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DevNet Associate (DEVASC) 200-901 Practice Test 42

Question 410

The initial implementation fails or does not meet the expected behavior. A remote plant emits terabytes of raw sensor readings but headquarters only needs ten-minute aggregates and anomaly flags. Which investigation should be prioritized to diagnose the problem?

  1. Inspect env output for the child and the wrapper's variable assignments.
  2. Inspect query construction, parameter bindings and controlled injection tests.
  3. Inspect raw input rate, edge output rate, buffering behavior and missing summaries.
  4. Compare CI artifact digest, registry manifest and deployed workload image reference.

Explanation

Correct Answer

C:

Inspect raw input rate, edge output rate, buffering behavior and missing summaries. These are the relevant initial evidence checks for Edge aggregation for bandwidth-heavy telemetry. Intended action: Aggregate and filter readings at an authorized edge gateway before sending summaries upstream. Expected success condition: WAN consumption falls while required aggregates and anomaly notices arrive at headquarters correctly.

Incorrect Answers

A:

Inspect env output for the child and the wrapper's variable assignments. This investigation primarily applies to Export environment variable for child process, not the current Edge aggregation for bandwidth-heavy telemetry problem. Prioritize: Inspect raw input rate, edge output rate, buffering behavior and missing summaries.

B:

Inspect query construction, parameter bindings and controlled injection tests. This investigation primarily applies to Parameterized SQL blocks injection, not the current Edge aggregation for bandwidth-heavy telemetry problem. Prioritize: Inspect raw input rate, edge output rate, buffering behavior and missing summaries.

D:

Compare CI artifact digest, registry manifest and deployed workload image reference. This investigation primarily applies to Artifact promotion instead of rebuild drift, not the current Edge aggregation for bandwidth-heavy telemetry problem. Prioritize: Inspect raw input rate, edge output rate, buffering behavior and missing summaries.

Question 411

A Cisco network automation team has this requirement: A hospital keeps identifiable records in a controlled on-prem environment but wants burst analytics capacity on a public cloud service. Which design or implementation action best addresses it?

  1. Build and run a container image with pinned dependencies and the expected runtime entrypoint.
  2. Run the latency-critical detection service on suitable local edge compute and forward summaries when connectivity allows.
  3. Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries.
  4. Use parameterized SQL queries rather than directly injecting the device name into statement text.

Explanation

Correct Answer

C:

Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries. Technical reason: Hybrid cloud combines private/local and public resources with explicit connectivity and governance. Verify by: Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected. Deployment qualification: Hybrid architecture introduces integration and operational complexity that must be accounted for.

Incorrect Answers

A:

Build and run a container image with pinned dependencies and the expected runtime entrypoint. This instead targets the different case Container versus VM for reproducible app packaging. The described Hybrid cloud for on-prem regulated data requirement specifically calls for Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries.

B:

Run the latency-critical detection service on suitable local edge compute and forward summaries when connectivity allows. This instead targets the different case Edge inference for camera safety alerts. The described Hybrid cloud for on-prem regulated data requirement specifically calls for Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries.

D:

Use parameterized SQL queries rather than directly injecting the device name into statement text. This instead targets the different case Parameterized SQL blocks injection. The described Hybrid cloud for on-prem regulated data requirement specifically calls for Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries.

Question 412

After deployment, an engineer must prove the proposed solution works. A hospital keeps identifiable records in a controlled on-prem environment but wants burst analytics capacity on a public cloud service. Which observed result is the most direct acceptance evidence?

  1. A malicious-looking device name is treated as literal data and cannot change the WHERE predicate.
  2. A GET to localhost:9000 reaches the service listening on container port 8080.
  3. Controlled WAN failure does not prevent local alarms from being generated within the target latency.
  4. Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected.

Explanation

Correct Answer

D:

Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected. Recommended implementation: Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries. Why the observation matters: Hybrid cloud combines private/local and public resources with explicit connectivity and governance.

Incorrect Answers

A:

A malicious-looking device name is treated as literal data and cannot change the WHERE predicate. That observation could confirm Parameterized SQL blocks injection, not the current Hybrid cloud for on-prem regulated data case. For this case, the decisive observation is: Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected.

