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Question 350
Archived compliance files are rarely requested. A user now needs to open one archive-tier blob for analysis using normal blob read operations. The application gets an unavailable-tier response. What must happen before the contents are readable?
- Increase throughput units on the storage account before reading the archived blob
- Change the blob access tier property to Hot and assume data is immediately readable
- Rehydrate the archived blob to an online access tier
- Turn on container anonymous public access
Explanation
Correct Answer
C:Archive-tier content is offline. Rehydrating it into hot, cool, or cold storage makes normal reads possible after the operation completes; retrieval time and pricing should be considered.
Incorrect Answers
A:The blob is unavailable because its Archive tier is offline, not because throughput is exhausted. Additional capacity does not complete the required rehydration operation.
B:Requesting an online tier initiates rehydration, which can take time. The application cannot assume the content is available until the rehydration operation finishes.
D:Anonymous access is an authorization setting and creates security exposure. Even an authorized caller cannot directly read an offline blob before rehydration.
Question 351
A financial archive contains reports downloaded once each quarter but retained for rapid online retrieval. The owner wants lower storage cost than Hot and accepts higher read charges. Which blob tier fits this access pattern?
- Archive tier, assuming blobs are instantly readable without rehydration
- Hot tier specifically because it charges more per stored gigabyte
- Use a Premium block blob storage account because quarterly reads are infrequent and capacity cost must be below Hot
- Cool tier for data that is infrequently accessed but still needs immediate online retrieval
Explanation
Correct Answer
D:Cool offers lower capacity cost for infrequent-access data in exchange for higher access costs and minimum retention considerations. Unlike Archive, it remains available for online reads.
Incorrect Answers
A:Archive minimizes long-term storage cost but archived blobs require rehydration before ordinary reads. It does not meet the immediate-online-access condition.
B:Hot is optimized for frequently accessed objects, making it less economical for quarterly retrieval when the business accepts Cool’s read costs.
C:Premium block blob storage is designed for low-latency, high-transaction workloads, not as the lower-capacity-cost tier for infrequently accessed objects. Cool provides the requested online access/capacity cost tradeoff.
Question 352
An Azure blob archive holds reports for unpredictable 20-day lifetimes. A proposal moves all reports to the online Cold tier because its capacity charge is lower than Hot. What cost consequence should the team include?
- Cold tier always has zero transaction charges
- Cold tier is identical to the Archive tier and cannot be read until rehydrated
- Cold tier has a minimum retention period; deleting after 20 days can incur prorated early deletion charges
- Use cold tier for the 20-day reports and expect a deleted blob’s remaining minimum period to be free
Explanation
Correct Answer
C:Cold tier generally has a 90-day minimum retention period, so frequently deleted 20-day objects can incur early deletion penalties despite reduced nominal capacity costs.
Incorrect Answers
A:Cold tier still has access and transaction pricing; the apparent capacity savings do not remove other cost categories.
B:Cold is an online tier with low-latency reads, unlike Archive. The concern is minimum retention and charges.
D:Cold tier has a minimum retention expectation. Early deletion charges may still be incurred despite the blob no longer being online after 20 days.
Question 353
An application uses a general-purpose v2 account with some blobs explicitly set to Hot and other blobs using the account-default access tier. An administrator changes the account default from Hot to Cool. Which blobs follow the changed default?
- Every blob immediately becomes Cool, including those explicitly set to Hot
- Blobs whose tier is inferred from the account default, not those explicitly pinned to Hot
- Only blobs that currently have an explicit Cool tier selection
- Only previous blob versions, because the default account tier applies exclusively to versions
Explanation
Correct Answer
B:The default is applied when a blob lacks an explicit tier selection. Explicitly tiered blobs retain their assigned tier until changed separately; billing consequences should also be reviewed.
Incorrect Answers
A:An explicit blob-tier selection takes precedence over the account default. Changing the default does not erase individually selected tiers on those objects.
C:Explicitly tiered Cool blobs retain that selection regardless of the account default, so changing the default would not be the reason they move.
D:Previous versions have their own tier behavior and lifecycle, but the account default applies to current blobs with inferred tier. It is not restricted to previous versions.
Question 354
Archival documents are rarely accessed, can be recovered after several hours, and should be retained for at least a year. A manager proposes the Archive blob tier but assumes an object can be deleted after 20 days without early deletion fees. What pricing constraint matters?
- Archive tier requires continuous online reads with millisecond latency
- Archive tier has no minimum duration and no rehydration charges
- Archive is the only storage tier that supports ZRS
- Archive tier ordinarily has a 180-day minimum retention charge
Explanation
Correct Answer
D:Archive is suitable for long-lived, infrequently read data, but deleting or moving the blob too early can incur charges for the unserved minimum period. A one-year lifecycle satisfies the intended horizon.
