ECCouncil 312-49v11 (Computer Hacking Forensic Investigator) Practice Test 45

Question 440

A suspicious cloud administrative change followed a login from an unfamiliar device. Which source records the authentication event?

  1. Cloud snapshot consistency
  2. AWS S3 object versioning
  3. Azure Activity Log
  4. Azure Entra sign-in logs

Explanation

Correct Answer

D:

Microsoft Entra sign-in logs capture authentication context and outcomes under supported settings and retention. Administrative change records must be correlated separately.

Incorrect Answers

A:

For a separate investigation of consistency of a running workload snapshot, a storage snapshot may be crash-consistent rather than application-consistent unless coordinated with the workload; that is not the determination of authentication to a cloud identity platform in the stem. Record timing and consistency guarantees before drawing data-integrity conclusions; the evidence still must speak to authentication to a cloud identity platform.

B:

With authentication to a cloud identity platform as the investigative issue, S3 versioning can preserve distinct object versions rather than simply replacing a current object, subject to lifecycle and delete behavior; the result would concern historical versions of altered cloud objects. It does not retroactively recover never-versioned objects; this would not resolve authentication to a cloud identity platform.

C:

For questions about Azure resource management operations, Azure Activity Log covers subscription control-plane operations such as resource deletion; that differs from authentication to a cloud identity platform. Guest OS and service data-plane actions generally require other sources; it provides no direct answer to authentication to a cloud identity platform.

Question 441

A storage account's data was accessed through API calls and the team needs request-level storage operations. Which source is relevant?

  1. AWS CloudTrail events
  2. Azure Entra sign-in logs
  3. Azure Activity Log
  4. Azure Storage diagnostic logs

Explanation

Correct Answer

D:

Azure Storage resource logs can capture data-plane request details when diagnostic settings and destinations are configured. The subscription Activity Log does not fully replace them.

Incorrect Answers

A:

The required finding is about data-plane access to cloud storage objects; CloudTrail records supported AWS API activity, including many management events, with retention and delivery dependent on setup; this addresses the separate concern of AWS API activity associated with identities. Data events may need explicit configuration; it does not by itself answer data-plane access to cloud storage objects.

B:

Although the case asks about data-plane access to cloud storage objects, Microsoft Entra sign-in logs capture authentication context and outcomes under supported settings and retention; the action instead concerns authentication to a cloud identity platform. Administrative change records must be correlated separately; it does not establish data-plane access to cloud storage objects.

C:

For an analysis centered on Azure resource management operations, Azure Activity Log covers subscription control-plane operations such as resource deletion; the present need is data-plane access to cloud storage objects. Guest OS and service data-plane actions generally require other sources; a different finding about data-plane access to cloud storage objects is still needed.

Question 442

Investigators need to identify calls against Google Cloud projects and resources. Which log family should be reviewed?

  1. Google Cloud Audit Logs
  2. Cloud snapshot consistency
  3. Shared-responsibility evidence
  4. Azure Entra sign-in logs

Explanation

Correct Answer

A:

Google Cloud Audit Logs capture categories of administrative and, where enabled or supported, data access events. Availability and retention differ by log type and configuration.

Incorrect Answers

B:

The objective here is audited Google Cloud resource actions; a storage snapshot may be crash-consistent rather than application-consistent unless coordinated with the workload; the option would instead inform consistency of a running workload snapshot. Record timing and consistency guarantees before drawing data-integrity conclusions; it is not direct evidence of audited Google Cloud resource actions.

C:

For a separate investigation of provider versus customer control over forensic sources, shared responsibility assigns different control and evidence domains to provider and customer; that is not the determination of audited Google Cloud resource actions in the stem. Investigators may need provider assistance or exported audit data for infrastructure layers; the evidence still must speak to audited Google Cloud resource actions.

D:

With audited Google Cloud resource actions as the investigative issue, Microsoft Entra sign-in logs capture authentication context and outcomes under supported settings and retention; the result would concern authentication to a cloud identity platform. Administrative change records must be correlated separately; this would not resolve audited Google Cloud resource actions.

Question 443

A running cloud database disk is snapshotted without application quiescence and the team assumes it captures a transaction-consistent state. Which limit matters?

  1. Ephemeral cloud instance
  2. Cloud snapshot consistency
  3. AWS S3 object versioning
  4. Google Cloud Audit Logs

Explanation

Correct Answer

B:

A storage snapshot may be crash-consistent rather than application-consistent unless coordinated with the workload. Record timing and consistency guarantees before drawing data-integrity conclusions.

Incorrect Answers

A:

In work concerning preservation before ephemeral compute is destroyed, ephemeral compute can lose instance-local state at termination; authorized snapshots and live telemetry should be prioritized; the operation would not resolve consistency of a running workload snapshot. Retained control-plane records alone may not capture filesystem evidence; the distinction leaves consistency of a running workload snapshot unsettled.

