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CompTIA CV0-004 Practice Test 1

Question 1

The security administrator reviews a case where a logistics company must retain control of its guest operating system and network firewall while migrating an old application into cloud-hosted virtual machines. What should the team change first?

  1. Select an IaaS virtual machine deployment and continue to patch and harden the guest OS.
  2. Choose a suitable SaaS service with verified data governance and identity controls.
  3. Use event-triggered functions with appropriate timeout and concurrency limits.
  4. Deploy the API to a managed application platform that supports its runtime.

Explanation

Correct Answer

A:

IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications. The change should be verified, not just applied: The migrated VM runs the required OS build and its patch ownership is documented.

Incorrect Answers

B:

That approach would help when a small HR department wants an off-the-shelf payroll portal without managing application code, servers or databases. In this case, iaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications.

C:

FaaS starts code for events and bills according to usage while still requiring secure triggers and resource limits. The relevant cloud response here is: Select an IaaS virtual machine deployment and continue to patch and harden the guest OS.

D:

PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration. The relevant cloud response here is: Select an IaaS virtual machine deployment and continue to patch and harden the guest OS.

Question 2

A logistics company must retain control of its guest operating system and network firewall while migrating an old application into cloud-hosted virtual machines. What underlying cloud behavior should the engineer recognize?

  1. SaaS delivers the application as an operated service but the customer still governs identities, access and uploaded information.
  2. IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications.
  3. PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration.
  4. FaaS starts code for events and bills according to usage while still requiring secure triggers and resource limits.

Explanation

Correct Answer

B:

The evidence of success is: The migrated VM runs the required OS build and its patch ownership is documented.

Incorrect Answers

A:

That approach would help when a small HR department wants an off-the-shelf payroll portal without managing application code, servers or databases. Check the difference through: Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

C:

The alternative is aimed at a different condition: A development team needs managed runtime patching and autoscaling for its web API without maintaining web server virtual machines. IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications.

D:

The proposed measure serves a related cloud task, but the present symptom calls for a more specific response. IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications. Check the difference through: Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

Question 3

During postchange validation at a global distribution company, a logistics company must retain control of its guest operating system and network firewall while migrating an old application into cloud-hosted virtual machines. What outcome would prove the intended safeguard works?

  1. A test file starts one authorized function and completes within its execution deadline.
  2. The API scales under load while the platform applies supported runtime maintenance.
  3. The migrated VM runs the required OS build and its patch ownership is documented.
  4. HR users can complete authorized payroll tasks without operating application infrastructure.

Explanation

Correct Answer

C:

The migrated VM runs the required OS build and its patch ownership is documented. This proves the service behavior rather than just showing a changed configuration. IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications.

Incorrect Answers

A:

That approach would help when an order processor runs short tasks only when a file arrives and the firm wants no idle application servers. The required acceptance result is: The migrated VM runs the required OS build and its patch ownership is documented.

B:

IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications. The alternative is aimed at a different condition: A development team needs managed runtime patching and autoscaling for its web API without maintaining web server virtual machines.

D:

IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications. The proposed measure serves a related cloud task, but the present symptom calls for a more specific response.

Question 4

A review identifies this symptom: a logistics company must retain control of its guest operating system and network firewall while migrating an old application into cloud-hosted virtual machines. Which read-only investigation is most useful?

  1. Review SaaS feature fit, tenant controls, data export and contractual ownership.
  2. Check supported runtimes, platform-managed patch scope and ingress requirements.
  3. Inspect event frequency, execution duration, cold-start tolerance and function limits.
  4. Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

Explanation

Correct Answer

D:

Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix. This distinguishes the relevant dependency before changing cloud resources. IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications.

Incorrect Answers

A:

That approach would help when a small HR department wants an off-the-shelf payroll portal without managing application code, servers or databases. Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

B:

Check supported runtimes, platform-managed patch scope and ingress requirements. The relevant cloud response here is: Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

C:

Inspect event frequency, execution duration, cold-start tolerance and function limits. The relevant cloud response here is: Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

Question 5

The release owner must handle this condition without guessing: a logistics company must retain control of its guest operating system and network firewall while migrating an old application into cloud-hosted virtual machines. Which sequence is best?

  1. Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix; then select an IaaS virtual machine deployment and continue to patch and harden the guest OS.
  2. Inspect event frequency, execution duration, cold-start tolerance and function limits; then use event-triggered functions with appropriate timeout and concurrency limits.
  3. Check supported runtimes, platform-managed patch scope and ingress requirements; then deploy the API to a managed application platform that supports its runtime.
  4. Review SaaS feature fit, tenant controls, data export and contractual ownership; then choose a suitable SaaS service with verified data governance and identity controls.

Explanation

Correct Answer

A:

IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications. Success is measured when the migrated VM runs the required OS build and its patch ownership is documented.

Incorrect Answers

B:

That approach would help when an order processor runs short tasks only when a file arrives and the firm wants no idle application servers. Inspect and correct the present issue using: Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

C:

The alternative is aimed at a different condition: A development team needs managed runtime patching and autoscaling for its web API without maintaining web server virtual machines. Inspect and correct the present issue using: Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

D:

The proposed measure serves a related cloud task, but the present symptom calls for a more specific response. Inspect and correct the present issue using: Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

Question 6

The SRE reviews a case where a development team needs managed runtime patching and autoscaling for its web API without maintaining web server virtual machines. What should the team change first?

