Google Cloud Storage for Disaster Recovery
Planning and implementing storage and data solutions.
Your company uses Cloud Storage to store application backup files for disaster recovery purposes. You want to follow Google's recommended practices. Which storage option should you use?
Answer
Correct answer: A — Multi-Regional Storage should be used as it provides the necessary geographic redundancy and high availability required for effective disaster recovery.
Community Insight
The exam tests the distinction between cost optimization (Coldline) and reliability/availability (Multi-Regional), with the common trap being to select Coldline due to the word 'backup' without considering the 'disaster recovery' context.
This question tests the selection of Google Cloud Storage classes based on disaster recovery requirements, establishing that Multi-Regional Storage is the correct choice for high availability and durability.
Candidates often choose Coldline Storage because it is designed for long-term archival and backups, overlooking that disaster recovery requires higher availability and durability guarantees than Coldline provides.
Community Discussion (119 comments)
omunoz
👍 1
Selected: A
It seems to be A as per Google's recommended practices. https://docs.cloud.google.com/backup-disaster-recovery/docs/concepts/best-practices-cyber-resilience
Vroy123
👍 1
Selected: D
D is the correct answer: • Disaster Recovery = Rare Access. You only need to touch these backup files if something goes horribly wrong, which is hopefully less than once a year. • Coldline = Cheap Storage for Rare Access. Google designed Coldline specifically for data you access once a quarter or less, making it the most cost-effective choice for emergency backups. • Why not the others? Multi-Regional and Regional (A & B) are for active, everyday data and are way too expensive for backups. Nearline (C) is for data accessed once a month, which is still too frequent for a disaster recovery plan. Basically: Disaster Recovery backups = Coldline
BhawanaV
👍 1
Selected: D
Option D is correct.
NetExpert
👍 1
Selected: D
Coldline Storage: Fits well with disaster recovery use cases where data is infrequently accessed but needs to be available relatively quickly if a disaster occurs.
sandipsmenon
👍 2
Selected: D
The Keyword here is backup here. Coldline is designed for disaster recovery and long-term archival.
AgentR
👍 3
Selected: D
Best Answer is Coldline. Please dont use to much of brain to answer this question. The question is very vague and assuming something is where most people got it wrong. Question is clear. Disaster recovery and best practices. Option A is eliminated since we need that kind of storage for frequent retrieval. Option D is best since data is retrived only when we have a DR scenario and it happen once in a blue moon. DO NOT PUT LOT OF THINKING. JUST READ THE QUESTION AND DONT ASSUME ANYTHING
ucanmanda
👍 1
Selected: A
It is Coldline Storage because question says that which Cloud Storage that you need. Not a Method that you have used.
SayujM
👍 1
Selected: A
Went of searching online and read that a full disaster recovery plan also considers: 1) Recovery Point Objective (RPO): This is the maximum amount of data (measured in time) that you are willing to lose in a disaster. For backups, your RPO dictates how frequently you need to create them. 2) Recovery Time Objective (RTO): This is the maximum amount of time that can pass after a disaster before your application or system must be available again. Your RTO influences how quickly you can restore your backups. hence we would want data to be highly available & also reasonably quick to retrieve when a disaster strikes. Considering that option of Multi-regional Standard Storage makes the most sense.
Kessel
👍 1
Selected: A
It doesn't say that we want the most economical solution. Given that multi-regional provides instant failover and availability, I would go with A. Certainly not D, because there is too much of a delay in getting back your data for retrieval.
AbsurdDragon
👍 1
Selected: A
DR needs to be tested when you do pentesting DR needs to be sanity checked at some frequency depending on the importance of your app. DR needs to be kept up to date with your app changes - regular snapshots and writes. Coldline is too expensive for regular writes and as needed reads. DR needs to be there when something catastrophic happens (or not too bad). If there's a hurricane in North Carolina that knocks google's DC out - and both your app and DR were hosted there - that sucks, ideally you should have had your DR in a couple of different regions. Thus A - multi region is the answer
Joseph_Covaro
👍 2
Selected: D
I believe Coldline Storage is the answer in absence of Archive Storage. Note how the bucket is responsible for disaster recovery, meaning it should already be in a different region from our operational data, therefore making Multi-Regional-Storage unnecessary.
