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Juniper JN0-683 Exam - Topic 8 Question 10 Discussion

Exhibit.Referring to the exhibit, why is the active source field blank for the entry that uses the 00:0c:29:e8:b7:39 MAC address?
A) The EVPN route for this host does not have a valid next hop. and D) This entry is associated with a multicast EVPN route.
B) The ARP lookup for this host has failed.
C) The host for this entry is locally connected to leaf1.

Juniper JN0-683 Exam - Topic 8 Question 10 Discussion

Actual exam question for Juniper's JN0-683 exam
Question #: 10
Topic #: 8
[All JN0-683 Questions]

Exhibit.

Referring to the exhibit, why is the active source field blank for the entry that uses the 00:0c:29:e8:b7:39 MAC address?

Show Suggested Answer Hide Answer
Suggested Answer: A, D

Understanding sFlow Monitoring:

sFlow is a packet sampling technology used to monitor traffic in a network. It sends sampled packet data and interface counters to an sFlow collector, which analyzes the traffic patterns.

Information Included in sFlow Datagram:

Option A: The datagram sent to the sFlow collector includes information about the interface through which the packets entered the agent (the switch or router). This is crucial for understanding where in the network the traffic was captured.

Option D: sFlow datagrams also include the source and destination VLAN for the sampled packets. This allows for detailed analysis of the traffic flow within different VLANs.

Conclusion:

Option A: Correct---The ingress interface is included in the sFlow datagram.

Option D: Correct---The source and destination VLANs are also included, providing context for the sampled traffic.


by Chaya at Sep 13, 2024, 10:36 AM

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Erick
9 months ago
The host is locally connected to leaf1, right?
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Devora
9 months ago
Wait, are we sure about that? Seems odd.
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Dahlia
9 months ago
I think it could also be a multicast route, though.
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Rikki
10 months ago
Totally agree, that makes sense!
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Cornell
10 months ago
The ARP lookup for this host has failed.
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Abraham
10 months ago
I vaguely remember that if a host is locally connected, it might not show an active source. Is that what this is about?
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Joye
10 months ago
I feel like the answer might be related to multicast routes, but I can't recall the specifics.
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Ashley
10 months ago
I think I came across a similar question where the ARP lookup was mentioned. Could it be that here too?
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Kayleigh
11 months ago
I remember something about EVPN routes and next hops, but I'm not sure if that's the right reason for the blank field.
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Darci
11 months ago
This is a good opportunity to apply my knowledge of EVPN. I'll carefully read through the options and think about the implications of each one in relation to the exhibit.
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Kathrine
11 months ago
I'm a bit confused by this question. The exhibit doesn't provide a lot of context, so I'll need to make sure I understand the EVPN concepts before trying to answer.
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Tracey
11 months ago
Okay, let's see here. The options mention ARP lookup failure, local host connection, and multicast EVPN route. I'll need to analyze the exhibit closely to determine which of these is the most likely explanation.
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Remedios
11 months ago
Hmm, the active source field being blank is definitely the key to this question. I'll need to consider the different EVPN route types and why one might not have a valid next hop.
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Izetta
11 months ago
This looks like a tricky EVPN question. I'll need to carefully review the exhibit and think through the possible reasons for the blank active source field.
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Louvenia
11 months ago
Hmm, I'm not sure about this one. I'll have to think it through carefully.
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Ruthann
1 year ago
Hmm, the active source field is blank because the host is connected to the leaf switch via a wormhole. That's the only logical explanation, right?
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Bok
1 year ago
The active source field is blank because the EVPN route for this host does not have a valid next hop. Option A seems to be the correct answer.
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Oliva
1 year ago
I agree, option A is the best fit for this scenario.
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Claudio
1 year ago
Yes, it seems like option A is the most logical choice.
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Jolanda
1 year ago
That makes sense, so the correct answer is option A then.
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Dwight
1 year ago
I think the active source field is blank because the EVPN route for this host does not have a valid next hop.
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Casandra
1 year ago
This is probably a multicast EVPN route, which would explain the blank active source field. Option D sounds like the right choice.
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Dong
1 year ago
That's true, but I still believe option D is the best answer here.
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Denny
1 year ago
But what about option C? The host could be locally connected to leaf1.
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Catalina
1 year ago
I think you're right, option D does seem like the most logical choice.
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Nickole
1 year ago
It seems like the host for this entry is locally connected to leaf1, so the active source field is blank. Option C is likely the correct answer.
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Alberta
1 year ago
I agree. It's because the host is locally connected to leaf1.
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Gladys
1 year ago
That makes sense. The active source field would be blank in that case.
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Tegan
1 year ago
Option C is correct. The host is connected to leaf1.
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Veronique
1 year ago
Actually, I think the active source field is blank because the host for this entry is locally connected to leaf1.
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Mel
1 year ago
I believe the active source field is blank because the ARP lookup for this host has failed.
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Willard
1 year ago
The active source field is blank because the ARP lookup for this host has failed. This is the correct answer according to the options provided.
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Tamala
1 year ago
That makes sense, the active source field is blank because of that.
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Stanford
1 year ago
No, I believe the ARP lookup for this host has failed.
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Tawna
1 year ago
I think it could be a multicast EVPN route.
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Shanice
1 year ago
Maybe the host is not connected to leaf1.
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Veronique
1 year ago
I think the active source field is blank because the EVPN route for this host does not have a valid next hop.
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