HPE7-A07 Exam - Topic 1 Question 28 Discussion

Actual exam question for HP's HPE7-A07 exam

Question #: 28
Topic #: 1

The ACME company has an AOS-CX 6200 switch stack with an uplink oversubscription ratio of 9.6:1. They are considering adding two more nodes to the stack without adding any additional uplinks due to cabling constraints One of their architects has expressed concerns that their critical UDP traffic from both wired and bridged AP clients will encounter packet drops. They have already applied the following configuration:

Which strategy will complement this solution to achieve their objective?

Aedge mark lower priority TCP traffic with AF12

Bedge mark critical UDP Traffic with CSS

Cedge mark lower priority TCP traffic with AF11

Dedge mark critical UDP traffic with AF42

Show Suggested Answer

Suggested Answer: A, E

When troubleshooting a WLAN with 802.1X tunneled SSID issues, AP tunnel states indicate the status of the connection between the AP and the gateway/controller. The states 'SM_STATE_REKEYING' and 'SM_STATE_CONNECTING' could indicate transitional states where the connection has not been fully established, hence users might face issues connecting to the SSID. 'SM_STATE_REKEYING' implies that the AP is in the process of re-establishing encryption keys, while 'SM_STATE_CONNECTING' indicates that the AP is trying to establish a connection with the controller or gateway. These states could lead to temporary connectivity issues until the state transitions to 'SM_STATE_CONNECTED'.

by Shelba at Jan 12, 2025, 04:09 AM

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Hyun

3 months ago

Wait, AF42 for UDP? That seems risky!

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Herschel

3 months ago

Marking critical UDP with CSS sounds like the right move!

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Esteban

3 months ago

I’m not sure adding nodes without more uplinks is a good idea.

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Luis

4 months ago

Totally agree, they need to prioritize that UDP traffic.

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Carmelina

4 months ago

That oversubscription ratio is pretty high!

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Lanie

4 months ago

I feel like marking lower priority TCP traffic is less relevant here since the focus is on preventing drops for UDP.

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Luz

4 months ago

I remember studying about AF classes, but I can't recall if AF42 is the best choice for UDP traffic.

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Keena

4 months ago

This reminds me of a practice question where we had to prioritize voice traffic. I think marking with CSS might be the right approach here.

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Demetra

5 months ago

I'm not entirely sure, but I think marking critical UDP traffic could help prioritize it over other types.

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Germaine

5 months ago

Based on the information given, I'd recommend marking the critical UDP traffic with a higher priority DSCP value like AF42. That should help ensure it gets prioritized over the lower priority TCP traffic.

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Gretchen

5 months ago

The images provided give a lot of helpful context, but I'm still a bit confused about how the different QoS marking options would impact the traffic. I'll need to think through the tradeoffs of each choice carefully.

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Ailene

5 months ago

Okay, so we have an oversubscribed switch stack and concerns about UDP traffic drops. I'm thinking marking the lower priority TCP traffic with a lower DSCP value like AF11 could be a good approach to prioritize the critical UDP traffic.

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Lino

5 months ago

Hmm, I'm a bit unsure about the specifics of the AOS-CX 6200 switch stack and the uplink oversubscription ratio. I'll need to review those details carefully before deciding on the best strategy.

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Francoise

5 months ago

This question seems pretty straightforward. I think I have a good handle on the concepts involved and can work through this step-by-step.

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Micaela

10 months ago

Hmm, I wonder if they have any 'mission critical' UDP traffic that requires even higher priority, like voice or video? Maybe AF42 would be a better choice than just plain old CS.

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Estrella

10 months ago

Option B all the way! Gotta protect that critical UDP traffic. Can't have those packets dropping, that would be a disaster!

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Gayla

9 months ago

User 3: Definitely, it would cause major issues if the critical UDP traffic is not prioritized.

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Yuette

9 months ago

User 2: Agreed, can't risk those packets dropping.

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Adell

9 months ago

User 1: Option B all the way! Gotta protect that critical UDP traffic.

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Beata

10 months ago

Definitely going with option B. Marking the UDP traffic as high priority is the way to go, especially with that high uplink oversubscription ratio.

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Eric

10 months ago

I was thinking the same thing. Marking the UDP traffic with a higher priority class-selector like CS5 or CS6 should give it the needed priority over the lower priority TCP traffic.

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Francoise

9 months ago

I agree, marking the critical UDP traffic with a higher priority class-selector like CSS should help prioritize it over the lower priority TCP traffic.

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Celia

9 months ago

B) edge mark critical UDP Traffic with CSS

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Cherry

9 months ago

A) edge mark lower priority TCP traffic with AF12

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Son

10 months ago

Option B looks like the correct choice here. Marking the critical UDP traffic with a higher priority class-selector (CS) should help ensure it gets the necessary bandwidth.

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