ACFE CFE - Investigation (Certified Fraud Examiner - Investigation) Practice Test 51

Question 500

A model suggests an employee may be high risk on a sparse dataset. Which investigative method is best suited to communicate uncertainty around predictive results?

  1. Label matches as leads and document possible legitimate explanations
  2. Separate alert exposure from verified unauthorized disbursements
  3. State date and entity coverage in the analysis
  4. Explain confidence limits, validation, and data coverage
  5. Retain source extracts, scripts, filters, and reconciliation notes

Explanation

Correct Answer

D:

Prediction does not establish misconduct. Stating uncertainty prevents recipients from treating an approximate score as a definitive fact.

Incorrect Answers

A:

A shared account warrants follow-up but may reflect family ties or data-entry mistakes; it describes an action suited to explain why matching bank accounts are not proof of collusion. Anomaly detection is not adjudication; the required investigative decision is to communicate uncertainty around predictive results.

B:

A flagged amount may be legitimate, reversed, or uncollected; this distinction matters when investigators must distinguish flagged transactions from established loss. Loss estimation needs transaction-level support and offsets; this case asks for a means to communicate uncertainty around predictive results instead.

C:

Missing records constrain both positive and negative conclusions; this is a sensible safeguard where the issue is to report that a dataset is not complete. The report should not imply a universe larger than the data examined; the required investigative decision is to communicate uncertainty around predictive results.

E:

A reviewer must be able to trace how the number was calculated; that is why it can help to reproduce a material numerical result for review. Reproducibility helps detect duplicate rows and omitted adjustments; the immediate evidentiary task here is to communicate uncertainty around predictive results.

Question 501

A suspected invoice change could have originated in the ERP, shared drive, or email system. Which procedure would best allow investigators to identify relevant systems before imaging?

  1. Engage trained personnel with compatible validated tools
  2. Limit acquisition to the permitted devices, accounts, and time period
  3. Map potential data sources and custodians before collection
  4. Review administrative access, export capabilities, and provider retention

Explanation

Correct Answer

C:

A collection plan reduces omissions and irrelevant seizures. It should identify authority, retention, and expected artifacts for each source.

Incorrect Answers

A:

Improvised access can alter data or destroy volatile artifacts; this is primarily relevant when the objective is to select a qualified forensic collector for an unfamiliar device. Specialists can assess acquisition options and limitations; it would not by itself meet the stated need to identify relevant systems before imaging.

B:

Technical ability is not legal authority; this responds to a different operational need to avoid exceeding the authorized forensic scope. Get a revised authorization before seeking unrelated personal information, even when technically accessible; it would not by itself meet the stated need to identify relevant systems before imaging.

D:

Cloud evidence may require provider cooperation or specialized exports; this is a sensible safeguard where the issue is to account for cloud-provider control during evidence collection. Tenant permissions do not expose every infrastructure log; the record instead calls for an action that would identify relevant systems before imaging.

Question 502

An examiner authorized to examine a business laptop proposes searching all relatives' personal accounts. How should the examiner proceed to avoid exceeding the authorized forensic scope?

  1. Limit acquisition to the permitted devices, accounts, and time period
  2. Map potential data sources and custodians before collection
  3. Engage trained personnel with compatible validated tools
  4. Coordinate incident response and evidence preservation before destructive remediation

Explanation

Correct Answer

A:

Technical ability is not legal authority. Scope control protects privacy and the defensibility of findings. Get a revised authorization before seeking unrelated personal information, even when technically accessible.

Incorrect Answers

B:

A collection plan reduces omissions and irrelevant seizures; it protects the separate goal to identify relevant systems before imaging. It should identify authority, retention, and expected artifacts for each source; it would not by itself meet the stated need to avoid exceeding the authorized forensic scope.

C:

Improvised access can alter data or destroy volatile artifacts; it can be useful for efforts to select a qualified forensic collector for an unfamiliar device. Specialists can assess acquisition options and limitations; the immediate evidentiary task here is to avoid exceeding the authorized forensic scope.

D:

Containment and forensic requirements should be balanced; its purpose in an investigation is to plan safe handling of an active malware-affected device. Unplanned cleanup may erase artifacts needed to establish origin and impact; the record instead calls for an action that would avoid exceeding the authorized forensic scope.

Question 503

The team encounters an encrypted mobile phone with unknown management controls. Which response most directly enables the examiner to select a qualified forensic collector for an unfamiliar device?

  1. Review administrative access, export capabilities, and provider retention
  2. Limit acquisition to the permitted devices, accounts, and time period
  3. Diagram potential data sources and custodians before collection
  4. Engage trained personnel with compatible validated tools

Explanation

Correct Answer

D:

Improvised access can alter data or destroy volatile artifacts. Specialists can assess acquisition options and limitations.

Incorrect Answers

A:

Cloud evidence may require provider cooperation or specialized exports; it describes an action suited to account for cloud-provider control during evidence collection. Tenant permissions do not expose every infrastructure log; that would leave unresolved the present need to select a qualified forensic collector for an unfamiliar device.

