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Exam 300-101 topic 2 question 568 discussion

Actual exam question from Cisco's 300-101
Question #: 568
Topic #: 2
[All 300-101 Questions]

After implementing EIGRP on your network, you issue the show ip eigrp traffic command on router C. The following output is shown:

RouterC#show ip eigrp traffic -
IP-EIGRP Traffic Statistics for process 1

Hellos sent/received: 2112/2076 -

Updates sent/received: 47/38 -

Queries sent/received: 5/3 -

Replies sent/received: 3/4 -

Acks sent/received: 29/33 -
Input queue high water mark 2, 0 drops

SIA-Queries sent/received: 0/0 -

SIA-Replies sent/received: 0/0 -
Moments later, you issue the same command a second time and the following output is shown:

RouterC#show ip eigrp traffic -
IP-EIGRP Traffic Statistics for process 1

Hellos sent/received: 2139/2104 -

Updates sent/received: 50/39 -

Queries sent/received: 5/4 -

Replies sent/received: 4/4 -

Acks sent/received: 31/37 -
Input queue high water mark 2, 0 drops

SIA-Queries sent/received: 0/0 -

SIA-Replies sent/received: 0/0 -
Moments later, you issue the same command a third time and the following output is shown:

RouterC#show ip eigrp traffic -
IP-EIGRP Traffic Statistics for process 1

Hellos sent/received: 2162/2126 -

Updates sent/received: 53/42 -

Queries sent/received: 5/5 -

Replies sent/received: 5/4 -

Acks sent/received: 35/41 -
Input queue high water mark 2, 0 drops

SIA-Queries sent/received: 0/0 -

SIA-Replies sent/received: 0/0 -
What information can you determine about this network?

  • A. The network is stable.
  • B. There is a flapping link or interface, and router C knows an alternate path to the network.
  • C. There is a flapping link or interface, and router C does not know an alternate path to the network.
  • D. EIGRP is not working correctly on router C.
Show Suggested Answer Hide Answer
Suggested Answer: E. There is not enough information to make a determination. 🗳️
Explanation -
We notice that the Queries received number is increased so router C has been asked for a route. The Replies sent number is also increased -> router C knows an alternate path to the network.

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Nemanja
5 years, 4 months ago
B. There is a flapping link or interface, and router C knows an alternate path to the network.
upvoted 2 times
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