B:

A GET to localhost:9000 reaches the service listening on container port 8080. That observation could confirm Map container host port correctly, not the current Hybrid cloud for on-prem regulated data case. For this case, the decisive observation is: Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected.

C:

Controlled WAN failure does not prevent local alarms from being generated within the target latency. That observation could confirm Edge inference for camera safety alerts, not the current Hybrid cloud for on-prem regulated data case. For this case, the decisive observation is: Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected.

Question 413

A developer is explaining the underlying technical behavior. A hospital keeps identifiable records in a controlled on-prem environment but wants burst analytics capacity on a public cloud service. Which principle is most relevant to this case?

  1. Local preprocessing reduces upstream bandwidth and can preserve operation during intermittent connectivity.
  2. Hybrid cloud combines private/local and public resources with explicit connectivity and governance.
  3. Build layers and image metadata can persist values even after later instructions remove files.
  4. Artifact immutability links tested software bytes to the released deployment.

Explanation

Correct Answer

B:

Hybrid cloud combines private/local and public resources with explicit connectivity and governance. This mechanism explains Hybrid cloud for on-prem regulated data. Action: Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries. Expected confirmation: Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected.

Incorrect Answers

A:

Local preprocessing reduces upstream bandwidth and can preserve operation during intermittent connectivity. This relates to Edge aggregation for bandwidth-heavy telemetry. In the current Hybrid cloud for on-prem regulated data case the operative principle is: Hybrid cloud combines private/local and public resources with explicit connectivity and governance.

C:

Build layers and image metadata can persist values even after later instructions remove files. This relates to Move secrets out of Docker layers. In the current Hybrid cloud for on-prem regulated data case the operative principle is: Hybrid cloud combines private/local and public resources with explicit connectivity and governance.

D:

Artifact immutability links tested software bytes to the released deployment. This relates to Artifact promotion instead of rebuild drift. In the current Hybrid cloud for on-prem regulated data case the operative principle is: Hybrid cloud combines private/local and public resources with explicit connectivity and governance.

Question 414

A team does not apply the necessary control or correction. A hospital keeps identifiable records in a controlled on-prem environment but wants burst analytics capacity on a public cloud service. Which resulting failure or risk is most directly relevant?

  1. Moving sensitive data wholesale into an uncontrolled public service can violate residency requirements.
  2. Secrets baked into an image can leak to anyone with registry access.
  3. Copying Python packages manually between hosts can produce inconsistent environments.
  4. Poor instruction ordering makes image builds slower and less reproducible.

Explanation

Correct Answer

A:

Moving sensitive data wholesale into an uncontrolled public service can violate residency requirements. This is the direct exposure for Hybrid cloud for on-prem regulated data. Mitigate with: Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries. Check success by: Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected.

Incorrect Answers

B:

Secrets baked into an image can leak to anyone with registry access. This risk occurs in the different Move secrets out of Docker layers situation. For the given Hybrid cloud for on-prem regulated data requirement, the directly relevant risk is: Moving sensitive data wholesale into an uncontrolled public service can violate residency requirements.

C:

Copying Python packages manually between hosts can produce inconsistent environments. This risk occurs in the different Container versus VM for reproducible app packaging situation. For the given Hybrid cloud for on-prem regulated data requirement, the directly relevant risk is: Moving sensitive data wholesale into an uncontrolled public service can violate residency requirements.

D:

Poor instruction ordering makes image builds slower and less reproducible. This risk occurs in the different Dockerfile layers and dependency caching situation. For the given Hybrid cloud for on-prem regulated data requirement, the directly relevant risk is: Moving sensitive data wholesale into an uncontrolled public service can violate residency requirements.

Question 415

The initial implementation fails or does not meet the expected behavior. A hospital keeps identifiable records in a controlled on-prem environment but wants burst analytics capacity on a public cloud service. Which investigation should be prioritized to diagnose the problem?

  1. Inspect data flow diagrams, transformation controls, network paths and access tests.
  2. Inspect query construction, parameter bindings and controlled injection tests.
  3. Inspect pipeline stage ordering, pass/fail status and artifact provenance.
  4. Compare CI artifact digest, registry manifest and deployed workload image reference.

