IBM C1000-172 Exam - Topic 4 Question 23 Discussion

Actual exam question for IBM's C1000-172 exam

Question #: 23
Topic #: 4

[All C1000-172 Questions]

Which statement best describes an IBM Cloud multizone region (MZR)?

AA region that offers increased security compared to single zone regions

BA region where a failure in one zone affects all other zones

CA region with multiple geographical locations

DA region that consists of at least three or more separate and interconnected zones

Show Suggested Answer

Suggested Answer: D

An IBM Cloud multizone region (MZR) is designed to enhance the availability, reliability, and resilience of cloud services. It consists of three or more separate, geographically dispersed zones within a single region, which are interconnected through high-speed and low-latency networks.

Multiple Zones for High Availability: In a multizone region, each zone represents a separate data center or availability zone with its own independent power, cooling, and networking. The multiple zones are interconnected, allowing for failover capabilities. If one zone experiences a failure, services can continue to operate in another zone within the same MZR, minimizing downtime and ensuring business continuity.

Resilience and Disaster Recovery: MZRs are specifically designed to offer a higher level of fault tolerance compared to single-zone regions. They provide geographic redundancy within the same region, meaning that workloads can be replicated across different zones, thereby protecting against zone-level failures.

Interconnected Yet Independent: While the zones within an MZR are interconnected for data replication and low-latency communication, they are also physically and logically separated to prevent a single point of failure from affecting multiple zones.

Comparison with Other Options:

Option A is partially correct but does not fully describe an MZR.

Option B is incorrect because a failure in one zone does not affect all other zones.

Option C is incorrect as it does not specify that an MZR consists of multiple zones within the same geographical region.

IBM Cloud Multizone Regions (MZR) Overview

IBM Cloud Architect Exam Study Guide

IBM Cloud Global Data Center Locations

by Marvel at Jul 04, 2025, 08:41 AM

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Amber

2 months ago

I always thought MZR meant multiple locations, but I guess I was wrong.

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Christiane

3 months ago

No way, a failure in one zone affects all? That's not true!

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Delisa

3 months ago

Wait, I thought MZRs were just for security?

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Paul

3 months ago

Totally agree, option D is the way to go!

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Cathrine

3 months ago

MZR has at least three zones, right?

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Janey

3 months ago

I recall that MZRs are supposed to enhance availability, so I think option D makes the most sense, but I could be wrong.

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Hildegarde

4 months ago

I’m a bit confused; I thought multizone meant better security, but now I’m not sure if that’s the main focus.

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Rickie

4 months ago

I feel like I saw a practice question that mentioned MZRs are designed to prevent a single point of failure, which might relate to option D.

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Trina

4 months ago

I think I remember something about multizone regions having multiple zones, but I'm not sure if it's three or more.

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Ronna

4 months ago

I'm pretty confident that an MZR consists of at least three interconnected zones, so I'm leaning towards option D. The question is specifically asking about an MZR, so that seems like the most relevant and accurate description.

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Stephane

5 months ago

Okay, let's see. I know that an MZR has multiple geographical locations, so I think that rules out option B. And increased security compared to a single zone region sounds plausible, so I'll consider option A.

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Olen

5 months ago

Hmm, this is a tricky one. I'm not entirely sure about the differences between a single zone region and a multizone region. I'll need to think this through carefully.

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Antonette

5 months ago

I think the key here is understanding what a multizone region (MZR) is. The question is asking us to describe an MZR, so I'll need to focus on the characteristics of an MZR.

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Antonio

7 months ago

Option D is the clear winner here. Gotta love those redundant, geographically dispersed zones. Keeps the cloud nice and fluffy!

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Misty

5 months ago

It's great to know that IBM Cloud multizone regions offer that level of redundancy and resilience.

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Remedios

5 months ago

Having multiple interconnected zones in a region provides a lot of benefits in terms of reliability and availability.

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Virgina

7 months ago

I agree, option D is definitely the best choice. Redundancy is key in cloud infrastructure.

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Tamekia

7 months ago

This question is a real zonebreaker, but I'd have to go with D. Interconnected zones are the way to go!

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Precious

7 months ago

Hmm, I was debating between C and D, but D really captures the essence of an IBM Cloud MZR. Nicely worded!

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Socorro

5 months ago

Definitely, D is the best choice. It's about having at least three separate zones working together.

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Marguerita

7 months ago

Yeah, C might sound like it, but D is the one that fits the description of an IBM Cloud MZR.

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Maryrose

7 months ago

I agree, D is the correct answer. It's all about having multiple interconnected zones.

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Diego

7 months ago

I was thinking B, but after reading the options again, I think D is the best answer. Gotta love those interconnected zones!

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Mona

5 months ago

I agree with you, D seems like the correct answer. Having multiple interconnected zones definitely adds to the reliability.

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Pearlene

7 months ago

I think B is the best answer. A failure in one zone affecting all other zones makes sense to me.

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Elsa

8 months ago

I agree with Evangelina, D makes the most sense because it mentions separate and interconnected zones.

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Kayleigh

8 months ago

I'm leaning towards C, multiple geographical locations make sense.

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Boris

8 months ago

Option D seems the most accurate description. I like that it mentions the requirement of at least three interconnected zones.

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Charolette

5 months ago

Yes, having at least three interconnected zones in a multizone region is important for redundancy and reliability.

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Yvette

7 months ago

I agree, option D does seem to be the most accurate description.

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Bronwyn

8 months ago

I disagree, I believe the answer is A.

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Evangelina

8 months ago

I think the answer is D.

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