vaclavbenes1
👍 1
Selected: A
ere's why: Multi-Regional Storage: This option provides the highest level of redundancy and availability. Data is replicated across multiple geographic regions, ensuring that your backups are accessible even in the event of a regional outage. This is crucial for disaster recovery scenarios where you need to restore your application quickly. Why the other options are less suitable: Regional Storage: While more cost-effective than Multi-Regional, Regional Storage stores data within a single geographic region. If that region experiences an outage, your backups will be unavailable. This is not ideal for disaster recovery. Nearline Storage and Coldline Storage: These options are designed for data that is accessed infrequently. They offer lower storage costs but have retrieval fees and higher latency. While suitable for archiving or long-term backups where immediate access isn't critical, they are not the best choice for disaster recovery where rapid restoration is essential. Restoring from Nearline or Coldline would add significant time to your recovery process.
iamshubhampatil
👍 2
Selected: A
The question focuses on "Disaster Recovery" and not cost. For disaster recovery backups in Google Cloud Storage, Multi-Regional Storage (A) is the recommended option. This storage class ensures data is replicated across multiple geographic regions, providing maximum availability and durability. This redundancy protects against regional outages and aligns with Google’s best practices for disaster recovery, which prioritize cross-region replication to minimize downtime and ensure rapid recovery
shashank_m
👍 1
Selected: A
Multi-Regional Storage provides high durability and availability by storing your data across multiple locations in different regions, which is ideal for backup and disaster recovery. It is designed for frequently accessed data but can also be suitable for critical backups that may need to be quickly restored across a wide geographic area. Regional Storage stores data in a single region, which may not be as reliable for disaster recovery in the event of a regional failure. Nearline Storage and Coldline Storage are designed for data that is infrequently accessed (e.g., archival purposes), so they are not as suitable for application backups that might need to be accessed relatively quickly in a disaster recovery scenario. Therefore, Multi-Regional Storage is the best choice for disaster recovery backups.
SteveXs
👍 2
Selected: D
While multi-regional storage ensures data durability and availability, it is not cost-efficient for backup files that are rarely accessed, such as those for disaster recovery. D is the correct answer as Coldline Storage is designed for long-term storage and infrequently accessed data (e.g., disaster recovery backups).
modaknarayan
👍 1
Selected: A
Explanation: Google's recommended best practice for disaster recovery purposes is to store backup data in Multi-Regional Storage. This storage option ensures high availability and durability by replicating your data across multiple geographic locations. This is crucial for disaster recovery scenarios, as it provides resilience against regional outages.
dzei
👍 2
Selected: D
At first I thought it was A, but after reading the discussion and explanation I thought it was D.
denno22
👍 2
Selected: D
Answer is D.
kaby1987
👍 7
Selected: D
Ans is D. Coldline Storage: If the backups are truly for disaster scenarios and you expect very infrequent access (less than once a year). Here's how other option fits into this context: A. Multi-Regional Storage: This is best for data that is frequently accessed and needs to be highly available. It's ideal for serving content to users globally and for data that is accessed more often. B. Regional Storage: This offers high availability and is suited for storing data that is accessed frequently, but within a specific region. It's good for data used in compute operations in the same region. C. Nearline Storage: This is a low-cost option for storing infrequently accessed data. It's ideal for data that is accessed less than once a month. There are costs associated with accessing the data, so it's better for data that you don't expect to access frequently.
NetExpert
👍 1
D is a right answer
runlo
👍 2
The retrieval time for archive storage is the same as the others storage classes. https://docs.cloud.google.com/storage/docs/storage-classes "The following features apply to all storage classes: Low latency with no offline data retrieval."