Explanation

Correct Answer

A:

Inspect data flow diagrams, transformation controls, network paths and access tests. These are the relevant initial evidence checks for Hybrid cloud for on-prem regulated data. Intended action: Design a hybrid deployment with governed deidentified datasets, private connectivity and workload boundaries. Expected success condition: Only approved data elements reach cloud analytics and the on-prem authoritative database remains protected.

Incorrect Answers

B:

Inspect query construction, parameter bindings and controlled injection tests. This investigation primarily applies to Parameterized SQL blocks injection, not the current Hybrid cloud for on-prem regulated data problem. Prioritize: Inspect data flow diagrams, transformation controls, network paths and access tests.

C:

Inspect pipeline stage ordering, pass/fail status and artifact provenance. This investigation primarily applies to CI gates before application deploy, not the current Hybrid cloud for on-prem regulated data problem. Prioritize: Inspect data flow diagrams, transformation controls, network paths and access tests.

D:

Compare CI artifact digest, registry manifest and deployed workload image reference. This investigation primarily applies to Artifact promotion instead of rebuild drift, not the current Hybrid cloud for on-prem regulated data problem. Prioritize: Inspect data flow diagrams, transformation controls, network paths and access tests.

Question 416

A Cisco network automation team has this requirement: An agency's automation service operates on restricted networks with no approved public cloud egress and must remain centrally managed. Which design or implementation action best addresses it?

  1. Evaluate an approved bare-metal deployment with the required NIC driver, OS and isolation controls.
  2. Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls.
  3. Encode untrusted comment output for its HTML context and apply appropriate content-security controls.
  4. Use parameterized SQL queries rather than directly injecting the device name into statement text.

Explanation

Correct Answer

B:

Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls. Technical reason: Private cloud places managed compute under organization-controlled resource boundaries. Verify by: Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked. Deployment qualification: Private cloud still requires patching, capacity planning and availability engineering.

Incorrect Answers

A:

Evaluate an approved bare-metal deployment with the required NIC driver, OS and isolation controls. This instead targets the different case Bare metal for specialized packet processing. The described Private cloud isolation for internal services requirement specifically calls for Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls.

C:

Encode untrusted comment output for its HTML context and apply appropriate content-security controls. This instead targets the different case Escape output to prevent stored XSS. The described Private cloud isolation for internal services requirement specifically calls for Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls.

D:

Use parameterized SQL queries rather than directly injecting the device name into statement text. This instead targets the different case Parameterized SQL blocks injection. The described Private cloud isolation for internal services requirement specifically calls for Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls.

Question 417

After deployment, an engineer must prove the proposed solution works. An agency's automation service operates on restricted networks with no approved public cloud egress and must remain centrally managed. Which observed result is the most direct acceptance evidence?

  1. A hardware capability test succeeds and measured throughput meets the stated target.
  2. The literal markup is displayed as text and no JavaScript runs when the comment is viewed.
  3. A GET to localhost:9000 reaches the service listening on container port 8080.
  4. Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked.

Explanation

Correct Answer

D:

Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked. Recommended implementation: Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls. Why the observation matters: Private cloud places managed compute under organization-controlled resource boundaries.

Incorrect Answers

A:

A hardware capability test succeeds and measured throughput meets the stated target. That observation could confirm Bare metal for specialized packet processing, not the current Private cloud isolation for internal services case. For this case, the decisive observation is: Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked.

B:

The literal markup is displayed as text and no JavaScript runs when the comment is viewed. That observation could confirm Escape output to prevent stored XSS, not the current Private cloud isolation for internal services case. For this case, the decisive observation is: Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked.

C:

A GET to localhost:9000 reaches the service listening on container port 8080. That observation could confirm Map container host port correctly, not the current Private cloud isolation for internal services case. For this case, the decisive observation is: Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked.

Question 418

A developer is explaining the underlying technical behavior. An agency's automation service operates on restricted networks with no approved public cloud egress and must remain centrally managed. Which principle is most relevant to this case?

  1. Edge compute places processing close to data sources to reduce round-trip dependency on distant regions.
  2. Private cloud places managed compute under organization-controlled resource boundaries.
  3. DevOps emphasizes shared ownership, continuous feedback and improving the delivery system.
  4. SQL parameters separate data values from executable query structure.

