Home > CCNA – Operation Questions

CCNA – Operation Questions

March 21st, 2015 Go to comments

Question 1

Explanation

To check the connectivity between a host and a destination (through some networks) we can use both “tracert” and “ping” commands. But the difference between these 2 commands is the “tracert” command can display a list of near-side router interfaces in the path between the source and the destination. The “traceroute” command has the same function of the “tracert” command but it is used on Cisco routers only, not on a PC -> B is correct.

Question 2

Explanation

The principle here is if the subnet mask makes two IP addresses 10.1.0.36 and 10.1.1.70 in the same subnet then the Network device A does not need to have IP addresses on its interfaces (and we don’t need a Layer 3 device here).

A quick way to find out the correct answers is notice that all 255.255.255.x subnet masks will separate these two IP addresses into two separate subnets so we need a Layer 3 device here and each interface must require an IP address on a unique IP subnet -> A, C are not correct while B, D are correct.

With 255.255.254.0 subnet mask, the increment here is 2 in the third octet -> the first subnet is from 10.1.0.0 to 10.1.1.255, in which two above IP addresses belong to -> each interface of Network device A does not require an IP address -> E is correct.

Question 3

Question 4

Question 5

Explanation

For more information about Inverse ARP, please read my Frame Relay tutorial.

Question 6

Question 7

Explanation

When powered on, the router first checks its hardware via Power-On Self Test (POST). Then it checks the configuration register to identify where to load the IOS image from. In the output above we learn that the Configuration register value is 0×2102 so the router will try to boot the system image from Flash memory first.

But we also see a line “System image file is “tftp://112.16.1.129/hampton/nitro/c7200-j-mz”. Please notice that this line tells us the image file that the device last started. In this case it is from a TFTP server. Therefore we can deduce that the router could not load the IOS image from the flash and the IOS image has been loaded from TFTP server.

Note:

If the startup-config file is missing or does not specify a location, it will check the following locations for the IOS image:

+ Flash (the default location)
+ TFTP server
+ ROM (used if no other source is found)

Question 8

Explanation

The last known good router will try to inform you that the destination cannot be reached (with a Destination Unreachable message type) so from that information you can learn how far your packets can travel to and where the problem is.

Question 9

Explanation

We convert a 48-bit MAC address (IEEE 802) to a 64-bit value by breaking the MAC address into its two 24-bit halves. The first part is the Organizationally Unique Identifier (OUI) and the next part is the NIC specific part. Then the 16-bit hex value 0xFFFE is inserted between them to create a 64-bit value.

EUI_64_48bit_MAC.jpg

Just for your information, to obtain an IPv6 interface identifier from EUI-64 address, we have to complement the U/L bit (the seventh bit of the first byte and is used to determine whether the address is universally or locally administered). This means if it is a 1, it is set to 0; and if it is a 0, it is set to 1. In the above example, the U/L bit is 0 (from 00 = 0000 0000). Therefore we have to set this bit to 1 to create an IPv6 interface address.

Question 10

Comments (50) Comments
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    September 29th, 2013

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    October 28th, 2013

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  3. bbgunthai
    November 23rd, 2013

    good

  4. biacosta
    November 28th, 2013

    I PASSED yesterday, thanks to 9tut…..got a 920……woooohhoooo, study up!!!!

  5. Gert
    December 18th, 2013

    @9tut: Question 2 in the quiz only expect 2 answers, but 3 are correct.

  6. Aman
    December 19th, 2013

    please can anyone help me question 10 why the answers are A, C and F. why is not C, E AND F

  7. Wathnix
    December 29th, 2013

    Aman,

    Answer A is correct because host A is attached to switch port 6, which is in VLAN 10. In the router config, VLAN 10 has been assigned an IP address of 192.168.1.78 with a subnet mask of 255.255.255.224, which means that this subnet starts at 192.168.1.64 and ends at 192.168.1.95, therefore a host can be assigned any address between 192.168.1.65 and 192.168.1.94, answer A is within this range and has not already been assigned to something else.

    Answer E is wrong because host B is attached to switchport 9, which is in VLAN 20. The router config shows that VLAN 20 has been assigned an IP address of 192.168.1.130 and therefore that address becomes the default-gateway for all hosts in VLAN 20. Host B should be configured with a default gateway of 192.168.1.130, not 192.168.1.129

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    December 31st, 2013

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    January 17th, 2014

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  10. Sabry
    January 29th, 2014

    Q1 was in today’s exam.

  11. Al7
    March 12th, 2014

    I cleared 200-120
    Question 2 & 6 in today’s exam
    Almost all questions from 9tut
    Thanks everyone :)

  12. !!!
    March 24th, 2014

    i’m thinking q10 answers are B,C,D

  13. ana
    April 2nd, 2014

    hi. anyone resolved question 10 please? thursday i have my ccna exam.

