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Exam Code: DP-700

Exam Name: Implementing Data Engineering Solutions Using Microsoft Fabric

Certification Provider: Microsoft

Corresponding Certification: Microsoft Certified: Fabric Data Engineer Associate

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Microsoft DP-700 Practice Test 34

Question 330

A municipal authority queries a lakehouse SQL analytics endpoint backed by Delta tables. A consumer expects row-level data freshness immediately after an asynchronous maintenance operation. Which design decision most directly meets the requirement?

  1. Check maintenance completion and endpoint synchronization status
  2. Delete old Parquet files directly in OneLake without consulting Delta transaction metadata
  3. Select VACUUM retention only after verifying historical-read and recovery requirements
  4. Run appropriate Delta compaction on the source lakehouse table

Explanation

Correct Answer

A:

Asynchronous work and metadata sync can create observable delays despite a submitted request.

Incorrect Answers

B:

For this requirement of a consumer expects row-level data freshness immediately after an asynchronous maintenance operation, Delete old Parquet files directly in OneLake without consulting Delta transaction metadata would be unsafe or ineffective because raw file deletion can break live Delta table versions and query consistency; apply Check maintenance completion and endpoint synchronization status instead.

C:

For old unreferenced file cleanup is requested without considering snapshot recovery, Select VACUUM retention only after verifying historical-read and recovery requirements can be justified because permanent cleanup can invalidate older table versions that relied on obsolete files; for this scenario involving a consumer expects row-level data freshness immediately after an asynchronous maintenance operation, the targeted response is Check maintenance completion and endpoint synchronization status.

D:

Although Run appropriate Delta compaction on the source lakehouse table fits the separate issue that the underlying Delta table contains many tiny files after repeated merges because file compaction improves read efficiency in the underlying storage, not only Spark-specific queries, this case concerns a consumer expects row-level data freshness immediately after an asynchronous maintenance operation and should be resolved with Check maintenance completion and endpoint synchronization status.

Question 331

A logistics network is consolidating Fabric workspaces previously owned by separate regions. Operators must validate that workspace settings survived an automated recreation. What should the data engineer change first?

  1. Compare effective Spark, domain and OneLake settings against the reviewed baseline
  2. Inspect and correct its supported capacity assignment with authorized administration
  3. Maintain separate reviewed workspace or environment configurations for each execution profile
  4. Give all external partner users a workspace Admin role to simplify consolidation

Explanation

Correct Answer

A:

IaC deployment success is not proof that all workspace defaults match their prior operational values.

Incorrect Answers

B:

For one workspace is still bound to the wrong capacity after consolidation, Inspect and correct its supported capacity assignment with authorized administration can be justified because workspace placement affects resource accounting and execution, not only the workspace's display name; for this scenario involving operators must validate that workspace settings survived an automated recreation, the targeted response is Compare effective Spark, domain and OneLake settings against the reviewed baseline.

C:

Although Maintain separate reviewed workspace or environment configurations for each execution profile fits the separate issue that teams need different default Spark tuning settings for research and production because isolation prevents experimental executor settings from changing a critical production workload, this case concerns operators must validate that workspace settings survived an automated recreation and should be resolved with Compare effective Spark, domain and OneLake settings against the reviewed baseline.

D:

The option Give all external partner users a workspace Admin role to simplify consolidation fails to meet operators must validate that workspace settings survived an automated recreation, given that organization changes do not justify expanding permissions across confidential analytics items; Compare effective Spark, domain and OneLake settings against the reviewed baseline is the correct scope of action.

Question 332

A municipal authority manages Fabric warehouse DDL changes through a CI process. QA needs evidence of which schema revision produced the current warehouse. Which action best addresses the observed Fabric behavior?

  1. Record build artifact version and deployment run with its approved source commit
  2. Analyze dependent objects and update database project definitions together
  3. Skip the SQL project build because Fabric will silently repair unsupported syntax
  4. Inspect compatibility and project build diagnostics before deploying

Explanation

Correct Answer

A:

Traceability ties production objects back to reviewed source and deployment evidence.

Incorrect Answers

B:

Although Analyze dependent objects and update database project definitions together fits the separate issue that a table is referenced by a view but a migration proposes renaming it because a rename can invalidate views or procedures if consumers are not migrated coherently, this case concerns qA needs evidence of which schema revision produced the current warehouse and should be resolved with Record build artifact version and deployment run with its approved source commit.