JackSkeletonCoder
👍 2
honestly, they should've added archive storage because it is better suited for disaster recovery backup. It is also stated in the doc how archive is better choice than 'coldline storage'. Also in terms of latency, archive will take care of that in events of disaster; as stated in the doc, "In the event of a disaster recovery event, recovery time is key. Cloud Storage provides low latency access to data stored as Archive storage." https://cloud.google.com/storage/docs/storage-classes#archive
subha.elumalai
👍 2
Correct Answer: D Reference: https://cloud.google.com/storage/docs/storage-classes#nearline
Nikki2424
👍 3
Selected: D
Multi-regional storage = standard storage used only for objects stored in multi-regiones or dual-regions. Regional storage = standard storage used only for objects stored in regions Refer to https://cloud.google.com/storage/docs/storage-classes#legacy Each of the standard, nearline, coldline, and archive storage classes can have any of the location types, i.e., region, dual region, multi-region. Cold-line storage is the ideal option here according to Google's best practices.
blackBeard33
👍 2
Selected: D
Google recommends Archive Storage for disaster recovery, since Archive is not available as an answer, coldline is the nearest possible.
sinh
👍 4
Selected: A
disaster recovery purposes = Multi-Regional Storage https://cloud.google.com/storage/docs/locations#location_recommendations
sinh
👍 3
Selected: A
https://cloud.google.com/docs/geography-and-regions
karthik0328
👍 1
This talks about disaster recovery and you need to be able to retrieve data according to the RTO, except for Nearline all others only guarantee 99.95 availability and you want to avoid retrieval costs. All the other storage classes have a cost associated with it. With that in mind nearline is the best storage class from a DR perspective.
plazamix
👍 2
Best answer is D. Coldline Storage. The choices specifically said Multi-Regional and Regional "Storage". Multi-Regional Storage is equivalent to Standard Storage and is different to Multi-regional location. Check additional classes: https://cloud.google.com/storage/docs/storage-classes#legacy
lonewolfngp
👍 4
Selected: A
for disaster recovery multi region is recommended.
tanc28
👍 1
Answer should be ARCHIVE STORAGE Archive storage Archive storage is the lowest-cost, highly durable storage service for data archiving, online backup, and disaster recovery. Unlike the "coldest" storage services offered by other Cloud providers, your data is available within milliseconds, not hours or days. https://cloud.google.com/storage/docs/storage-classes#:~:text=Archive%20storage%20is%20the%20lowest,milliseconds%2C%20not%20hours%20or%20days.
BAofBK
👍 1
The correct answer is D
Bessa24
👍 1
Selected: B
B is correct following Google best practices
Evan7557
👍 1
D is correct
ovokpus
👍 7
Selected: A
DISASTER RECOVERY!!! Multi-Regional Storage indeed offers the highest level of durability and availability among the storage classes in Google Cloud Storage. It is specifically designed to store data that is geographically distributed and needs a high level of reliability. By replicating the data in at least two separate regions, it ensures that data remains accessible even if one entire region goes offline. Given this context, for disaster recovery purposes where the highest level of availability and durability is required, Multi-Regional Storage is the recommended storage class. So, the correct choice is: A. Multi-Regional Storage.
YourCloudGuru
👍 1
Selected: D
Archive storage class is actually the recommended choice as mentioned in the Google Cloud Docs. but it is not an option here so the correct answer should be D. Coldline Storage as the cost is cheaper than Nearline. Source: Google Cloud Doc: https://cloud.google.com/storage/docs/storage-classes#archive
Captain1212
👍 1
Cold line storage
NoCrapEva
👍 1
Selected: C
Google document about setting up and configuring Google Backup and DR: "Step 5 - Choose a default storage class and click Continue. Use nearline when retention is 30 days or less or coldline when retention is 90 days or more. If retention is between 30 and 90 days then consider using coldline." https://cloud.google.com/backup-disaster-recovery/docs/deployment/deployment-prep#expandable-2 We are not told the retention policy (and cannot assume anything) - C gets my vote...
CalShark
👍 1
D - Google docs state "Coldline storage is a very-low-cost, highly durable storage service for storing infrequently accessed data" - I think Archive Storage would be a better option but Coldline is the next closest
TSEMSOUS
👍 1
for disaster recovery i will choose Coldline storage
MrZed
👍 2
To follow Google's recommended practices for storing application backup files for disaster recovery purposes, the appropriate storage option would be: B. Regional Storage. Explanation: Google recommends using Regional Storage for backup files because it provides both durability and lower latency for regional disaster recovery scenarios. Regional Storage ensures that your data is stored redundantly across multiple zones within a specific region, providing high availability and resilience against zone-level failures. It offers a balance between durability, availability, and cost-effectiveness, making it suitable for backup and disaster recovery purposes. Regional Storage is typically more cost-effective than Multi-Regional Storage while still offering a high level of reliability. Therefore, option B is the recommended choice when following Google's best practices for storing application backup files for disaster recovery purposes.
