Discuss Juniper JN0-664 Exam Topic 5 Question 53

Exhibit

Which two statements about the output shown in the exhibit are correct? (Choose two.)

AThe PE is attached to a single local site.

BThe connection has not flapped since it was initiated.

CThere has been a VLAN ID mismatch.

DThe PE router has the capability to pop flow labels

Suggested Answer: A, B

The output is from the show l2vpn connections command on a Juniper router. This command is used to verify the status of Layer 2 VPN (L2VPN) pseudowires between Provider Edge (PE) routers.

Breakdown of Key Information:

Instance: vpn-A

This is the L2VPN instance being monitored.

Connection Status (St)

The connection status is 'Up', meaning the pseudowire is operational.

Local Site: CE1-2 (2)

The PE router is attached to a single local site (CE1-2).

Uptime & Connection Flaps

The output shows the last time the connection was up:

Time last up: Apr 11 14:35:27 2020

The '# Up trans' value is 1, meaning this connection has been established once and has not flapped since it was initiated.

VLAN ID Mismatch Check

The legend includes 'VM -- VLAN ID mismatch', but this status is not present in the connection output.

This means there is NO VLAN ID mismatch.

Flow Labels

The Flow Label Transmit is No, and the Flow Label Receive is No.

This means the PE router does NOT have the capability to pop flow labels.

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24 comments · newest first

Aide 9 months ago

Really? I didn't expect the PE to pop flow labels!

Daniel 9 months ago

Wait, how do we know the connection hasn't flapped?

Elli 10 months ago

I think there's a VLAN ID mismatch though.

Kattie 10 months ago

The PE is attached to a single local site.

Candida 10 months ago

Totally agree, that seems right!

Lorean 11 months ago

I’m a bit confused about option A; I thought we covered scenarios where a PE could connect to multiple sites.

Maybelle 11 months ago

I recall something about PE routers and flow labels, so option D might be correct, but I need to double-check that.

Ashlee 11 months ago

I'm not entirely sure, but I feel like option C could be a common issue we discussed regarding VLANs.

Edwin 11 months ago

I think option B sounds familiar; I remember something about connection stability in our practice questions.

Jarod 12 months ago

This is right up my alley! I've dealt with similar issues before, so I'm confident I can identify the two correct statements about the output.

Stephaine 12 months ago

Ugh, network troubleshooting is not my strong suit. But I'll give it a try and see if I can at least eliminate a couple of the options.

Clorinda 12 months ago

Okay, I think I've got a handle on this. The key is to focus on the details provided in the output and match them up with the answer choices. I'll give it my best shot.

Karrie 1 year ago

Hmm, I'm not too familiar with the specific terminology used in this output. I'll need to think through each option carefully and see if I can eliminate any incorrect answers.

Aleshia 1 year ago

This looks like a pretty straightforward question about network connectivity. I'll carefully review the output and see if I can identify any clues about the connection status.

Leatha 1 year ago

Yes, the connection has not flapped since it was initiated.

Loreta 1 year ago

Haha, looks like someone's been trying to troubleshoot a VLAN issue. I'd go with A and C on this one.

Lili 1 year ago

I believe option B is also correct.

Pura 1 year ago

I agree, the PE is attached to a single local site.

Marilynn 1 year ago

I think B and D are the correct answers. The output shows the connection has been stable, and the PE router has the capability to pop flow labels.

Vallie 9 months ago

↳ replying to Marilynn

I think B and D are definitely correct.

Erick 9 months ago

↳ replying to Marilynn

I’m leaning towards A and C. What do you think?

Aleta 10 months ago

↳ replying to Marilynn

Yeah, the PE router's capability is crucial too.

Grover 10 months ago

↳ replying to Marilynn

I agree, B and D make sense. Stability is key.

Dean 1 year ago

I think option A is correct.

Juniper JN0-664 Exam - Topic 5 Question 53 Discussion