Incorrect Answers
A:Archive is an offline tier that requires rehydration before ordinary data reads. Immediate reads are not its defining service characteristic.
B:The tier includes minimum-retention cost implications and retrieval operations; ignoring them would understate archival storage expenses.
C:Archive has specific redundancy restrictions and is not designed for ZRS accounts. The proposed pricing claim is unrelated to zone support.
Question 355
An auditor needs a small archived block blob for an urgent investigation. Standard rehydration would be too slow, and the team accepts additional retrieval cost. Which choice improves priority while correctly setting expectations?
- Request High-priority archive rehydration to an online tier, understanding that completion still takes time
- Issue a direct Get Blob immediately against the archived object
- Request Standard-priority rehydration to Hot and assume the small blob must become readable within minutes
- Change the account's default Blob access tier to Hot and assume the already archived object rehydrates immediately
Explanation
Correct Answer
A:High-priority rehydration is processed ahead of Standard requests, generally faster for small blobs but not guaranteed instant. The blob remains offline until its rehydration completes.
Incorrect Answers
B:Archived blobs cannot be read through normal Get Blob until they are rehydrated to an online access tier.
C:Even for a small archived blob, Standard-priority rehydration can take several hours and doesn't meet the time-sensitive requirement. High-priority rehydration is the supported expedited path, though it still is not instantaneous.
D:An account-level default access-tier setting does not instantly rehydrate an object explicitly placed in Archive. That blob requires an appropriate rehydration operation, which can be requested at High priority.
Question 356
A blob has a current hot version and an older version stored in archive. Investigators want to examine the archived previous version without replacing the live current version. What archive operation is appropriate?
- Change the storage account default access tier and expect the archived previous version to become online
- Copy the archived previous version to a new blob in an online tier and wait for the copy rehydration
- Set Blob Tier directly on the archived previous version and expect in-place rehydration
- Overwrite the live current version with empty data to activate the old one
Explanation
Correct Answer
B:Archived previous versions and snapshots cannot be rehydrated in place. Copying to a new online-tier blob preserves the existing current version while making an independent retrievable copy.
Incorrect Answers
A:The account default tier does not rehydrate an explicitly archived historical version; a copy to an online tier is still required.
C:An in-place Set Blob Tier operation does not support directly rehydrating an archived previous version; the documented route is Copy Blob.
D:Overwriting current data destroys or changes the production view and has no direct effect on the archived version’s offline state.
Question 357
An archived Blob was already submitted for rehydration to Hot using Set Blob Tier at Standard priority. Its status remains rehydrate-pending-to-hot, but an urgent investigation now justifies the higher retrieval charge. The team must accelerate this existing request without replacing the archived source or creating another copy. What should they do?
- Change the storage account's default access tier to Hot; this immediately upgrades every pending archive rehydration request
- Delete the pending blob and start a new Copy Blob operation with a different name, because in-flight priority cannot change
- Update the pending blob's Set Blob Tier request to the same Hot target with High rehydration priority, and verify the new priority
- Lower the current request to a cheaper priority first, then raise it to High after the normal archive retrieval time has elapsed
Explanation
Correct Answer
C:Azure Blob Storage permits a pending Set Blob Tier rehydration to be upgraded from Standard to High priority by specifying the same intended online tier—Hot in this case—together with High priority. Afterward, check the blob's rehydration status and priority. This can shorten processing time at additional cost, but it does not guarantee immediate availability, and a pending High request cannot be downgraded again to Standard.
Incorrect Answers
A:The account's default access tier can guide how newly uploaded or default-tier blobs are billed, but it does not rewrite the priority of an already pending archive-tier rehydration. This blob is still in archive processing, and the required improvement is a specific priority change on its pending request. Changing an account-wide default also has broader effects unrelated to the investigator's urgent single-blob retrieval.
B:A new Copy Blob operation can create another destination for archived data, but that would restart a transfer workflow and create a second object, contrary to the stated constraints. More importantly, Microsoft supports raising an existing Standard-priority rehydration without starting over. Deleting the pending or original blob can jeopardize evidence custody and is not needed to accelerate the current in-flight operation.
D:Priority changes for a pending archive restoration are not a required two-step downgrade-and-upgrade sequence. Standard is already the request's current priority; it can be upgraded directly to High with the same destination tier. Waiting until the expected Standard recovery window expires defeats the urgent requirement, and lowering a High-priority pending request back to Standard is specifically unsupported.