mjbillings
👍 1
Cold line for disaster recovery
AIMK
👍 4
Selected: D
there's some disagreement in the comments about this one. Going through some links about cloud storage I found this: Cloud Storage Coldline: a low-latency storage class for long-term archiving Coldline is a new Cloud Storage class designed for long-term archival and disaster recovery. Coldline is perfect for the archival needs of big data or multimedia content, allowing businesses to archive years of data. Coldline provides fast and instant (millisecond) access to data and changes the way that companies think about storing and accessing their cold data. Based on this, D is correct. Refer to this link for more information: https://cloud.google.com/blog/products/gcp/introducing-coldline-and-a-unified-platform-for-data-storage it explains the functions of each one of the options (Multi-regional, Regional, Nearline and Coldline)
Partha117
👍 1
Selected: D
Correct choice after Archival
smanoj85
👍 1
Coldline Storage is the best answer for disaster recovery. When you create the GCS bucket in the GCP console, you can see the quote under the Coldline storage that, "Best for disaster recovery and data accessed less than once a quarter."
Bedmed
👍 2
Nearline Storage is recommended for backup
Buruguduystunstugudunstuy
👍 1
Selected: D
Answer D, Coldline Storage, is a good option for storing backup files for disaster recovery purposes for several reasons: Durability, Cost-effective, and Disaster recovery readiness.
Vladimir_Sakhonchik
👍 2
Google recommends using Cloud Storage's "Regional Storage" option for storing application backup files for disaster recovery purposes
nikila99
👍 1
Answer is A , Coldline Storage may be less expensive than other storage options, but it has higher latency and a longer retrieval time, which may not be suitable for disaster recovery purposes where data needs to be quickly retrieved and restored. For disaster recovery purposes, it is recommended to use Multi-Regional Storage which provides high availability and durability of data.
JoniMONI
👍 3
Selected: C
The correct answer would depend on the specific requirements of the backup files. If the backup files need to be accessed infrequently and data retrieval within several hours or days is acceptable, then Coldline Storage would be the most cost-effective option. If the backup files need to be accessed within seconds and the cost is not a concern, then Nearline Storage would be a suitable option. If the backup files need to be accessible at all times and the cost is not a concern, then Multi-Regional Storage would be the best option as it provides high durability and availability, as well as low latency access to your data. It is important to consider the specific requirements of your backup files and choose the storage option that best meets those needs.
izekc
👍 1
From ChatGPT A. Multi-Regional Storage Google recommends using Multi-Regional Storage for disaster recovery purposes. Multi-Regional Storage is designed for data that needs to be stored in multiple locations for high availability and durability. It offers high availability and low latency for read and write operations, making it well-suited for applications that require frequent access to data, such as backup and recovery scenarios.
Neha_Pallavi
👍 1
in the question clearly mentioned about google recommended practices, cost-effective and disaster recovery for this highlighted point best suitable option is Code line
Buruguduystunstugudunstuy
👍 1
Multi-Regional Storage is a good option for frequently accessed data that requires high availability and low latency, such as user-generated content for a popular website or mobile application. However, for backup files for disaster recovery purposes, data is not expected to be accessed frequently, and high availability and low latency are not the main requirements. Therefore, Coldline Storage is a more cost-effective option for backup files for disaster recovery purposes.
yeanlingmedal71
👍 3
Selected: D
Next best answer to Archive Storage is Coldline. Coldline is a Cloud Storage class designed for long-term archival and disaster recovery. Coldline is perfect for the archival needs of big data or multimedia content, allowing businesses to archive years of data. Coldline provides fast and instant (millisecond) access to data and changes the way that companies think about storing and accessing their cold data. Google Cloud Storage Multi-Regional is a highly available and geo-redundant storage class. It’s the best storage class for business continuity, or for serving multimedia content to geographically distributed users. Google Cloud Storage Regional is a highly available storage class redundant within a single region. It’s ideal for pairing storage and compute resources within a region, to deliver low end-to-end latency and high throughput for workloads such as data transcoding or big data analytics workloads
ameynagmode
👍 2
Selected: D
Best storage option would be Archive storage but among the given options Coldline is correct.