C:

The required finding is about consistency of a running workload snapshot; S3 versioning can preserve distinct object versions rather than simply replacing a current object, subject to lifecycle and delete behavior; this addresses the separate concern of historical versions of altered cloud objects. It does not retroactively recover never-versioned objects; it does not by itself answer consistency of a running workload snapshot.

D:

Although the case asks about consistency of a running workload snapshot, Google Cloud Audit Logs capture categories of administrative and, where enabled or supported, data access events; the action instead concerns audited Google Cloud resource actions. Availability and retention differ by log type and configuration; it does not establish consistency of a running workload snapshot.

Question 444

A SaaS tenant cannot access the provider's underlying hypervisor logs during an intrusion investigation. Which model explains the limitation?

  1. Azure Entra sign-in logs
  2. AWS VPC Flow Logs
  3. Shared-responsibility evidence
  4. Azure Activity Log

Explanation

Correct Answer

C:

Shared responsibility assigns different control and evidence domains to provider and customer. Investigators may need provider assistance or exported audit data for infrastructure layers.

Incorrect Answers

A:

In an inquiry concerning authentication to a cloud identity platform, Microsoft Entra sign-in logs capture authentication context and outcomes under supported settings and retention; the scope does not extend to provider versus customer control over forensic sources. Administrative change records must be correlated separately; that issue cannot settle provider versus customer control over forensic sources.

B:

Even though the scenario needs provider versus customer control over forensic sources, VPC Flow Logs record IP traffic metadata for selected network interfaces, subnets or VPCs, not packet payloads; the action relates to network conversations associated with AWS VPC resources. Aggregation can affect timing and fidelity; this remains insufficient for provider versus customer control over forensic sources.

D:

The objective here is provider versus customer control over forensic sources; Azure Activity Log covers subscription control-plane operations such as resource deletion; the option would instead inform Azure resource management operations. Guest OS and service data-plane actions generally require other sources; it is not direct evidence of provider versus customer control over forensic sources.

Question 445

A malicious cloud workload is scheduled for autoscaling termination and its local disk may disappear. Which investigation concern is most urgent?

  1. AWS S3 object versioning
  2. Azure Activity Log
  3. Cloud snapshot consistency
  4. Ephemeral cloud instance

Explanation

Correct Answer

D:

Ephemeral compute can lose instance-local state at termination; authorized snapshots and live telemetry should be prioritized. Retained control-plane records alone may not capture filesystem evidence.

Incorrect Answers

A:

The stem asks about preservation before ephemeral compute is destroyed; S3 versioning can preserve distinct object versions rather than simply replacing a current object, subject to lifecycle and delete behavior; the described operation is used for historical versions of altered cloud objects. It does not retroactively recover never-versioned objects; a determination about preservation before ephemeral compute is destroyed requires other support.

B:

Instead of a method addressing preservation before ephemeral compute is destroyed, Azure Activity Log covers subscription control-plane operations such as resource deletion; this one concerns Azure resource management operations. Guest OS and service data-plane actions generally require other sources; it cannot independently determine preservation before ephemeral compute is destroyed.

C:

In work concerning consistency of a running workload snapshot, a storage snapshot may be crash-consistent rather than application-consistent unless coordinated with the workload; the operation would not resolve preservation before ephemeral compute is destroyed. Record timing and consistency guarantees before drawing data-integrity conclusions; the distinction leaves preservation before ephemeral compute is destroyed unsettled.

Question 446

An authorized Android device is unlocked with debugging enabled, and the team needs accessible filesystem information through a host interface. Which tool pathway may assist?

  1. Encrypted iOS backup
  2. Android ADB acquisition
  3. SIM card ICCID
  4. Android app SQLite database

Explanation

Correct Answer

B:

Android Debug Bridge can query device state and access permitted files, depending on authorization and privileges. It does not automatically bypass encryption or app sandbox controls.

Incorrect Answers

A:

When the investigative task is user data recoverable from an iOS backup, iOS backups may contain app and user data depending on backup settings and encryption; they do not equal full physical storage; that differs from the question about authorized Android device inspection through debugging interface. Backup passwords and provenance may be necessary; that leaves authorized Android device inspection through debugging interface unresolved.

C:

In an inquiry concerning identity of the SIM card itself, ICCID identifies the SIM or integrated circuit card, whereas IMEI normally identifies cellular equipment; the scope does not extend to authorized Android device inspection through debugging interface. Carrier and provisioning changes can complicate subscriber attribution; that issue cannot settle authorized Android device inspection through debugging interface.

D:

Even though the scenario needs authorized Android device inspection through debugging interface, SQLite databases and associated WAL/journal files can contain application records and pending changes; the action relates to application messages in a structured local database. Database format and app encryption may limit recoverability; this remains insufficient for authorized Android device inspection through debugging interface.

Question 447

A phone cannot be physically imaged but an authorized encrypted computer backup is available. Which evidence source can still be analyzed?

  1. Android app SQLite database
  2. Android ADB acquisition
  3. Encrypted iOS backup
  4. IoT MQTT traffic

Explanation

Correct Answer

C:

iOS backups may contain app and user data depending on backup settings and encryption; they do not equal full physical storage. Backup passwords and provenance may be necessary.

