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Exam 350-401 topic 1 question 864 discussion

Actual exam question from Cisco's 350-401
Question #: 864
Topic #: 1
[All 350-401 Questions]



Refer to the exhibit. Clients are reporting an issue with the voice traffic from the branch site to the central site. What is the cause of this issue?

  • A. There is a routing loop on the network
  • B. There is a high delay on the WAN links
  • C. Traffic is load-balancing over both links, causing packets to arrive out of order
  • D. The voice traffic is using the link with less available bandwidth
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Suggested Answer: C 🗳️

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Horsefeathers
Highly Voted 1 year, 4 months ago
Selected Answer: C
With routing loop I would expect no traffic to reach the destination. Traceroute shows several repeated hops but the destination is eventually reached. It also shows a delay of several ms which can be detrimental to voice traffic not so much to the other traffic. Clients are complaining about voice traffic only, therefore I go with C.
upvoted 6 times
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boyseven777
Highly Voted 1 year, 3 months ago
Selected Answer: C
no routing loop is identified in the traceroute
upvoted 5 times
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NetworkJanitor
Most Recent 6 months, 2 weeks ago
Selected Answer: C
Looks like the traceroute is a clear product of the route table. The equal path cost which will provide for load sharing. This causes out-of-order packets VOIP (RTP/UDP)
upvoted 1 times
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chiacche
7 months, 2 weeks ago
Selected Answer: C
Traffic is load-balancing over both links, causing packets to arrive out of order
upvoted 1 times
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[Removed]
10 months, 4 weeks ago
Selected Answer: C
C looks ok
upvoted 1 times
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[Removed]
11 months, 2 weeks ago
C looks ok
upvoted 1 times
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slacker_at_work
1 year, 1 month ago
Selected Answer: C
https://community.cisco.com/t5/routing/ospf-load-balance-and-cef/td-p/1514495 <== although this is discussed from a narrative using CEF, the background is the same; VOIP get's messed up.
upvoted 3 times
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adamzet33
1 year, 4 months ago
Selected Answer: C
Packets are reaching the destination.
upvoted 3 times
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b7c04a1
1 year, 4 months ago
Selected Answer: C
The provider's answer seens correct. if you observe the routing table, R2 has two EIGRP routes to 172.16.1.0 and the packet came to Web Server. Another point, the question says that have problem only in traffic voice. I'm going with C too.
upvoted 3 times
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Exam12559
1 year, 5 months ago
Selected Answer: A
Looking at the Traceroute results, I see the same IP address repeated on each hop. This may be caused by repeated hops to the same IP address, causing packets to become stuck in a loop.
upvoted 4 times
TheGorn
1 year, 4 months ago
Typically though on a routing loop it continues on forever and it goes straight back and forth. There are also duplicate replies and it did eventually reach it. IDK. Flip a coin I guess.
upvoted 2 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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