Jatin1995
👍 5
If 'disaster recovery purposes' is the key then 'A' (Multi-Regional Storage) is the answer. If 'store application backup files' is the key then 'D' (Coldline Storage) can be the answer. So what should be the correct answer then ?
ChristN
👍 1
Selected: D
the storage class in this list that could help in our context is Coldline.
dasun_eranga
👍 2
correct answer is Archive Storage watch this video - https://www.cloudskillsboost.google/course_sessions/1672384/video/326664
Neha_Pallavi
👍 1
You are correct. But Archive Storage is not given choice. among choice code line best suitable option
xaqanik
👍 1
that is right. in Google official website there is written about this
leogor
👍 2
D, coldline is used if there is no option for archive
GaneshSurwase
👍 2
correct ans is D as per te new doc announcement https://cloud.google.com/blog/products/gcp/introducing-coldline-and-a-unified-platform-for-data-storage
GaneshSurwase
👍 1
but doc says - Archive storage is the lowest-cost, highly durable storage service for data archiving, online backup, and disaster recovery. https://cloud.google.com/storage/docs/storage-classes#:~:text=Archive%20storage%20is%20the%20lowest,online%20backup%2C%20and%20disaster%20recovery.
Sgegmund
👍 1
Selected: D
Coldline Storage for Disaster Recovery
abirroy
👍 1
Selected: D
Cloud Storage Coldline: a low-latency storage class for long-term archiving Coldline is a new Cloud Storage class designed for long-term archival and disaster recovery. Coldline is perfect for the archival needs of big data or multimedia content, allowing businesses to archive years of data. Coldline provides fast and instant (millisecond) access to data and changes the way that companies think about storing and accessing their cold data.
AzureDP900
👍 2
Since there is no archive mentioned cold line storage is best option.
Miwado
👍 1
D coldline next to archive
Tx4free
👍 1
Selected: D
Coldline is the best option
PLUTONIUM54
👍 1
D is correct
pranavdhopey
👍 1
Selected: D
D is correct
FernandoJ
👍 2
Selected: D
The recommended option is Archive, but the next best option in this list is Coldline https://cloud.google.com/storage/docs/storage-classes#:~:text=Archive%20Storage%20is%20the%20lowest%2Dcost%2C%20highly%20durable%20storage%20service%20for%20data%20archiving%2C%20online%20backup%2C%20and%20disaster%20recovery
shawnkkk
👍 1
D. Coldline Storage
vishnukumartr
👍 1
D. Coldline Storage
Jaira1256
👍 1
Ans - D
Pravallika123
👍 2
Answer D
beginnercloud
👍 1
Coldline Storage
Finger41
👍 4
Unless a withdraw frequency is mentioned, the recommended practice by google is to use "Archive Storage". However as this is not an available option, then "Coldline Storage" is the next best solution.
mcaromit
👍 1
D is correct
kopper2019
👍 1
Archive Storage, under uncertainty all people hopes to never use DR site so assuming that Archive is the cheapest but it can be restored in a fast way so DR with great RTO
kopper2019
👍 1
I meant ColdLine, D
EABDAJA
👍 2
D is correct
Hi2ALL
👍 1
D is correct Cold data storage - Archived data, such as data stored for legal or regulatory reasons, can be stored at low cost as Archive Storage, yet still be available if you need it. Disaster recovery - In the event of a disaster recovery event, recovery time is key. Cloud Storage provides low latency access to data stored as Archive Storage.
ShakthiGCP
👍 3
Verified Recently. Try to create a new Bucket in GCP and it will give options, Standard/Nearline/ColdLine/Archive. And under Coldline - google mentioned "Best for disaster recovery and data accessed less than once a quarter" .So Answer is - ColdLine and Not 'Archive' if the option is given in the future.