B:

Technical ability is not legal authority; it protects the separate goal to avoid exceeding the authorized forensic scope. Get a revised authorization before seeking unrelated personal information, even when technically accessible; the current question is about how to select a qualified forensic collector for an unfamiliar device.

C:

A collection plan reduces omissions and irrelevant seizures; this concerns the distinct task of deciding how to identify relevant systems before imaging. It should identify authority, retention, and expected artifacts for each source; that would leave unresolved the present need to select a qualified forensic collector for an unfamiliar device.

Question 504

An employee machine displays a ransom note and may still communicate with an external server. Which action addresses the primary investigative need to plan safe handling of an active malware-affected device?

  1. Assess volatility, operational harm, and authorized response before shutdown
  2. Map potential data sources and custodians before collection
  3. Engage trained personnel with compatible validated tools
  4. Limit acquisition to the permitted devices, accounts, and time period
  5. Coordinate incident response and evidence preservation before destructive remediation
  6. Review administrative access, export capabilities, and provider retention

Explanation

Correct Answer

E:

Containment and forensic requirements should be balanced. Unplanned cleanup may erase artifacts needed to establish origin and impact.

Incorrect Answers

A:

Abrupt power loss destroys memory and active-state evidence; that is why it can help to decide whether to shut down an active suspect server. A risk-based plan balances service continuity and preservation; it would not by itself meet the stated need to plan safe handling of an active malware-affected device.

B:

A collection plan reduces omissions and irrelevant seizures; that principle applies when the team needs to identify relevant systems before imaging. It should identify authority, retention, and expected artifacts for each source; that would leave unresolved the present need to plan safe handling of an active malware-affected device.

C:

Improvised access can alter data or destroy volatile artifacts; this addresses a different question: how to select a qualified forensic collector for an unfamiliar device. Specialists can assess acquisition options and limitations; it does not settle how to plan safe handling of an active malware-affected device in this situation.

D:

Technical ability is not legal authority; this concerns the distinct task of deciding how to avoid exceeding the authorized forensic scope. Get a revised authorization before seeking unrelated personal information, even when technically accessible; the record instead calls for an action that would plan safe handling of an active malware-affected device.

F:

Cloud evidence may require provider cooperation or specialized exports; its purpose in an investigation is to account for cloud-provider control during evidence collection. Tenant permissions do not expose every infrastructure log; this case asks for a means to plan safe handling of an active malware-affected device instead.

Question 505

The target data are in a hosted application for which the company has only tenant-level access. Which option best supports the objective to account for cloud-provider control during evidence collection?

  1. Coordinate incident response and evidence preservation before destructive remediation
  2. Limit acquisition to the permitted devices, accounts, and time period
  3. Review administrative access, export capabilities, and provider retention
  4. Map potential data sources and custodians before collection

Explanation

Correct Answer

C:

Cloud evidence may require provider cooperation or specialized exports. Tenant permissions do not expose every infrastructure log.

Incorrect Answers

A:

Containment and forensic requirements should be balanced; this distinction matters when investigators must plan safe handling of an active malware-affected device. Unplanned cleanup may erase artifacts needed to establish origin and impact; the investigative step being tested here is how to account for cloud-provider control during evidence collection.

B:

Technical ability is not legal authority; that principle applies when the team needs to avoid exceeding the authorized forensic scope. Get a revised authorization before seeking unrelated personal information, even when technically accessible; the facts presented call first for a way to account for cloud-provider control during evidence collection.

D:

A collection plan reduces omissions and irrelevant seizures; this is primarily relevant when the objective is to identify relevant systems before imaging. It should identify authority, retention, and expected artifacts for each source; it does not address the specific requirement to account for cloud-provider control during evidence collection.

Question 506

A powered-on workstation may contain an encryption key for relevant evidence. Which investigative method is best suited to preserve running-memory artifacts that will vanish at shutdown?

  1. Collect volatile process and service state with documented tools
  2. Assess volatility, operational harm, and authorized response before shutdown
  3. Use an authorized trained live-acquisition procedure before power loss
  4. Use approved trusted tools and document inevitable system changes

Explanation

Correct Answer

C:

RAM contents are volatile and may hold active processes or keys. Acquisition can itself change the system and must be documented.

Incorrect Answers

A:

Process information may reveal execution context absent from disk later; it supports the separate objective to preserve a running process list during incident response. Collection should follow an order-of-volatility plan; the immediate evidentiary task here is to preserve running-memory artifacts that will vanish at shutdown.

B:

Abrupt power loss destroys memory and active-state evidence; it belongs to a different stage of work: trying to decide whether to shut down an active suspect server. A risk-based plan balances service continuity and preservation; the facts presented call first for a way to preserve running-memory artifacts that will vanish at shutdown.

D:

Live examination affects the machine; that principle applies when the team needs to avoid contaminating a live system through untested utilities. Controlled tools and logs make those changes explicit and minimize interference with evidence; the record instead calls for an action that would preserve running-memory artifacts that will vanish at shutdown.

Question 507

A production server may contain short-lived network sessions and vital business transactions. What should the examiner select to decide whether to shut down an active suspect server?

