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
hello guyz, i’ll be writin d exam in a few hrs, i studied d 9tut labs nd test inside 17.24, pls anybody wit added info shld hlp me thru jossykol2002@yahoo.com
please can anyone help me for this question.
1) which Mac Address is the lowest?
0013.8039.9500
0013.80d7.d580
0013.8030.5e80
0013.80c7.9700
please help me with explanation how to solve it not just give me the answers.
Answer is C
0013.8030.5e80
due to the hexadecimal order .. first 0123456789ABCDF
Just look for the lowest values from left to right.
as per the question number 7 above
Question 7
Select the valid IPv6 addresses. (Choose all apply)
F – 2001:3452:4952:2837::
is a valid address , but actually that is not, leading zeros are not considerable , so whats the catch…???
FYI: None of these questions were on the test. But there were some confusing IPv6 ones on there.
I cleared CCNA today. For Labs the scenarios/diagrams are same for VTP, EIGRP, NAT and ACL but with different questions and concept. So don’t memorize the Labs given at 9tut.com. Understand them and practice well. Lots of questions which are not given in any where. ACME, Testinside and etc only covered less than 50% of the question. If you have good concept you will clear the exam.
can you pls send me the latest dump at my address
manpueblo@lycos.com
Take from Here. http://www.examcollection.com/640-802.html
just took the exam barely passed. it had a bunch of ipv6 question on there one asking how is ipv6 written 128 bit hexadecimal. notice the dumps didn’t have much on ipv6
delet plz…
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Help! I don’t get why 2004:1:25A4:886F::1 is a valid address. Doesn’t this address have 9 octets, when 8 is what we are looking for (if :: is 0000.0000.0000.0000, then there are 9 octets).
just testing as I aswered Rustyalice and was told I way posting to quick
Rusty Alice, :: is not 0000:0000:0000:0000 it represents as as many consecutive fields of 0000 as you need (this is why it can only be used once) in your example it would represent 0000:0000:0000 to make it up to 8 fields
Mr. Guy:
Thanks so much. I finally understand!
How i wish to know this site be4 my exam
i want to take exams this weak can any body send me latest dumps link.
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@ IMP
its jst like this, running ipv4 and ipv6 2gether at the same router in networking called (dual stuck), try to find some documentary on that…..cheers
Can someone please help me with these 2 questions?
Which IPV6 routing protocol uses multicast group FF02::8 to send updates?
A. RIPng
B. OSPFv3
C. static
D. IS-IS for IPv6
Which IPV6 routing protocol uses multicast group FF02::9 to send updates?
A. RIPng
B. OSPFv3
C. static
D. IS-IS for IPv6
Which IPV6 routing protocol uses multicast group FF02::9 to send updates?
A. RIPng
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Can someone please help me with these 2 questions?
Which IPV6 routing protocol uses multicast group FF02::8 to send updates?
A. RIPng – RIP Next Generation(for IPv6 Compatible multicast)
B. OSPFv3 (for IPv6 Compatible multicast)
C. static
D. IS-IS for IPv6 (for IPv6 Compatible multicast)
Answer is D IS-IS For IPv6.,
RIPng is FF02::9
OSPFv3 is FF02::5 All SPF, FF02::6 DR.
EIGRP FF02::a
> One real quick if you check IPv4 multicast address that is use by routing protocols, you will notice that the last bit from IPv4 and IPv6 Multicast address are the same.
RIPv2 -224.0.0.9
EIGRP -224.0.0.10 (change 10 to Hex will give you “A”)
OSPF -224.0.0.5 uses by ospf to send Hello packets to all OSPF routers on a network segment.
-224.0.0.6 is for (DR)Designated Router
Hope this help.
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Study + Practice * 4/Day = CERTIFIED With Honor!