Question 358
A finance team retains archived block blobs for at least 180 days to avoid early-deletion charges. After only 40 days, analysts need to edit one copy of an archived report in the Hot tier, but the original archived evidence must remain unmodified until retention ends. Which Azure Storage operation meets both requirements?
- Call Set Blob Tier on the original archive blob to Hot, then edit the same blob and assume the archive retention minimum no longer applies
- Start a Copy Blob operation from the archived source to a new destination blob in the Hot tier, then work with the completed online copy while retaining the original archive
- Write new metadata directly onto the archived source, because archived blobs support inline write operations regardless of offline content status
- Create a Blob lifecycle management rule that automatically rehydrates just the archived report back to Hot on the day it is accessed
Explanation
Correct Answer
B:Azure Blob Storage can rehydrate an archived source by copying it to a *new* blob while selecting an online destination tier such as Hot. The original source remains in Archive, preserving the independent compliance evidence and avoiding an early-deletion fee for that source. Wait for asynchronous rehydration to complete before editing the new destination copy; the initial copy request does not make the data immediately available.
Incorrect Answers
A:Set Blob Tier would start rehydrating the original archived blob and alter its access tier rather than preserve it as the required compliance copy. Moving an archive blob to an online tier before its minimum retention interval can incur early-deletion charges. Because the source must remain archived and untouched, choosing an in-place tier conversion fails two explicit constraints.
C:Archive is an offline blob tier; writes to its contents and ordinary modification requests are not supported until appropriate rehydration. Directly editing the original also contradicts the requirement to keep compliance evidence intact. The supported approach is to create a separate online copy and only modify that new object after it is available.
D:Blob lifecycle management supports moving eligible online blobs to cooler/archive tiers and deleting according to rules, but it does not support automatic archive-to-online rehydration. A read access request also does not automatically change the archived object to Hot. Explicitly copy the archived blob to an online destination while retaining the source for the required period.
Question 359
An application occasionally deletes active block blobs by mistake. Compliance requires those individual deleted objects to be recoverable for 14 days, but does not require restoring entire deleted containers. Which Blob Storage data-protection feature should be configured?
- Blob soft delete with a 14-day retention period
- ZRS replication alone
- Create daily blob snapshots but leave the accidental deletion recovery window unspecified
- Enable container soft delete only, while leaving individual blob soft delete disabled
Explanation
Correct Answer
A:Blob soft delete retains deleted blob states for the configured recovery period. An operator can undelete an individual blob before expiry, without requiring container-level restore.
Incorrect Answers
B:ZRS preserves availability against infrastructure failure. A successful application-level delete is ordinarily replicated across the available copies, so redundancy alone is not a rollback mechanism.
C:Snapshots may capture some earlier states, but an ad hoc schedule alone does not define the explicit 14-day retention and undelete behavior requested for individual deleted objects.
D:Container soft delete restores a deleted container as a unit. The scenario concerns individual blobs deleted inside a retained container, which calls for blob soft delete.
Question 360
An application deleted an entire Azure Blob container, not merely one blob inside it. Blob soft delete is enabled, but the team never enabled container soft delete. Which protection gap explains the failed attempt to recover the deleted container as a unit?
- Container soft delete must be enabled to undelete deleted containers within its retention window
- Blob versioning always undeletes an entire deleted container
- Azure Storage GRS converts container deletion into a read-only secondary copy
- A subscription Reader role can reverse every completed container deletion
Explanation
Correct Answer
A:Container soft delete is the protection that retains a deleted container as a recoverable object for its configured retention period. In this case only blob soft delete was enabled, so there was no container-level recovery state when the entire container was deleted. Enabling container soft delete before future deletions permits restoration of a whole container and its contents while retained; it does not retroactively protect this one.
Incorrect Answers
B:Blob versioning can preserve previous versions of individual blobs after certain changes and can complement blob soft delete. It does not itself maintain a deleted container as a recoverable container object. Because the loss here was the container, not merely one blob within an existing container, versioning alone cannot be treated as a replacement for container soft delete.
C:GRS replicates storage data to a secondary region for disaster resilience. It is not a logical undo feature for the deliberate deletion of an entire container; deletion state can also propagate with geo-replication. A geographically redundant copy is not equivalent to retaining a soft-deleted container with a controlled restore window, so it cannot supply the missing container-recovery mechanism.
D:Subscription Reader provides visibility into Azure Resource Manager information and does not authorize restoring deleted Blob containers. Restoration requires an appropriate data-plane permission and a recoverable container retained by container soft delete. Because that feature was not enabled before this deletion, changing the user to a Reader role would neither create a retained object nor recover its deleted contents.
Microsoft Azure Administrator (AZ-104) Practice Tests