  1. Capture authorized connection and process information promptly
  2. Use an authorized trained live-acquisition procedure before power loss
  3. Collect volatile process and service state with documented tools
  4. Assess volatility, operational harm, and authorized response before shutdown

Explanation

Correct Answer

D:

Abrupt power loss destroys memory and active-state evidence. A risk-based plan balances service continuity and preservation.

Incorrect Answers

A:

Live session data can disappear quickly; that is why it can help to record active network connections during a live examination. Source timestamps and collection commands help explain the observed state; it would not by itself meet the stated need to decide whether to shut down an active suspect server.

B:

RAM contents are volatile and may hold active processes or keys; this is primarily relevant when the objective is to preserve running-memory artifacts that will vanish at shutdown. Acquisition can itself change the system and must be documented; the required investigative decision is to decide whether to shut down an active suspect server.

C:

Process information may reveal execution context absent from disk later; that is the consideration when a team tries to preserve a running process list during incident response. Collection should follow an order-of-volatility plan; that would leave unresolved the present need to decide whether to shut down an active suspect server.

Question 508

A compromised host currently communicates with an unusual external address. What should be done to record active network connections during a live examination?

  1. Capture authorized connection and process information promptly
  2. Collect volatile process and service state with documented tools
  3. Use an authorized trained live-acquisition procedure before power loss
  4. Assess volatility, operational harm, and authorized response before shutdown
  5. Use approved trusted tools and document inevitable system changes

Explanation

Correct Answer

A:

Live session data can disappear quickly. Source timestamps and collection commands help explain the observed state.

Incorrect Answers

B:

Process information may reveal execution context absent from disk later; this is a sensible safeguard where the issue is to preserve a running process list during incident response. Collection should follow an order-of-volatility plan; it does not settle how to record active network connections during a live examination in this situation.

C:

RAM contents are volatile and may hold active processes or keys; it can be useful for efforts to preserve running-memory artifacts that will vanish at shutdown. Acquisition can itself change the system and must be documented; this case asks for a means to record active network connections during a live examination instead.

D:

Abrupt power loss destroys memory and active-state evidence; this responds to a different operational need to decide whether to shut down an active suspect server. A risk-based plan balances service continuity and preservation; the record instead calls for an action that would record active network connections during a live examination.

E:

Live examination affects the machine; this is primarily relevant when the objective is to avoid contaminating a live system through untested utilities. Controlled tools and logs make those changes explicit and minimize interference with evidence; this case asks for a means to record active network connections during a live examination instead.

Question 509

An examiner suspects an unauthorized service launched minutes ago. Which action would most reliably help the team to preserve a running process list during incident response?

  1. Assess volatility, operational harm, and authorized response before shutdown
  2. Record authorized connection and process information promptly
  3. Use an authorized trained live-acquisition procedure before power loss
  4. Collect volatile process and service state with documented tools

Explanation

Correct Answer

D:

Process information may reveal execution context absent from disk later. Collection should follow an order-of-volatility plan.

Incorrect Answers

A:

Abrupt power loss destroys memory and active-state evidence; it protects the separate goal to decide whether to shut down an active suspect server. A risk-based plan balances service continuity and preservation; it does not settle how to preserve a running process list during incident response in this situation.

B:

Live session data can disappear quickly; it belongs to a different stage of work: trying to record active network connections during a live examination. Source timestamps and collection commands help explain the observed state; the facts presented call first for a way to preserve a running process list during incident response.

C:

RAM contents are volatile and may hold active processes or keys; this addresses a different question: how to preserve running-memory artifacts that will vanish at shutdown. Acquisition can itself change the system and must be documented; it is not a substitute for a step that would preserve a running process list during incident response.

Question 510

An investigator proposes downloading multiple tools onto the suspect's working drive. What would be the most defensible approach to avoid contaminating a live system through untested utilities?

  1. Use an authorized trained live-acquisition procedure before power loss
  2. Capture authorized connection and process information promptly
  3. Assess volatility, operational harm, and authorized response before shutdown
  4. Use approved trusted tools and document inevitable system changes

Explanation

Correct Answer

D:

Live examination affects the machine. Controlled tools and logs make those changes explicit and minimize interference with evidence.

Incorrect Answers

A:

RAM contents are volatile and may hold active processes or keys; it supports the separate objective to preserve running-memory artifacts that will vanish at shutdown. Acquisition can itself change the system and must be documented; it serves another purpose, not the immediate need to avoid contaminating a live system through untested utilities.

B:

Live session data can disappear quickly; this responds to a different operational need to record active network connections during a live examination. Source timestamps and collection commands help explain the observed state; the priority under these facts is to avoid contaminating a live system through untested utilities.

C:

Abrupt power loss destroys memory and active-state evidence; this concerns the distinct task of deciding how to decide whether to shut down an active suspect server. A risk-based plan balances service continuity and preservation; it serves another purpose, not the immediate need to avoid contaminating a live system through untested utilities.

Certified Fraud Examiner - Investigation (CFE - Investigation) Practice Tests