Mannu12
👍 1
what if the data is accessed once in 10years
andregrjp
👍 2
D.. is the answer but I think in the exam will show Archive and here you can find the new classes https://cloud.google.com/storage/docs/storage-classes
INASR
👍 3
Answer is D Coldline is a new Cloud Storage class designed for long-term archival and disaster recovery.
guid1984
👍 1
from GCP docs "Coldline Storage: Very low cost. Good for data that can be stored for at least 90 days, including disaster recovery." Hence ANSWER IS D ColdLine
vcafe
👍 1
To store backup files, should use Nearline storage rather than Coldline.
magistrum
👍 2
The most current answer is Archive storage...unsure if this question will get updated https://cloud.google.com/storage/docs/storage-classes?_ga=2.100245342.-1331405417.1599668379&_gac=1.26969423.1607902528.CjwKCAiAlNf-BRB_EiwA2osbxSJcakZWg1RPV4HNzaWrlSGcB07JrE1B6KZ6OmAh1zgJoQiI_X1QQxoCKRMQAvD_BwE
vara3dk
👍 1
Correct Ans is Coldline Storage.
zanaad231
👍 2
I think A is correct
suresz
👍 1
Google Cloud Storage Coldline, which is primarily used for archiving and disaster recovery, offers slightly lower availability than the Multi-Regional and Regional Storage classes, as well higher latency. Ref :- https://searchcloudcomputing.techtarget.com/definition/Google-Cloud-Storage-Coldline
robor97
👍 1
C:Nearline. As part of any DR architectture a fine balance must be observed between high availablity and cost . Nearline is is designed for backup scenarios where access is at most once per month, which is ideal for allowing you to undertake regular DR stress tests while keeping costs low. All the people here choosing D are going for cost only which is only a part of a successful DR architecture. Best practice for DR includes regular stress tests.
Jignesh_Gamdha
👍 1
D is correct, better to check directly on GCP console and choose the services... you will get to know... for DR purpose best suitable option is coldline storage...
swatititame
👍 1
• D. Coldline Storage Coldline storage is a very low cost highly durable storage service for data archiving, online backup, and disaster recovery. Coldline storage is the best choice for data that you plan to access at most once a year due to its slightly lower availability, 90 day minimum storage duration cost for data access, and higher per operation costs. Nearline and Coldline are for backup and archival storage and having the highest availability for both with 99.9 percent. For example, if you want to archive data or have access in the event of a disaster recovery event. As for pricing, all storage classes incur a cost per gigabyte of data stored per month with Multi-regional having the highest storage price, and Coldline having lowest storage price. Egress and data transfer charges may also apply. In addition to those charges, Nearline storage also incurs an access fee per gigabyte of data read, and Coldline storage incurs a higher fee per gigabyte of data read.
JohnnyS20
👍 5
Correct answer: Multi-regional Most people are trapped immediately by the keyword 'backup' and the need to lower down the cost. While keeping the cost down is a must in every decision we make, the real keyword here is 'DR - Disaster Recovery' When you're talking about DR, you are assuming that a disaster which may cause an entire datacenter or even a region to go down may happen anytime. This means the backups must be stored somewhere that is HIGHLY AVAILABLE. If we're talking "Highly available", then we can already go straight to Multi-regional storage as your backups are safely stored in another region in case the primary region goes down
glam
👍 2
Go to GCP console and try create a bucket... Choose where to store your data: Multi Region Choose a default storage class for your data: Coldline ('read' the caption: Best for disaster recovery) Hence D. Coldline Storage
SomeshGarg
👍 1
Coldline is less costly
glam
👍 2
D. Coldline Storage
kris16
👍 1
ARCHIVE is the best possible option, given that it is not listed in this question, COLDLINE is the next best alternative for backup / archival purposes.
shuvo_123
👍 1
D. Is the appropriate one because for Disaster Recovery org will more consider Storage Cost rather than Access Cost and for this reason Coldline beats Nearline.
someoneinthecloud
👍 1
Answer is D. Nearline is for files accessed at most, once a month and Coldline is for files accessed once a quarter and has a 90 minimum storage duration. Archive is for data accessed less than once a year (which would be ideal for the question), but as archive is not listed, then Coldline is the next best answer. Coldline SLA is 99.9% in single region, which is great for DR purposes
hozefa
👍 1
Archive would be the best, after that seems like next best option is coldline https://cloud.google.com/storage/docs/storage-classes
voler
👍 2
A is correct, its DR - while all of these types support multiregional, it only A calls it out explicitly.
