Home > IP Routing 3

IP Routing 3

November 7th, 2017 Go to comments

Question 1

Explanation

Floating static routes are static routes that have an administrative distance greater than the administrative distance (AD) of another static route or dynamic routes. By default a static route has an AD of 1 then floating static route must have the AD greater than 1. Floating static route has a manually configured administrative distance greater than that of the primary route and therefore would not be in the routing table until the primary route fails.

Question 2

Explanation

A host route for IPv4 has the mask /32, and a host route for IPv6 has the mask /128. If an IPv4 address is configured with a mask of /32 on an interface of the router, which is typical for loopback interfaces, the host route appears in the routing table only as connected (for example in the routing table we will see this line: “C 10.10.10.1/32 is directly connected, Loopback0”.

Reference: https://www.cisco.com/c/en/us/support/docs/ip/ip-routing/116264-technote-ios-00.html

Question 3

Explanation

If the IP address exists in the routing table then we can say the local router knew the way to reach that destination. But this question wants to ask if the destination has communicated to the local router or not (“an IP address is known to a router”). Maybe it is a tricky question.

Question 4

Explanation

In all the way on the path, the source and destination IP addresses never change, only the source and destination MAC address are changed on each segment.

Question 5

Question 6

Question 7

Question 8

Comments (27) Comments
  1. Stark
    December 7th, 2017

    hi 9tut,

    where can i find questions for these?

  2. Trying to pass
    December 13th, 2017

    Stark

    Read CCNA FAQs & Tips

  3. kari
    December 15th, 2017
  4. Gregory
    January 21st, 2018

    Q5) When is a routing table entry identified as directly connected?
    A. When the local router is in use as the network default gateway
    B. When the network resides on a remote router that is physically connected to the local router
    C. When an interface on the router is configure with an ip address and enabled
    D. When the route is statically assigned to reach a specific network

    Why answer is not B) and in the .pdf is given C) as the right question ?

  5. cthelite
    February 23rd, 2018

    Can someone please explain Q6?

    Besides the misspellings… is it simply that the static route is separate from the interface address and thus the interface address route? Is the question simply trying to confuse by mentioning “static route” and “directly connected route” together, and the answer that makes most sense is simply the static route is the ONLY route, so it is obviously the PREFERRED route? Seems like a hokey question… Or am I missing something else here?
    Thanks!

    Q6) Router R1 has a static router that is configured to a destination network. A directly connected inference is configured with an IP address in the same destination network. Which statement about R1 is true?

    A. It refuses to advertise the dynamic route to other neighbors
    B. It sends a withdrawal signal to the neighboring router
    C. It disables the routing protocol
    D. It prefers the static route

    Answer is D?

  6. Ahmed
    February 28th, 2018

    Hi there,Can anyone send me the latest CCNA questions
    email it to me plz ahmedalaridh@ gmail.com

  7. cthelite
    February 28th, 2018

    Q6: I thought a “directly connected” route with an AD of 0 would be preferred over a “static” route with an AD of 1? But that’s not an avail answer. Why is the static preferred (answer d)?

  8. Roman
    March 6th, 2018

    About q6.
    When you are configuring static route to directly connected network, then route to DC network will be “threated” by static route and in routing table you’ll see only static with 1/0 AD

  9. cthelite
    March 9th, 2018

    Q6: I tried this in Packet Tracer, with a static route to the same directly connected network, the DC still shows in the routing table. I tried several different ways. I guess PT could be misleading, but I’m still not seeing it, and can’t find anything online to substantiate it. What is the technical reason that a DC route would show up as a static route? Especially when the AD of a DC route (0) is preferred over a static route (1) ?

  10. waspenterprise
    March 9th, 2018

    Q6:
    Maybe that’s the only answer that would rather made sense. The other 3 options have nothing to do with preferring of DC vs. Static routes. If there is an option of DC is preferred, then choose it.

  11. Mustafa
    March 15th, 2018

    I got confused between Q6 and Q7.. Can someone explain ?

  12. Roman
    March 29th, 2018

    @Mustafa,
    there is a mistake. Q7 should be B.

  13. cthelite
    April 5th, 2018

    Q3: When troubleshooting ethernet connectivity issues, how can you verify that an IP address is known to a router?
    A) check whether the IP address is in the routing table
    B) check whether an ACL is blocking the IP address
    C) check whether the IP address is in the CAM table
    D) check whether the IP address is in the ARP table

    I believe 9tut says (D). But the ARP table is rarely complete with all IP addresses. Without a recent inquiry of an IP, it will NOT be in the ARP cache. If the question mentioned PING and ARP, I would be swayed, but to simply look at the ARP table (cache) it would not tell anything about an IP address that is configured but “idle”. It would not show up!