C:

The option Skip the SQL project build because Fabric will silently repair unsupported syntax fails to meet qA needs evidence of which schema revision produced the current warehouse, given that unsupported SQL must be fixed rather than hidden by deployment automation; Record build artifact version and deployment run with its approved source commit is the correct scope of action.

D:

The option Inspect compatibility and project build diagnostics before deploying applies to the separate issue that a database project build fails after a new SQL function is added, because source SQL must compile for the supported Fabric warehouse dialect and project tooling; the current condition is qA needs evidence of which schema revision produced the current warehouse, which calls for Record build artifact version and deployment run with its approved source commit.

Question 333

A regional health provider shares a curated lakehouse through Direct Lake semantic models. Data owners want to validate access for a guest rather than their own administrative account. How should the team implement this requirement?

  1. Review the identity mode and consider supported user-identity access for OneLake-filtered source data
  2. Assume workspace admins always experience identical row filtering to restricted report viewers
  3. Configure supported OneLake row security and verify each consuming engine's enforcement mode
  4. Test with a qualified least-privilege guest identity and verify cross-tenant configuration

Explanation

Correct Answer

D:

Entra guest policy and Fabric security must both permit the specific collaboration path.

Incorrect Answers

A:

Although Review the identity mode and consider supported user-identity access for OneLake-filtered source data fits the separate issue that an SQL analytics endpoint uses delegated-owner identity and refuses a secured shortcut source because delegated identity can conflict with secured shortcut sources; per-user enforcement must be deliberate, this case concerns data owners want to validate access for a guest rather than their own administrative account and should be resolved with Test with a qualified least-privilege guest identity and verify cross-tenant configuration.

B:

The option Assume workspace admins always experience identical row filtering to restricted report viewers fails to meet data owners want to validate access for a guest rather than their own administrative account, given that privileged workspace access and engine identity mode can change effective data permissions; Test with a qualified least-privilege guest identity and verify cross-tenant configuration is the correct scope of action.

C:

The option Configure supported OneLake row security and verify each consuming engine's enforcement mode applies to the separate issue that row restrictions must apply consistently when consumers query through OneLake-aware engines, because engine identity and Direct Lake access mode affect whether OneLake policy is evaluated for each user; the current condition is data owners want to validate access for a guest rather than their own administrative account, which calls for Test with a qualified least-privilege guest identity and verify cross-tenant configuration.

Question 334

An education provider loads multiple assessment exports using Fabric Data Factory. Operations needs a count of successful and failed files by day. Which solution is the most defensible for this case?

  1. Record run outputs and per-file completion status in a durable operational table
  2. Deduplicate using the source event or file key before committing output rows
  3. Choose the supported file-event trigger with an exact source and folder match
  4. Delete all source files as soon as the trigger fires, before validation finishes

Explanation

Correct Answer

A:

A single pipeline success flag does not represent a multi-file batch's actual coverage.

Incorrect Answers

B:

The option Deduplicate using the source event or file key before committing output rows applies to the separate issue that some files arrive twice with the same business ID, because event-based orchestration does not itself guarantee exactly-once business writes; the current condition is operations needs a count of successful and failed files by day, which calls for Record run outputs and per-file completion status in a durable operational table.

C:

Choose the supported file-event trigger with an exact source and folder match is useful when a new export must trigger ingestion within minutes of file creation, since a storage event responds to arrival without requiring a high-frequency polling schedule; however, the actual requirement is operations needs a count of successful and failed files by day, which calls for Record run outputs and per-file completion status in a durable operational table.

D:

Choosing Delete all source files as soon as the trigger fires, before validation finishes would not satisfy the case condition (operations needs a count of successful and failed files by day), because losing raw input before confirmed processing prevents safe recovery; Record run outputs and per-file completion status in a durable operational table preserves the intended result.

Question 335

A healthcare provider designs a medallion pipeline for de-identified encounter records. A delayed correction affects last month's already-published daily counts. Which troubleshooting or configuration step is most appropriate?

  1. Land an immutable Bronze copy before applying transformation rules
  2. Deduplicate by approved event identifier and version during Silver processing
  3. Drop all invalid input without retaining error context or rejected record IDs
  4. Recompute the affected Gold partitions from corrected Silver state

Explanation

Correct Answer

D:

Late corrections require downstream materializations to be refreshed, not just stored in a landing folder.