SSPC
👍 2
D is correct. Because the option "A": Multi-Regional Storage: Equivalent to Standard Storage. https://cloud.google.com/storage/docs/storage-classes#legacy
professor
👍 2
Ans is D Coldline Storage
poogcp
👍 76
Best Answer is " Archive Storage " https://cloud.google.com/storage/docs/storage-classes But as per the given option next best solution is " Coldline Storage"
toasty
👍 4
Archive storage requires a lot of time to access files, and we are dealing with backups (we require fast acess times to restore service)
Sami_27
👍 4
No, archive storage might not be the correct choice as we need to consider the access time. Coldline Storage provides relatively faster access times compared to Archive Storage, which is important if you need to recover data quickly in a disaster scenario. Coldline Storage: Fits well with disaster recovery use cases where data is infrequently accessed but needs to be available relatively quickly if a disaster occurs.
Mutune
👍 7
Perfectly stated
poogcp
👍 3
correct Answer is " Archvie Storage" But this option is provided here so next best solution would be Coldline Storage. Reference URL: https://cloud.google.com/storage/docs/storage-classes
Khaled_Rashwan
👍 1
D. https://cloud.google.com/blog/products/gcp/introducing-coldline-and-a-unified-platform-for-data-storage Coldline is a new Cloud Storage class designed for long-term archival and disaster recovery.
zukko78
👍 15
D is correct, Coldline Storage COLDLINE 90 days 99.95% in multi-regions and dual-regions 99.9% in regions
ReyBan
👍 2
I go with A, In case of Disaster, region will go down - so backup should be multi-region
GCP_Student1
👍 2
Region is not a single/standalone server that will go down and in a disaster. Region is a collection of two or more zone that spans a large geographical area.
Agents89
👍 2
Disaster recovery...........D is the correct answer
measme
👍 1
but also "In the event of a disaster recovery event, recovery time is key. Cloud Storage provides low latency access to data stored as Archive Storage." https://cloud.google.com/storage/docs/storage-classes#archive
measme
👍 1
"Nearline Storage is also appropriate for data backup" https://cloud.google.com/storage/docs/storage-classes#nearline
blackroca
👍 4
nearline and coldline are appropriate but for the options available here, coldline will be more appropriate due to the lower access counts and cheaper storage rates.
Comments & Corrections
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Expert Analysis
Why the Answer Is Correct
Multi-Regional Storage is the correct answer because it provides the highest level of durability and availability, which is critical for disaster recovery scenarios. It replicates data across at least two distinct regions, ensuring that if one region experiences a catastrophic failure, the data remains accessible from another region. This aligns with Google's recommended practices for DR where business continuity is paramount.Why the Other Options Are Wrong
Coldline Storage (D) and Nearline Storage (C) are designed for infrequently accessed data and cost optimization, not for immediate availability during a disaster. Regional Storage (B) offers high durability but only within a single region, meaning it cannot protect against a regional outage, which is the specific risk DR aims to mitigate.Community Comment Notes
The community is divided, with many users selecting Coldline due to the keyword 'backup'. However, experienced commentators emphasize that 'Disaster Recovery' implies a need for high availability and multi-region resilience, pointing to Multi-Regional Storage. As noted by user JohnnyS20, focusing on 'DR' rather than just 'backup' leads to the correct conclusion.Official Reference
Exam Strategy
Always prioritize the primary objective stated in the scenario. If 'Disaster Recovery' or 'High Availability' is mentioned, look for options that offer redundancy across multiple regions. If 'Cost Optimization' or 'Archival' is the focus, consider Nearline or Coldline.
Frequently Asked Questions
Why isn't Coldline Storage suitable for disaster recovery?
Coldline is optimized for cost and infrequent access, lacking the high availability and rapid retrieval capabilities needed when restoring operations after a disaster.
What is the difference between backup and disaster recovery storage?
Backup storage focuses on long-term retention and cost, while disaster recovery storage prioritizes immediate availability and accessibility to resume operations quickly.
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