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Dell EMC D-RP-OE-A-24 Exam - Topic 1 Question 28 Discussion

When using a Distributed Consistency Group, additional traffic is generated between the primary RPA and secondary RPAs. Where is this increase in traffic observed?
B) Additional traffic is seen on the WAN network between the RPAs
A) Additional traffic is seen on the FC links between the RPAs
C) Additional traffic is seen on the management network between the RPAs
D) No additional traffic will be observed because host writes are multicast to all appliances in a cluster

Dell EMC D-RP-OE-A-24 Exam - Topic 1 Question 28 Discussion

Actual exam question for Dell EMC's D-RP-OE-A-24 exam
Question #: 28
Topic #: 1
[All D-RP-OE-A-24 Questions]

When using a Distributed Consistency Group, additional traffic is generated between the primary RPA and secondary RPAs. Where is this increase in traffic observed?

Show Suggested Answer Hide Answer
Suggested Answer: B

In a Distributed Consistency Group (DCG) configuration, the primary RPA and secondary RPAs work together to manage a larger data throughput than a single RPA can handle. This is achieved by dividing the workload among multiple RPAs. As a result, there is an increase in traffic observed on the WAN network between the RPAs. This is because the data that is being replicated needs to be transferred over the WAN to ensure that all RPAs have the necessary information to maintain consistency and data protection1.

The process involves:

The primary RPA receives write I/Os from the production environment.

The primary RPA then distributes the data to the secondary RPAs over the WAN.

The secondary RPAs process the data and replicate it to their respective Journal volumes.

This distribution of workload allows the DCG to handle higher throughput and IOPS rates than a single RPA could manage1.

It's important to note that while there is additional traffic on the WAN, this does not necessarily mean that the FC (Fibre Channel) links or management network are unaffected. However, the most significant increase in traffic is observed on the WAN network, which is the communication link between the RPAs in a DCG configuration1.


by Alecia at Jul 11, 2025, 11:25 PM

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Mari
8 months ago
Management network traffic? That seems odd.
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Elmer
9 months ago
I thought it was the FC links, but I guess not!
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Ricarda
9 months ago
I agree, it's all about the WAN for this one.
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Oren
9 months ago
Wait, no extra traffic at all? That sounds too good to be true!
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Pearlene
9 months ago
Definitely on the WAN network between the RPAs.
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Wava
9 months ago
I’m pretty sure there’s additional traffic on the WAN, but I also remember a question that mentioned multicast in clusters, which makes me second guess.
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Eva
10 months ago
I’m leaning towards the management network, but I feel like I need to double-check my notes on how traffic flows between RPAs.
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Gearldine
10 months ago
I think it might be the FC links, but I also recall something about WAN traffic being a common topic in practice questions.
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Celia
10 months ago
I remember studying that the traffic increase is usually related to the WAN links, but I'm not entirely sure if that's the right answer here.
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Earleen
10 months ago
I'm a little confused by this question. Is the additional traffic referring to the replication traffic between the RPAs, or something else? I want to make sure I understand the scenario fully before selecting an answer.
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Winfred
10 months ago
Okay, I've got this. The increased traffic would be observed on the WAN network between the RPAs. The primary RPA needs to replicate data to the secondary RPAs, and that traffic would go over the WAN links. I'm confident that's the right answer.
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Beula
11 months ago
Hmm, I'm a bit unsure about this one. I know Distributed Consistency Groups are used for replication, but I'm not entirely clear on where the additional traffic would be seen. I'll have to review my notes and think it through carefully.
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Cristal
11 months ago
This seems like a straightforward question about where the increased traffic is observed when using a Distributed Consistency Group. I'll need to think through the different network components involved to determine the correct answer.
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Ettie
1 year ago
Sure, because the Distributed Consistency Group replicates data between RPAs using Fibre Channel links.
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Angelyn
1 year ago
I see your point, Ettie. Can you explain why you think it's on the FC links?
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Willodean
1 year ago
I'm not sure, but I think the increase in traffic is on the management network between the RPAs.
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Mireya
1 year ago
Ah, the joys of distributed systems! I bet the correct answer is B - the WAN. Gotta love those extra hops and latency, am I right?
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Devorah
11 months ago
C) Additional traffic is seen on the management network between the RPAs
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Aliza
1 year ago
B) Additional traffic is seen on the WAN network between the RPAs
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Roxanne
1 year ago
A) Additional traffic is seen on the FC links between the RPAs
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Ettie
1 year ago
I disagree, I believe the additional traffic is seen on the FC links between the RPAs.
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Penney
1 year ago
Hmm, I'm torn between B and C. The management network could see increased traffic for coordination, but the WAN is the obvious choice. 50/50 on this one.
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Hollis
1 year ago
Wait, wait, wait... if the writes are multicast, does that mean the RPAs are all on the same network? In that case, D must be the right answer. This exam is testing my sanity!
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Terrilyn
1 year ago
Option B seems logical to me. The distributed consistency group would require data replication across the WAN, so the additional traffic should be observed there.
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Georgeanna
1 year ago
B) Additional traffic is seen on the WAN network between the RPAs
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Berry
1 year ago
A) Additional traffic is seen on the FC links between the RPAs
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Angelyn
1 year ago
I think the increase in traffic is observed on the WAN network between the RPAs.
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