Explanation

Correct Answer

B:

Private cloud places managed compute under organization-controlled resource boundaries. This mechanism explains Private cloud isolation for internal services. Action: Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls. Expected confirmation: Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked.

Incorrect Answers

A:

Edge compute places processing close to data sources to reduce round-trip dependency on distant regions. This relates to Edge inference for camera safety alerts. In the current Private cloud isolation for internal services case the operative principle is: Private cloud places managed compute under organization-controlled resource boundaries.

C:

DevOps emphasizes shared ownership, continuous feedback and improving the delivery system. This relates to Blameless incident review and feedback. In the current Private cloud isolation for internal services case the operative principle is: Private cloud places managed compute under organization-controlled resource boundaries.

D:

SQL parameters separate data values from executable query structure. This relates to Parameterized SQL blocks injection. In the current Private cloud isolation for internal services case the operative principle is: Private cloud places managed compute under organization-controlled resource boundaries.

Question 419

A team does not apply the necessary control or correction. An agency's automation service operates on restricted networks with no approved public cloud egress and must remain centrally managed. Which resulting failure or risk is most directly relevant?

  1. Testing latest can silently exercise different bytes than the release candidate.
  2. String interpolation can turn user input into unauthorized SQL logic.
  3. Choosing public cloud merely for convenience can conflict with the required isolation.
  4. A local shell variable not exported will be unavailable to child executables.

Explanation

Correct Answer

C:

Choosing public cloud merely for convenience can conflict with the required isolation. This is the direct exposure for Private cloud isolation for internal services. Mitigate with: Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls. Check success by: Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked.

Incorrect Answers

A:

Testing latest can silently exercise different bytes than the release candidate. This risk occurs in the different Run version-pinned image locally situation. For the given Private cloud isolation for internal services requirement, the directly relevant risk is: Choosing public cloud merely for convenience can conflict with the required isolation.

B:

String interpolation can turn user input into unauthorized SQL logic. This risk occurs in the different Parameterized SQL blocks injection situation. For the given Private cloud isolation for internal services requirement, the directly relevant risk is: Choosing public cloud merely for convenience can conflict with the required isolation.

D:

A local shell variable not exported will be unavailable to child executables. This risk occurs in the different Export environment variable for child process situation. For the given Private cloud isolation for internal services requirement, the directly relevant risk is: Choosing public cloud merely for convenience can conflict with the required isolation.

Question 420

The initial implementation fails or does not meet the expected behavior. An agency's automation service operates on restricted networks with no approved public cloud egress and must remain centrally managed. Which investigation should be prioritized to diagnose the problem?

  1. Inspect deployment frequency, canary metrics and rollback events.
  2. Inspect deployment inventory, egress policies and platform management access.
  3. Inspect pipeline stage ordering, pass/fail status and artifact provenance.
  4. Compare CI artifact digest, registry manifest and deployed workload image reference.

Explanation

Correct Answer

B:

Inspect deployment inventory, egress policies and platform management access. These are the relevant initial evidence checks for Private cloud isolation for internal services. Intended action: Deploy service components to an authorized private-cloud or on-prem platform with internal identity and network controls. Expected success condition: Deployment succeeds entirely within approved private boundaries and external Internet access remains blocked.

Incorrect Answers

A:

Inspect deployment frequency, canary metrics and rollback events. This investigation primarily applies to Small safe releases with observability, not the current Private cloud isolation for internal services problem. Prioritize: Inspect deployment inventory, egress policies and platform management access.

C:

Inspect pipeline stage ordering, pass/fail status and artifact provenance. This investigation primarily applies to CI gates before application deploy, not the current Private cloud isolation for internal services problem. Prioritize: Inspect deployment inventory, egress policies and platform management access.

D:

Compare CI artifact digest, registry manifest and deployed workload image reference. This investigation primarily applies to Artifact promotion instead of rebuild drift, not the current Private cloud isolation for internal services problem. Prioritize: Inspect deployment inventory, egress policies and platform management access.

DevNet Associate (DEVASC) (200-901) Practice Tests

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