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Exam 70-487 topic 1 question 72 discussion

Actual exam question from Microsoft's 70-487
Question #: 72
Topic #: 1
[All 70-487 Questions]

DRAG DROP -
You are developing the following applications. All applications will be hosted in Azure and data will be stored using Azure storage.

All data must be stored using the binary large object (blob) hot storage tier.
You need to select the blob storage type for each application.
Which blob storage types should you use? To answer, drag the appropriate blob types to the correct applications. Each blob type may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Each correct selection is worth one point.
NOTE:
Select and Place:

Show Suggested Answer Hide Answer
Suggested Answer:
Box 1 Logging: append blob -
An append blob is comprised of blocks and is optimized for append operations. When you modify an append blob, blocks are added to the end of the blob only, via the Append Block operation.

Box 2 VM Manager: block blob -
Block blobs let you upload large blobs efficiently.

Box 3: Accounting: page blob -
Page blobs are a collection of 512-byte pages optimized for random read and write operations.
References:
https://docs.microsoft.com/en-us/rest/api/storageservices/understanding-block-blobs--append-blobs--and-page-blobs
by nfgmaia at Nov. 29, 2019, 5:29 p.m.

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nfgmaia
Highly Voted 5 years, 4 months ago
Answer is wrong. Box 1: Append blob Box 2: Page blob Box 3: Block blob
upvoted 19 times
abalone
5 years, 4 months ago
Yeah answer is wrong. 1. append 2. page 3. block
upvoted 4 times
TinaZh
5 years, 2 months ago
Agreed https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blobs-introduction#blobs Azure Storage supports three types of blobs: 1) Block blobs store text and binary data, up to about 4.7 TB. Block blobs are made up of blocks of data that can be managed individually. 2) Append blobs are made up of blocks like block blobs, but are optimized for append operations. Append blobs are ideal for scenarios such as logging data from virtual machines. 3) Page blobs store random access files up to 8 TB in size. Page blobs store virtual hard drive (VHD) files and serve as disks for Azure virtual machines. For more information about page blobs, see Overview of Azure page blobs
upvoted 2 times
zimzimzimma
4 years, 7 months ago
I think the given answer is correct, if you visit your link you see another link to https://docs.microsoft.com/en-us/rest/api/storageservices/understanding-block-blobs--append-blobs--and-page-blobs where the differences are explained in detail. I'm going with voland's answer.
upvoted 2 times
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founderDev
5 years, 2 months ago
Logging: append blob VM Manager: page blob Accounting: block blob
upvoted 1 times
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tiger25
5 years, 2 months ago
Agreed.
upvoted 1 times
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voland
Highly Voted 5 years, 3 months ago
Box 1 Logging: append blob An append blob is comprised of blocks and is optimized for append operations. When you modify an append blob, blocks are added to the end of the blob only, via the Append Block operation. Box 2 VM Manager: block blob Block blobs let you upload large blobs efficiently. Box 3: Accounting: page blob Page blobs are a collection of 512-byte pages optimized for random read and write operations. References: https://docs.microsoft.com/en-us/rest/api/storageservices/understanding-block-blobs--append-blobs--and-page-blobs
upvoted 9 times
zimzimzimma
4 years, 7 months ago
Yes, I think the given answer is correct.
upvoted 2 times
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ozner16
4 years, 5 months ago
https://stackoverflow.com/questions/29079268/differences-between-azure-block-blob-and-page-blob
upvoted 2 times
Abou_riyad
4 years, 3 months ago
Yes, according to your reference page blob should work with VHD (page blobs are what's used for Azure Virtual Machine disks)
upvoted 1 times
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trzepak1916
Most Recent 4 years, 3 months ago
1. Append 2. Page 3. Block „Hence, page blobs are ideal for storing index-based and sparse data structures like OS and data disks for Virtual Machines and Databases.” https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blob-pageblob-overview?tabs=dotnet
upvoted 2 times
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Jobair
4 years, 5 months ago
From the following link “VMM supports block storage” https://docs.microsoft.com/en-us/system-center/vmm/overview?view=sc-vmm-2019
upvoted 1 times
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