are 4 types of IPv6 transition mechanisms mentioned in CCNA; they are: manual, 6-to-4, Teredo and ISATAP).
Question 6
Which two descriptions are correct about characteristics of IPv6 unicast addressing? (Choose two)
A – Global addresses start with 2000::/3.
B – Link-local addresses start with FF00::/10.
C – Link-local addresses start with FE00:/12.
D – There is only one loopback address and it is ::1.
Answer: A D
Explanation:
Below is the list of common kinds of IPv6 addresses:
| Loopback address | ::1 |
| Link-local address | FE80::/10 |
| Site-local address | FEC0::/10 |
| Global address | 2000::/3 |
| Multicast address | FF00::/8 |
Question 7
Select the valid IPv6 addresses. (Choose all apply)
A – ::192:168:0:1
B – 2002:c0a8:101::42
C – 2003:dead:beef:4dad:23:46:bb:101
D – ::
E – 2000::
F – 2001:3452:4952:2837::
Answer: A B C D F
Explanation:
Answers A B C are correct because A and B are the short form of 0:0:0:0:192:168:0:1 and 2002:c0a8:0101:0:0:0:0:0042 while C are normal IPv6 address.
Answer D is correct because “::” is named the “unspecified” address and is typically used in the source field of a datagram that is sent by a device that seeks to have its IP address configured.
Answer E is not correct because a global-unicast IPv6 address is started with binary 001, denoted as 2000::/3 in IPv6 and it also known as an aggregatable global unicast address.The 2000:: (in particular, 2000::/3) is just a prefix and is not a valid IPv6 address.
The entire global-unicast IPv6 address range is from 2000::/128 to 3FFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF/128, resulting in a total usable space of over 42,535,295,865,117,307,932,921,825,928,971,000,000 addresses, which is only 1/8th of the entire IPv6 address space!
Question 8
What is the Multicast for all-router muticast access ?
A – FF02::4
B – FF02::3
C – FF02::2
D – FF02::1
Answer: C
(New) Question 9
Which IPv6 address used the all-rip-routers multicast group as the destination address for RIP updates?
Answer: FF02::9
Q 8
please read
http://www.iana.org/assignments/ipv6-multicast-addresses/ipv6-multicast-addresses.xml
Q7)
How come the last choice
“F – 2001:3452:4952:2837::” is correct it is all binary values for every octet ! !
it can’t be ,, IPV6 >> Hexadecimal values
@9tut plz review the answer thanks
@eng-support
binary is 0 and 1
decimal is 0 ~ 9
hexadecimal is 0 ~ 9 AND A ~ F
it is correct even if it doesn’t have any letters there
I noticed a lot of people on here were asking for the latest dumps to be sent to their email. I will be taking my CCNA test in January and wouldn’t mind taking a look at these dumps. If anyone would be kind enough to email them to me as well… I would be very grateful! My email is joel_vickery@yahoo.com.
Thanks!
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joel_vickery@yahoo.com
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Question 7
Select the valid IPv6 addresses. (Choose all apply)
A – ::192:168:0:1
B – 2002:c0a8:101::42
C – 2003:dead:beef:4dad:23:46:bb:101
D – ::
E – 2000::
F – 2001:3452:4952:2837::
How D can be true …Valid address should be “::.” and not “::”
9tut can u plz put some light on it…..
Thanks in Advance
PEOPLE!
These are the dumps!!! So please stop poluting the explanations of the questios here with your stupid requestts for dumps!!!!
Tnx
@9tut…if i got a qtn like 7 on my xam wat should be my answers?pls reply….
today i pass this exam and found new question about ipv6 it ask about
what’s solution to tunnels IPv6 datagrams within IPv4 UDP datagrams, allowing private IPv4 address and IPv4 NAT ? or something like that.
Answer : Teredo
Teredo tunneling: This mechanism tunnels IPv6 datagrams within IPv4 UDP datagrams, allowing private IPv4 address and IPv4 NAT traversal to be used.
In fact, GRE tunneling is also a IPv6 transition mechanism but is not mentioned in CCNA so we shouldn’t choose it (there are 4 types of IPv6 transition mechanisms mentioned in CCNA; they are: manual, 6-to-4, Teredo and ISATAP).
@ BQ
well said
@Q8
Can you pls explain the ans asap?
thanks.