Incorrect Answers

A:

The option Land an immutable Bronze copy before applying transformation rules applies to the separate issue that raw records must be retained for later replay even if validation rules change, because bronze preserves the received evidence needed to reproduce Silver and Gold outputs; the current condition is a delayed correction affects last month's already-published daily counts, which calls for Recompute the affected Gold partitions from corrected Silver state.

B:

Deduplicate by approved event identifier and version during Silver processing is useful when duplicate patient event IDs arrive from an upstream service retry, since business-key deduplication prevents transport retries from counting as new encounters; however, the actual requirement is a delayed correction affects last month's already-published daily counts, which calls for Recompute the affected Gold partitions from corrected Silver state.

C:

Choosing Drop all invalid input without retaining error context or rejected record IDs would not satisfy the case condition (a delayed correction affects last month's already-published daily counts), because blind deletion removes the evidence needed to diagnose source quality problems; Recompute the affected Gold partitions from corrected Silver state preserves the intended result.

Question 336

A public health agency receives epidemiology records in a Fabric lakehouse. Duplicate case reports differ by submission time and approved revision number. Which design decision most directly meets the requirement?

  1. Quarantine the record under an explicit data-quality failure rule
  2. Derive approved age groups in Silver and exclude restricted identifiers from Gold
  3. Deduplicate using the case ID and authoritative revision order
  4. Interpret a null diagnosis code as an observed confirmed disease state

Explanation

Correct Answer

C:

Sorting by arrival time alone can choose an outdated record.

Incorrect Answers

A:

Quarantine the record under an explicit data-quality failure rule is useful when a case report contains an invalid negative age, since numeric type validation alone cannot establish medically plausible values; however, the actual requirement is duplicate case reports differ by submission time and approved revision number, which calls for Deduplicate using the case ID and authoritative revision order.

B:

The action Derive approved age groups in Silver and exclude restricted identifiers from Gold solves analysts need age bands but direct birthdates should not enter the public Gold table because curated outputs should minimize unnecessary sensitive attributes; it does not by itself solve duplicate case reports differ by submission time and approved revision number, whereas Deduplicate using the case ID and authoritative revision order does.

D:

The option Interpret a null diagnosis code as an observed confirmed disease state fails to meet duplicate case reports differ by submission time and approved revision number, given that missing clinical values are not positive evidence; Deduplicate using the case ID and authoritative revision order is the correct scope of action.

Question 337

A municipal water network runs stateful Spark streaming over live pressure readings. Readings arrive out of order and windows should use measured time. What should the data engineer change first?

  1. Apply event-time window functions and an appropriate watermark
  2. Review watermark configuration and maximum tolerated lateness
  3. Reconcile sink idempotency and recovery semantics before starting with a new checkpoint
  4. Declare exactly-once business outcomes solely because Spark reports the query is running

Explanation

Correct Answer

A:

Arrival order is not the same as physical measurement chronology.

Incorrect Answers

B:

For an operational stateful aggregation never evicts old windows, Review watermark configuration and maximum tolerated lateness can be justified because state retention should track the business's late-event acceptance interval; for this scenario involving readings arrive out of order and windows should use measured time, the targeted response is Apply event-time window functions and an appropriate watermark.

C:

Although Reconcile sink idempotency and recovery semantics before starting with a new checkpoint fits the separate issue that a restart uses a different checkpoint with the same output table because an unrelated checkpoint can cause reprocessing even when the Delta destination already contains prior results, this case concerns readings arrive out of order and windows should use measured time and should be resolved with Apply event-time window functions and an appropriate watermark.

D:

Declare exactly-once business outcomes solely because Spark reports the query is running would not satisfy readings arrive out of order and windows should use measured time because a running stream alone does not prove duplicate-free target commits; the defensible response is Apply event-time window functions and an appropriate watermark.

Question 338

A university builds analytics from student activity events and curated term-level metrics. Administrators want an alert when the term pipeline is late by more than an hour. Which action best addresses the observed Fabric behavior?