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PLZ DELET TOPIC
I pass CCNA at 1000. i saw v104.4
http://bbs.hh010.com/thread-77541-1-1.html
can any 1 tell that the new dumps are fully change or some questions are change in updated dumps
DELET PLIZZZ…
With Reference to Ouestion no 7:
A ::192:168:0:1 (VALID IP ADDRESS 0:0:0:0:0:0:192:168:0:1)
B 2002:c0a8:101::42 (VALID IP ADDRESS 2002:c0a8:0101:0:0:0:0:0042)
C 2003:dead:beef:4dad:23:46:bb:101
(VALID IP ADDRESS 2003:dead:beef:4dad:23:46:bb:101)
D – :: (Loop Back 0:0:0:0:0:0:0:0)
E – 2000:: (IT HAS TO BE 2000::/3)
F – 2001:3452:4952:2837::
(FOR IP TO START WITH 2001 IT SHOULD HAVE SECOND SECTION AS 0DB8….ie 2001:0DB8::/32)
So I Would assume A,B,C,D as correct answers… (a,b,c,d can be uppercase or lower case)
The A,B,C,D in IPv6 addressing can be upper or lower case.
Which three approaches can be used while migrating from an IPV4 addressing scheme to an IPV6
scheme.(choose three)
A. statically map IPV4 address to IPV6 addresses
B. configuration IPv4 tunnels between IPV6 islands
C. use DHCPv6 to map IPV4 addresses to IPV6 addresses
D. use proxying and translation to translate IPV6 packets into IPV4 packets
E. configure IPV6 directly
F. enable dual-stack routing
Is it ABF or BCF?
Today i made the exame and fail with 815. The exame is not the same for what i saw in any dumbs. Just a few questions of acme and the simulations are the same ACL2 VTP and EIGRP. If you did not study and just simple going to memorize the questions and answers take caution cause will be overcome. Think twice before do this exame, i found this exame very treacherous.
please my exam is on august 1st,can anyone send the latest dump 2 my email jolade22@yahoo.com. thanks
What is the valid reason for a switch to deny port access to new devices when port security is enabled
1.The denied MAC address have already been learned or configured on another secure interface in the same VLAN.
2.The denied MAC address are statically configured on the port.
3. The minimum MAC threshold has been reached.
4. The absolute aging time for denied MAC address have expired.
The answer is 1.
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/port_sec.html#wp1061587
A security violation occurs in either of these situations:
– …..
– If traffic with a secure MAC address that is configured or learned on one secure port attempts to access another secure port in the same VLAN, applies the configured violation mode.
Can anyone sends me latest dump? I have exam coming up next week.
Thank you
email fayyazk@hotmail.com
Latest dumps are here: http://www.examcollection.com/640-802.html
They update every few days so don’t forget to check the comments of the dump to verify whether it’s valid or not.
Today i made the exame and Pass with 920. The exame came from Ti 640-802 v218_New Question and Lab 14. Just a two questions were new and the simulations are the same ACL2 VTP and EIGRP. the first question was asking the ipv6 multicast address to all routers (FExx::1,FExx::2,FExx::3,FExx::4) while “xx” i do not remember what they was.
the second question was easy and it was two connected switches and no vtp connection between them, the first switch was vtp transparent and it’s port which connected this switch to the another switch was access port, the question asked you to solve the connection, i selected the two commands which make the swtich client (there was not a choice to make it server) and the other choice make the accessport to trunk mode
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could someone explain me why global unicast ipv6 addresses start with 001 which equals 2001::/3 ? i really can’t understand this even if i read this in almost every source
IPv6 Loopback address ..
In Question 4, Option C marked correct -Every IPV6 interface contains at least one loopback address. Can someone elaborate a bit ? I only know one loopback address, ::1; Thank you in advance.
I wrote my xm a week back. there was a question regarding to choose multicast address from bunch of IPv6 addresses. check it out frens. i got 920. thanx to 9tut.
Which are valid ipv6 addresses(choose all that apply)
A. ::
B. ::192:168:0:1
C. 2000::
D. 2001:3452:4952:2837::
E. 2002:c0a8:101::42
F. 2003:dead:beef:4dad:23:46:bb:101
can you explain me this question? i keep reading this on todd lammle on my official book of cisco and on internet but i can’t grasp the concept, i can’t find any good source to study, i’d prefer to have somewhere to go and learn how this thing works rather memorize it and just hope or guess the answer by chance or rumors.
i need a good explanation please expecially on the meaning of the / at the end of the addresses, i just can’t understand it well on ipv6, need help please my exam is close
in Q7 – F is not a correct answer please update it
Q7.
1. How :: can be valid IPv6 address? The address is valid if we can assign it to the interface, right? So can we assign :: to interface? No. So the answer A is not correct.
@lappy
Why do you think F is not correct? Can you explaine please?
@ccna learner
read the explanation please
“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.”