@venkat
please read here:
http://www.iana.org/assignments/multicast-addresses/multicast-addresses.xml
http://www.intermapper.com/ipv6validator….Q7 all the IPv6 are valid. Router(config)#int f0/0
Router(config-if)#ipv6 enable
Router(config-if)#ipv6 address 2000:0000:0000:0000:0000:0000:0000:0000/64
Router(config-if)#do sh ipv6 int bri
FastEthernet0/0 [administratively down/down]
FE80::C000:8FF:FE94:0
2000::…
Regarding Question 4 read here http://www.cisco.com/en/US/technologies/tk648/tk872/technologies_white_paper0900aecd8026003d.pdf
Link for VCE with IPv6 questions…
http://www.nettechonline.net/techsupp/CCNA/IPV6Exam_hmeister.vce
да, что-то на подобии этого
Well said!
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@Xallax
i was meaning decimal values not binary .
now it is clear to me thanks
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Hi all!
please help me answer and explain the question
Which two data link layers are supported by cisco ios software for Ipv6?(choose two)
A. PPP
B. FDDI
C. Frame Relay PVC
D. NBMA
E. Frame Relay SVC
thanks so much! :)
Q2 was there in today’s exam.
@kindrock
Answers are A. PPP and C. Frame Relay PVC
Hi guys please correct the 1st question:
Refer to IPv6 address, could you tell me how many bits are included in each filed?
should be,
Refer to IPv6 address, could you tell me how many bits are included in each field?
Can you please give me the link from where i covered all of the ipv6 questions .. because i heard in test you get 10-11 questions ..
I found this on the net :
Select the valid IPv6 addresses. (Choose all apply)
A – ::192:168:0:1
B – 2002:c0a8:101::42
C – 2003:dead:beef:4dad:23:46:bb:101
D – ::
E – 2000::
F – 2001:3452:4952:2837::
Answer: A B C D F
Explanation:
Answers A B C are correct because A and B are the short form of 0:0:0:0:192:168:0:1 and 2002:c0a8:0101:0:0:0:0:0042 while C are normal IPv6 address.
Answer D is correct because “::” is named the “unspecified” address and is typically used in the source field of a datagram that is sent by a device that seeks to have its IP address configured.
Answer E is not correct because a global-unicast IPv6 address is started with binary 001, denoted as 2000::/3 in IPv6 and it also known as an aggregatable global unicast address.The 2000:: (in particular, 2000::/3) is just a prefix and is not a valid IPv6 address.
The entire global-unicast IPv6 address range is from 2000::/128 to 3FFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF/128, resulting in a total usable space of over 42,535,295,865,117,307,932,921,825,928,971,000,000 addresses, which is only 1/8th of the entire IPv6 address space!
http://dc262.4shared.com/doc/9G0VnE0E/preview.html
reply
Can you please give me the link from where i covered all of the ipv6 questions .. because i heard in test you get 10-11 questions ..
Hi all!
please help me this question:
which three approaches can be used while migrating from an ipv4 addressing scheme to an ipv6 scheme
(choose three)
A. use dhcpv6 to map ipv4 addresses to ipv6 addresses
B. configure ipv4 tunnels between ipv6 islands
C. enable dual-stack routing
D. IPsec VPN
the answer: ABC. I think the option A is wrong and the question only have 2 option is true.
please give me somes advice.
Thanks!
Hi guys,
Hi Im gonna past my ccna y a few weeks can anyone send me the latest ccna dumps?
Thanks,
calipso.xx@gmail.com
Can anyone explain how 2000::/3 binary is 001 ? My head hurts trying to work out why.
@rick
2000:0000:0000:0000:0000:0000:0000:0000 /3
2000:: /3
now… lets convert the first hex group into binary
0010 0000 0000 0000 (20000)
“it starts with 001″ means “it starts with 0010 or 0011″. global unicast addresses start with 2 or 3, right? 0010 or 0011
it’s like with IPv4 addresses. class A addresses start with 01, class B with 10, class C with 11 in binary form.
a bit of reference here:
http://www.fengnet.com/book/CCIE%20Professional%20Development%20Routing%20TCPIP%20Volume%20I/ch02lev1sec1.html
@xallax
Ahhhh, it all makes sense now. I was making it more difficult than it was. Thanks dude.
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@ paul,
Dude just go to examcollection.com
Hi !could anyone explain me why they choose letter C on Question 8?
Q2 in exam. Fantastic collection 9tut.
understad all
@lyly
quetion asks Multicast for all router in IPv6. Multicast addresses in IPv6 have the prefix ff00::/8.
The following table is a partial list of well-known IPv6 multicast addresses that are registered with the Internet Assigned Numbers Authority (IANA)
Address Description
ff02::1 All nodes on the local network segment
ff02::2 All routers on the local network segment
ff02::5 OSPFv3 AllSPF routers
ff02::6 OSPFv3 AllDR routers
ff02::9 RIP routers
ff02::a EIGRP routers
I dont remember any of these questions on test. I am having a hard time remembering multicast address — any ideas on memory techniques???