Juniper JN0-683 Exam - Topic 8 Question 10 Discussion

Actual exam question for Juniper's JN0-683 exam

Question #: 10
Topic #: 8

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?

AThe EVPN route for this host does not have a valid next hop.

BThe ARP lookup for this host has failed.

CThe host for this entry is locally connected to leaf1.

DThis entry is associated with a multicast EVPN route.

Show Suggested 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

6 months ago

The host is locally connected to leaf1, right?

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Devora

6 months ago

Wait, are we sure about that? Seems odd.

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Dahlia

6 months ago

I think it could also be a multicast route, though.

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Rikki

7 months ago

Totally agree, that makes sense!

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Cornell

7 months ago

The ARP lookup for this host has failed.

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Abraham

7 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

7 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

7 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

8 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

8 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

8 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

8 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

8 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

8 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

8 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

11 months ago

I agree, option A is the best fit for this scenario.

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Claudio

11 months ago

Yes, it seems like option A is the most logical choice.

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Jolanda

11 months ago

That makes sense, so the correct answer is option A then.

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Dwight

12 months 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

11 months ago

That's true, but I still believe option D is the best answer here.

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Denny

11 months ago

But what about option C? The host could be locally connected to leaf1.

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Catalina

12 months 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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