Incorrect Answers

A:

With user data recoverable from an iOS backup as the investigative issue, SQLite databases and associated WAL/journal files can contain application records and pending changes; the result would concern application messages in a structured local database. Database format and app encryption may limit recoverability; this would not resolve user data recoverable from an iOS backup.

B:

For questions about authorized Android device inspection through debugging interface, Android Debug Bridge can query device state and access permitted files, depending on authorization and privileges; that differs from user data recoverable from an iOS backup. It does not automatically bypass encryption or app sandbox controls; it provides no direct answer to user data recoverable from an iOS backup.

D:

Instead of a method addressing user data recoverable from an iOS backup, MQTT uses a publish/subscribe broker model with topics and client sessions, often over TCP and optionally TLS; this one concerns publish-subscribe messages from connected devices. Topic metadata can explain sensor communications when captured; it cannot independently determine user data recoverable from an iOS backup.

Question 448

An investigator wants a stable identifier for a physical SIM card, distinct from the handset hardware identity. Which identifier is relevant?

  1. Android ADB acquisition
  2. Android app SQLite database
  3. IoT MQTT traffic
  4. SIM card ICCID

Explanation

Correct Answer

D:

ICCID identifies the SIM or integrated circuit card, whereas IMEI normally identifies cellular equipment. Carrier and provisioning changes can complicate subscriber attribution.

Incorrect Answers

A:

Although the case asks about identity of the SIM card itself, Android Debug Bridge can query device state and access permitted files, depending on authorization and privileges; the action instead concerns authorized Android device inspection through debugging interface. It does not automatically bypass encryption or app sandbox controls; it does not establish identity of the SIM card itself.

B:

For an analysis centered on application messages in a structured local database, SQLite databases and associated WAL/journal files can contain application records and pending changes; the present need is identity of the SIM card itself. Database format and app encryption may limit recoverability; a different finding about identity of the SIM card itself is still needed.

C:

When the investigative task is publish-subscribe messages from connected devices, MQTT uses a publish/subscribe broker model with topics and client sessions, often over TCP and optionally TLS; that differs from the question about identity of the SIM card itself. Topic metadata can explain sensor communications when captured; that leaves identity of the SIM card itself unresolved.

Question 449

An Android messaging app stores conversations in a local relational file. Which artifact type should be parsed to recover records and deleted remnants?

  1. Encrypted iOS backup
  2. Android app SQLite database
  3. IoT MQTT traffic
  4. SIM card ICCID

Explanation

Correct Answer

B:

SQLite databases and associated WAL/journal files can contain application records and pending changes. Database format and app encryption may limit recoverability.

Incorrect Answers

A:

The objective here is application messages in a structured local database; iOS backups may contain app and user data depending on backup settings and encryption; they do not equal full physical storage; the option would instead inform user data recoverable from an iOS backup. Backup passwords and provenance may be necessary; it is not direct evidence of application messages in a structured local database.

C:

With application messages in a structured local database as the investigative issue, MQTT uses a publish/subscribe broker model with topics and client sessions, often over TCP and optionally TLS; the result would concern publish-subscribe messages from connected devices. Topic metadata can explain sensor communications when captured; this would not resolve application messages in a structured local database.

D:

For questions about identity of the SIM card itself, ICCID identifies the SIM or integrated circuit card, whereas IMEI normally identifies cellular equipment; that differs from application messages in a structured local database. Carrier and provisioning changes can complicate subscriber attribution; it provides no direct answer to application messages in a structured local database.

Question 450

A smart-building sensor publishes measurements to a broker on named topics, and investigators need device-message context. Which protocol should be examined?

  1. Android app SQLite database
  2. IoT MQTT traffic
  3. SIM card ICCID
  4. Android ADB acquisition

Explanation

Correct Answer

B:

MQTT uses a publish/subscribe broker model with topics and client sessions, often over TCP and optionally TLS. Topic metadata can explain sensor communications when captured.

Incorrect Answers

A:

A case involving application messages in a structured local database might use this approach: SQLite databases and associated WAL/journal files can contain application records and pending changes; the required result here is publish-subscribe messages from connected devices. Database format and app encryption may limit recoverability; it cannot replace proof about publish-subscribe messages from connected devices.

C:

Although the case asks about publish-subscribe messages from connected devices, ICCID identifies the SIM or integrated circuit card, whereas IMEI normally identifies cellular equipment; the action instead concerns identity of the SIM card itself. Carrier and provisioning changes can complicate subscriber attribution; it does not establish publish-subscribe messages from connected devices.

D:

For an analysis centered on authorized Android device inspection through debugging interface, Android Debug Bridge can query device state and access permitted files, depending on authorization and privileges; the present need is publish-subscribe messages from connected devices. It does not automatically bypass encryption or app sandbox controls; a different finding about publish-subscribe messages from connected devices is still needed.

Computer Hacking Forensic Investigator (312-49v11) Practice Tests