    However, if it’s in the routing table, the router KNOWS how to get to it, and thus KNOWS about the IP. Look at the routing table for an address, if it knows about the address it will show you what interface it’s on, or how to get to it. Either way, it KNOWS about it. If it’s not in the routing table, it doesn’t KNOW anything about it.

    But with the wording of the question (IP address), I can see the logic of looking to ARP. But the wording of the answers “check whether it’s in…” doesn’t say to first PING, it just says to LOOK. HMMM… any comments? As usual, if we understand the logic, I think the actual exam question should be more clear.

  14. trueteller
    April 7th, 2018

    @cthelite
    After reading your explanation I agree with you. For sure the question is unclear but after following what you wrote, it would be A).

  15. H7
    April 18th, 2018

    about Q6 its very simple when we are looking at Q7 the same question …

    so waspenterprise is right :
    ( Maybe that’s the only answer that would rather made sense. The other 3 options have nothing to do with preferring of DC vs. Static routes. If there is an option of DC is preferred, then choose it.)

    cos Q7 the option of DC is present and its the right answer
    so don’t be confused Mustafa

  16. AB
    April 19th, 2018

    @9tut

    Question 4

    If Computer A is sending traffic to computer B, which option is the source IP address when a packet leaves R1 on interface F0/1?

    A. IP address of the R2 interface F0/1
    B. IP address of computer B
    C. IP address of R1 interface F0/1
    D. IP address of Computer A

    You mentioned answer as D. But it can be B as well. B & D. Pls confirm?

  17. AB
    April 19th, 2018

    @9tut

    Please ignore my above comment. Just realised that the question says “which option is the SOURCE IP”. You have answered it correctly as host A is the source computer.

  18. To AB
    April 22nd, 2018

    In all the way on the path, the source and destination IP addresses never change, only the source and destination MAC address are changed on each segment.

  19. foxterrier
    July 3rd, 2018

    Question 8

    In which situation would the use of a static route be appropriate?

    A. To configure a route to the first Layer 3 device on the network segment.
    B. To configure a route from an ISP router into a corporate network.
    C. To configure a route when the administrative distance of the current routing protocol is too low.
    D. To reach a network is more than 15 hops away.
    E. To provide access to the Internet for enterprise hosts

    Correct answer is B I believe. E would be the correct answer for a “default” route, not a static route. The corporate router is configured with the “default” route towards the ISP router, and the IPS Router is configured with a static route towards the corporate network.

    Any comments?

  20. foxterrier
    July 3rd, 2018

    Q8 – thinking about it, E is the goal of configuring the static route on the ISP, (to provide access to the Internet). so two correct answers ?

  21. Anonymous
    July 6th, 2018

    Q6 seems wrong. Q5 seems ridiculous.
    IP Routing 2 was full of confusing questions as well (weather a default route is installed or not)
    Can anyone confirm that these are the real questions?
    Considering the typos I do not believe these are the actual questions…

  22. rip
    July 11th, 2018

    hi guys , any one has rip question came in exam distance 50 ?

  23. Josephus
    July 27th, 2018

    Q6 & Q7:
    The same question, but different conclusions depending on the provided answers.
    Q6: the best answer is the static route based on the answer options.
    Q7: the best answer is the directly connected interface based on the answer options.
    A directly connected interface will have an AD of 0, whereas a static route has an AD of 1.
    Read the question, then read the answers.

  24. Q6 needs Spell Check!
    July 31st, 2018

    9TUT check over spellings for Q6

  25. thundercats
    August 18th, 2018

    Anyone have an opinion on question 3
    Q3: When troubleshooting ethernet connectivity issues, how can you verify that an IP address is known to a router?
    A) check whether the IP address is in the routing table
    B) check whether an ACL is blocking the IP address
    C) check whether the IP address is in the CAM table
    D) check whether the IP address is in the ARP table

    Im thinking A) Ip address in routing table.

  26. james
    September 3rd, 2018

    for question 3 is the answer C or D im getting different results in the quiz and explanation

  27. Ikrimah
    September 13th, 2018

    Hiii, can anyone send me the latest CCNA questions on ikrimah dot muiz95@gmail dot com

Add a Comment