  1. Evaluate a document database with suitable partitioning and indexing for its access paths.
  2. Deploy the API to a managed application platform that supports its runtime.
  3. Select an IaaS virtual machine deployment and continue to patch and harden the guest OS.
  4. Choose a suitable SaaS service with verified data governance and identity controls.

Explanation

Correct Answer

B:

PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration. The change should be verified, not just applied: The API scales under load while the platform applies supported runtime maintenance.

Incorrect Answers

A:

That approach would help when a telemetry collector receives evolving device documents with variable fields and no relational join requirement. In this case, paaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration.

C:

IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications. The relevant cloud response here is: Deploy the API to a managed application platform that supports its runtime.

D:

SaaS delivers the application as an operated service but the customer still governs identities, access and uploaded information. The relevant cloud response here is: Deploy the API to a managed application platform that supports its runtime.

Question 7

A development team needs managed runtime patching and autoscaling for its web API without maintaining web server virtual machines. What underlying cloud behavior should the engineer recognize?

  1. RTO measures acceptable restoration time and RPO measures acceptable data-loss window, requiring distinct recovery controls.
  2. SaaS delivers the application as an operated service but the customer still governs identities, access and uploaded information.
  3. PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration.
  4. IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications.

Explanation

Correct Answer

C:

The evidence of success is: The API scales under load while the platform applies supported runtime maintenance.

Incorrect Answers

A:

That approach would help when a payment platform needs service restored within one hour after a full region outage and can tolerate at most five minutes of lost transactions. Check the difference through: Check supported runtimes, platform-managed patch scope and ingress requirements.

B:

The alternative is aimed at a different condition: A small HR department wants an off-the-shelf payroll portal without managing application code, servers or databases. PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration.

D:

The proposed measure serves a related cloud task, but the present symptom calls for a more specific response. PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration. Check the difference through: Check supported runtimes, platform-managed patch scope and ingress requirements.

Question 8

During postchange validation at a regional health provider, a development team needs managed runtime patching and autoscaling for its web API without maintaining web server virtual machines. What outcome would prove the intended safeguard works?

  1. A simulated node failure triggers replacement of the healthy replica count within the service objective.
  2. The migrated VM runs the required OS build and its patch ownership is documented.
  3. A test file starts one authorized function and completes within its execution deadline.
  4. The API scales under load while the platform applies supported runtime maintenance.

Explanation

Correct Answer

D:

The API scales under load while the platform applies supported runtime maintenance. This proves the service behavior rather than just showing a changed configuration. PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration.

Incorrect Answers

A:

That approach would help when an operations team manually restarts failed containers after host outages even though a cluster scheduler is available. The required acceptance result is: The API scales under load while the platform applies supported runtime maintenance.

B:

PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration. The alternative is aimed at a different condition: A logistics company must retain control of its guest operating system and network firewall while migrating an old application into cloud-hosted virtual machines.

C:

PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration. The proposed measure serves a related cloud task, but the present symptom calls for a more specific response.

Question 9

A review identifies this symptom: a development team needs managed runtime patching and autoscaling for its web API without maintaining web server virtual machines. Which read-only investigation is most useful?

  1. Check supported runtimes, platform-managed patch scope and ingress requirements.
  2. Review tags, chargeback reports, peak CPU/memory use and rightsizing headroom.
  3. Inspect event frequency, execution duration, cold-start tolerance and function limits.
  4. Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix.

Explanation

Correct Answer

A:

Check supported runtimes, platform-managed patch scope and ingress requirements. This distinguishes the relevant dependency before changing cloud resources. PaaS shifts much runtime and infrastructure maintenance to the provider while developers manage application code and configuration.

Incorrect Answers

B:

That approach would help when finance cannot assign idle cloud spending to teams because resources have no owner tags and are oversized. Check supported runtimes, platform-managed patch scope and ingress requirements.

C:

Inspect event frequency, execution duration, cold-start tolerance and function limits. The relevant cloud response here is: Check supported runtimes, platform-managed patch scope and ingress requirements.

D:

Compare required guest privileges, network dependencies and the provider's shared-responsibility matrix. The relevant cloud response here is: Check supported runtimes, platform-managed patch scope and ingress requirements.

Question 10

At a regional health provider, a small HR department wants an off-the-shelf payroll portal without managing application code, servers or databases. Which response most directly addresses this specific cloud challenge?

  1. Use event-triggered functions with appropriate timeout and concurrency limits.
  2. Choose a suitable SaaS service with verified data governance and identity controls.
  3. Attach a suitable block volume with required IOPS and availability characteristics.
  4. Select an IaaS virtual machine deployment and continue to patch and harden the guest OS.

Explanation

Correct Answer

B:

SaaS delivers the application as an operated service but the customer still governs identities, access and uploaded information. The change should be verified, not just applied: HR users can complete authorized payroll tasks without operating application infrastructure.

Incorrect Answers

A:

That approach would help when an order processor runs short tasks only when a file arrives and the firm wants no idle application servers. In this case, saaS delivers the application as an operated service but the customer still governs identities, access and uploaded information.

C:

Block storage exposes addressable volumes suited to file systems and databases but may require host-level formatting and backup. The relevant cloud response here is: Choose a suitable SaaS service with verified data governance and identity controls.

D:

IaaS supplies compute and networking infrastructure while customers still manage their installed operating systems and applications. The relevant cloud response here is: Choose a suitable SaaS service with verified data governance and identity controls.

CompTIA Cloud+ (CV0-004) Practice Tests