  14. Iceberg
    April 7th, 2014

    No B ; D are the network address

  15. Iceberg
    April 7th, 2014

    Vlan10:
    net 192.168.1.64/28
    broadcast 192.168.1.95/28
    Fa0/1.10 192.168.1.78 255.255.255.224

    Vlan 20 :
    net 192.168.1.128/26
    broadcast 192.168.1.191/26

    hostA: A: 192.168.1.79
    C: Default gateway 192.168.1.78

    hostB: F: IP address 192.168.1.190

  16. Anonymous
    May 20th, 2014

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  17. Anonymous
    May 22nd, 2014

    I don’t understand Q2. Is it E correct? With a network WIDE mask of 255.255.254.0, each interface does require an IP address. plz someone explain…

  18. Anonymous
    May 23rd, 2014

    They’re both in the same subnet with a network WIDE mask of 255.255.254.0. Therefore L2, no gateway required.

  19. Premium Member
    June 11th, 2014

    The Premium Member question (randomized number) that corresponds to the the New CCNA – Operation Questions #2 needs to be corrected. It appears to only accept 2 answers as correct and is marking the question wrong if you enter the 255.255.254.0 mask as a third solution. Please correct as there is no current way to get this question correct.

  20. Anonymous
    June 17th, 2014

    can someone please explain why answer “D” is correct on question 6

  21. An
    June 28th, 2014

    Fa0/0.2 is at vlan 2 with the IP:10.1.2.254/24
    that means that the PC B which is in the same vlan must be in the same network 10.1.2.0/24

    thats why we must change the ip from 10.1.1.12(that belong to the network 10.1.1.0/24) to 10.1.2.2

  22. Confused !
    July 8th, 2014

    Q1,10 were in the today exam

  23. Strange
    July 16th, 2014

    Question 5 was in the exam recently

  24. Helen
    August 12th, 2014

    I just passed the ccna operation exam and now i start preparing my nest exam ccna data center through ccnapass4sure.com. All above questions are in my exam mostly Q10…
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  25. Menu
    August 28th, 2014

    Question 4:
    What two things will a router do when running a distance vector routing protocol? (Choose two)

    The answer(s) of A & D are given, but, as there are 2 common Distance Vector protocols in CCNA, RIP and EIGRP – EIGRP DOES NOT send periodic updates – this is taken straight from my CCNA handbook, Book3 Chapter 7. Theres trick questions, but hell this is wrong!

  26. Menu
    August 28th, 2014

    ” Unlike RIP, EIGRP does not send periodic updates and route entries do not age out.”

  27. Ladjel
    August 31st, 2014

    Question10:
    VLAN10: 192.168.1.78 (010 0 1110)/27 ==> Net: 192.168.1.64/27 ; start: 192.168.1.65 (0100 0001) –> end:192.168.1.95(010 1 1111)
    VLAN20: 192.168.1.130(10 00 0010)/26 ==> Net: 192.168.1.128/26; start: 192.168.1.129(10 00 0001)–> end:192.168.1.191(10 11 1111)

  28. sandipan
    September 4th, 2014

    can anyone tell me why 9tut is so popular

  29. Andres
    September 16th, 2014

    I have a doubt about q4.
    EIGRP dosn’t send periodic updates, so, why answer A is ok?
    Thanks for your answers

  30. ithory
    September 17th, 2014

    EIGRP is not a distance vector protocol, is a hybrid protocol. Think about RIP in these questions.

  31. Idiocracy
    October 1st, 2014

    @ithory – EIGRP is an Advanced Distance Vector Protocol

  32. skul
    October 11th, 2014

    Thanks 9tut.

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    October 16th, 2014

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  34. Dany
    October 29th, 2014

    question 1 & 10 on exam today

  35. kam
    November 6th, 2014

    q1,q10 on exam today

  36. Anonymous
    November 13th, 2014

    Please what are Two enhancements that OSPFv3 supports over OSPFv2

  37. Praveen
    November 17th, 2014

    @Jordan – E is wrong..Host B belongs to vlan20 and its default gateway is 192.168.1.130.It can be seen in the configuration

  38. richard
    November 18th, 2014

    IN Q2, why the answer is

    B. With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.

    D. With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.

  39. richard
    November 18th, 2014

    subnet 255.255.255.128 cannot differentiate the two IP

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    November 25th, 2014

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    November 27th, 2014

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  42. Some dude
    December 6th, 2014

    @9tut quiz and answers here dont match. on some questions

  43. agy
    December 19th, 2014

    q2 today

  44. agy
    December 19th, 2014

    q4 today

  45. murad
    January 19th, 2015

    Q2 & q6 in my exam today

  46. Yannick
    January 30th, 2015

    Question 2 in the Quizz is fault.
    Answwrs are : Answer: B D E
    Answer E is forgotten in the quizz.

  47. Anonymous
    February 5th, 2015

    @9tut

    Question 2 in the Quizz is fault.
    Answwrs are : Answer: B D E
    Answer E is forgotten in the quiz.

    Still Faulty !

  48. Che
    February 16th, 2015

    Q4, Q9 On 15th Feb.

  49. CCNA
    February 16th, 2015

    Q2 was for 14th Feb Exam.

  50. Ronaldo
    February 17th, 2015

    Anyone from Mumbai,India ? Has anyone used CCNA20%India scheme on the exam vouchers ?
    What’s the examination fee in Mumbai ? I’ll be appearing in 2nd week of March,2015.
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