Discuss Juniper JN0-683 Exam Topic 4 Question 14

You are deploying an IP fabric with an oversubscription ratio of 3:1.

In this scenario, which two statements are correct? (Choose two.)

AThe oversubscription ratio decreases when you add leaf devices.

BThe oversubscription ratio remains the same when you remove leaf devices.

CThe oversubscription ratio increases when you remove leaf devices.

DThe oversubscription ratio remains the same when you add leaf devices.

Suggested Answer: D

Requirements for AI Workloads:

The scenario requires a network that supports at least 400 Gbps Ethernet and does not require Layer 2 VLANs. This setup is well-suited for a pure Layer 3 network, which can efficiently route traffic between devices without the overhead or complexity of maintaining Layer 2 domains.

Choosing the Right Network Architecture:

Option D: An IP fabric using EBGP (External BGP) is ideal for this scenario. In a typical IP fabric, EBGP is used to handle routing between spine and leaf switches, creating a scalable and efficient network. Since there is no need for Layer 2 VLANs, the pure IP fabric design with EBGP provides a straightforward and effective solution.

Options A, B, and C involve more complex architectures (like VXLAN or EVPN), which are unnecessary when there's no requirement for Layer 2 overlays or VLANs.

Conclusion:

Option D: Correct---An IP fabric with EBGP is the most suitable and straightforward architecture for a network that needs to support high-speed AI workloads without Layer 2 VLANs.

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33 comments · newest first

Salley 11 months ago

Totally agree with C! Less devices, more oversubscription.

Georgiana 11 months ago

B is misleading. Removing devices usually affects the ratio.

Rhea 11 months ago

Wait, how does adding devices not change the ratio? That seems off.

Kallie 11 months ago

I think C is right too. Removing leaves means higher oversubscription.

Nan 12 months ago

A is definitely correct! More leaf devices help balance the load.

Marcos 12 months ago

I feel like the oversubscription ratio is tied to the total bandwidth available, so removing leaf devices should definitely increase the ratio.

Ronnie 1 year ago

I'm a bit confused; does the oversubscription ratio really decrease when you add more leaf devices? That doesn't seem right to me.

Janella 1 year ago

I remember practicing a question similar to this, and I think adding leaf devices might actually keep the ratio the same.

Brock 1 year ago

I think the oversubscription ratio increases when you remove leaf devices, but I'm not entirely sure about the specifics.

Franchesca 1 year ago

I think I've got it. Removing leaf devices would decrease the total available bandwidth, so the oversubscription ratio would increase. Adding leaf devices wouldn't change the ratio.

Natalya 1 year ago

Okay, let's think this through. The oversubscription ratio is the ratio of total available bandwidth to the actual bandwidth used. Adding more leaf devices should increase the total available bandwidth, so the ratio should remain the same.

Reyes 1 year ago

Hmm, I'm a bit confused about the oversubscription ratio. I'll need to review my notes on that before answering.

Lisha 1 year ago

This question seems straightforward. I'll focus on understanding the concept of oversubscription ratio and how it changes when adding or removing leaf devices.

Elenor 1 year ago

I feel like this question is trying to trick me, but I'm not falling for it! A and D are the answers. Adding more leaf devices is like growing a network garden - the oversubscription ratio gets nice and plump. And removing them is like pruning, keeping everything in balance. *winks*

Ming 1 year ago

↳ replying to Elenor

Yeah, you're right! Adding leaf devices balances out the oversubscription ratio.

Mi 1 year ago

↳ replying to Elenor

D) The oversubscription ratio remains the same when you add leaf devices.

Mindy 1 year ago

↳ replying to Elenor

A) The oversubscription ratio decreases when you add leaf devices.

Reyes 2 years ago

Ah, the age-old question of oversubscription ratios. Let's see here... A and D, my friends. Increasing the leaf devices spreads the load, while removing them maintains the same ratio. It's like a game of Tetris, but with ethernet cables instead of blocks!

Horace 1 year ago

↳ replying to Reyes

Sharmaine 1 year ago

↳ replying to Reyes

D) The oversubscription ratio remains the same when you add leaf devices.

Salome 1 year ago

↳ replying to Reyes

A) The oversubscription ratio decreases when you add leaf devices.

Nenita 2 years ago

I'm not sure, but I think removing leaf devices would increase the oversubscription ratio.

Azalee 2 years ago

Okay, time to put on my network ninja hat. I'm going with A and D. Adding more leaf devices increases the total capacity, so the oversubscription ratio goes down. And removing them just scales everything proportionally, keeping the ratio the same. Easy peasy, right? *laughs*

Justine 1 year ago

↳ replying to Azalee

User2: Yeah, removing leaf devices doesn't change the ratio, it just keeps everything in balance.

Chuck 1 year ago

↳ replying to Azalee

User1: I agree with you, adding leaf devices definitely decreases the oversubscription ratio.

Kattie 2 years ago

I agree with Alease, adding leaf devices should decrease the oversubscription ratio.

Blythe 2 years ago

Whoa, this question is like a riddle wrapped in an enigma! Let me think... Ah, got it! A and D are the correct answers. The oversubscription ratio is all about managing that delicate balance between capacity and demand, y'know?

Eric 1 year ago

↳ replying to Blythe

Exactly, it's all about finding that balance in the IP fabric deployment.

Javier 1 year ago

↳ replying to Blythe

So, the oversubscription ratio decreases when you add leaf devices but remains the same.

Ngoc 1 year ago

↳ replying to Blythe

I agree, D is also correct because adding leaf devices doesn't change the oversubscription ratio.

Leonardo 1 year ago

↳ replying to Blythe

I think A is correct because adding leaf devices increases the capacity.

Cletus 2 years ago

Hmm, this one's tricky. I think the answer is A and D. Adding more leaf devices would spread the traffic load, so the oversubscription ratio should decrease. And if you remove leaf devices, the ratio would stay the same since the total capacity changes proportionately.

Alease 2 years ago

I think the correct statements are A and D.

Juniper JN0-683 Exam - Topic 4 Question 14 Discussion