  1. Populate missing source course IDs with a random known course to increase fill rates
  2. Compare input course IDs with retained output IDs and notebook filter logic
  3. Monitor last successful run against the expected deadline and send a supported alert
  4. Inspect event field mapping and KQL destination schema

Explanation

Correct Answer

C:

Freshness conditions should be evaluated against business timing, not only error counts.

Incorrect Answers

A:

Applying Populate missing source course IDs with a random known course to increase fill rates when administrators want an alert when the term pipeline is late by more than an hour would introduce a defect because fabricated identifiers are not a valid data-quality remediation; a direct solution is Monitor last successful run against the expected deadline and send a supported alert.

B:

Although Compare input course IDs with retained output IDs and notebook filter logic fits the separate issue that a batch transform skips some course sections because its filter predicate is wrong because count reconciliation and predicate review identify semantic data loss, this case concerns administrators want an alert when the term pipeline is late by more than an hour and should be resolved with Monitor last successful run against the expected deadline and send a supported alert.

D:

The option Inspect event field mapping and KQL destination schema applies to the separate issue that eventstream events arrive but source identifiers appear blank downstream, because a schema mismatch can degrade data even when the event count remains high; the current condition is administrators want an alert when the term pipeline is late by more than an hour, which calls for Monitor last successful run against the expected deadline and send a supported alert.

Question 339

A utility company queries historical OneLake Delta tables through an Eventhouse shortcut. The source Delta schema adds a column but an external KQL query expects the old shape. How should the team implement this requirement?

  1. Correct target and shortcut permissions for the actual identity
  2. Recreate the entire Eventhouse on every external-table schema mismatch
  3. Review the acceleration policy window and its operational statistics
  4. Inspect and synchronize the supported external table schema

Explanation

Correct Answer

D:

Schema evolution can require external metadata updates before queries can use new fields.

Incorrect Answers

A:

Although Correct target and shortcut permissions for the actual identity fits the separate issue that a data-security role blocks read access to the shortcut target because acceleration cannot bypass underlying OneLake authorization, this case concerns the source Delta schema adds a column but an external KQL query expects the old shape and should be resolved with Inspect and synchronize the supported external table schema.

B:

Recreate the entire Eventhouse on every external-table schema mismatch would not satisfy the source Delta schema adds a column but an external KQL query expects the old shape because targeted metadata and access repair is safer than deleting unrelated native events; the defensible response is Inspect and synchronize the supported external table schema.

C:

The option Review the acceleration policy window and its operational statistics applies to the separate issue that acceleration was enabled but recent data remains uncached, because cache coverage depends on policy scope and progress, not the mere presence of a toggle; the current condition is the source Delta schema adds a column but an external KQL query expects the old shape, which calls for Inspect and synchronize the supported external table schema.

Question 340

A utility company's Spark job reads a partitioned Delta table spanning several years. Operations wants to run VACUUM daily with an unusually short retention. Which solution is the most defensible for this case?

  1. Treat VACUUM as a replacement for computing accurate table statistics
  2. Evaluate supported Delta file-layout and data-skipping optimization for the access pattern
  3. Check date predicate form and physical partition pruning in the query plan
  4. Evaluate time-travel, streaming and recovery dependencies before choosing retention

Explanation

Correct Answer

D:

Old unreferenced files may still be required for approved rollback or delayed readers.

Incorrect Answers

A:

Treat VACUUM as a replacement for computing accurate table statistics would not satisfy operations wants to run VACUUM daily with an unusually short retention because vACUUM removes obsolete files; statistics and compaction serve different optimization goals; the defensible response is Evaluate time-travel, streaming and recovery dependencies before choosing retention.

B:

The option Evaluate supported Delta file-layout and data-skipping optimization for the access pattern applies to the separate issue that a highly selective query on machine ID still reads too many files, because compact and well-organized files can improve selective reads without requiring more executors; the current condition is operations wants to run VACUUM daily with an unusually short retention, which calls for Evaluate time-travel, streaming and recovery dependencies before choosing retention.

C:

Check date predicate form and physical partition pruning in the query plan is useful when most queries filter on a date but Spark still scans unrelated year partitions, since predicates aligned to partition columns can avoid reading irrelevant partitions; however, the actual requirement is operations wants to run VACUUM daily with an unusually short retention, which calls for Evaluate time-travel, streaming and recovery dependencies before choosing retention.

Implementing Data Engineering Solutions Using Microsoft Fabric (DP-700) Practice Tests