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| Certification Vendor: | EC-Council |
|---|---|
| Exam Name: | EC-Council Digital Forensics Essentials (DFE) |
| Exam Number: | 112-57 |
| Exam Duration: | 120 minutes |
| Related Certifications: | EC-Council Certified Ethical Hacker (CEH) EC-Council Computer Hacking Forensic Investigator (CHFI) |
| Exam Price: | $250 (USD) |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Real Exam Qty: | 60 |
| Passing Score: | 70% |
| Exam Format: | Multiple Choice |
| Sample Questions: | EC-COUNCIL 112-57 Sample Questions |
| Exam Way: | Online Proctored / Testing Center |
| Pre Condition: | No formal prerequisites; basic understanding of IT and networking recommended. Ideal for beginners in digital forensics. |
| Official Syllabus URL: | https://www.eccouncil.org/digital-forensics-essentials/ |
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NEW QUESTION # 44
Andrew, a system administrator, is performing a UEFI boot process. The current phase of the UEFI boot process consists of the initialization code that the system executes after powering on the EFI system. This phase also manages platform reset events and sets up the system so that it can find, validate, install, and run the PEI.
Which of the following UEFI boot phases is the process currently in?
Answer: C
Explanation:
In the UEFI/PI boot architecture, the phase that runsimmediately after power-on or resetis theSEC (Security) phase. Digital forensics references include UEFI phases because firmware-level activity can affect the trustworthiness of the platform (e.g., bootkits, persistence, and measured boot artifacts). The SEC phase is responsible for executing the earliest initialization instructions, handlingplatform reset events, and establishing a minimal, controlled execution environment. Critically, SEC prepares the system so it canlocate, verify, and hand off controlto the next stage-PEI (Pre-EFI Initialization)-by setting up temporary memory and foundational CPU/chipset state required for PEI modules to execute.
The wording in the question precisely matches SEC responsibilities: "initialization code executed after powering on," "manages platform reset events," and "sets up the system so it can find, validate, install, and run the PEI." By contrast,PEIfocuses on discovering and initializing permanent memory and producing the Hand-Off Blocks for DXE;DXEloads drivers and boot services; andBDSselects and launches the boot option.
Therefore, the phase described is theSecurity phase (SEC), which corresponds to optionD.
NEW QUESTION # 45
John, a forensic officer, was working on a criminal case. He employed imaging software to create a copy of data from the suspect device on a storage medium for further investigation. For developing an image of the original data, John used a software application that does not allow an unauthorized user to alter the image content on storage media, thereby retaining an unaltered image copy.
Identify the data acquisition step performed by John in the above scenario.
Answer: C
Explanation:
The scenario emphasizes that John used an application (or mechanism) thatprevents alteration of the acquired image content, ensuring the image remainsunalteredand protected from unauthorized modification. In forensic acquisition standards, this corresponds toenabling write protectionduring imaging-commonly implemented using awrite blocker(hardware or controlled software write-protection) to prevent any writes to the source evidence and, where applicable, to protect the integrity of the evidence copy from accidental or unauthorized changes. The purpose is to preserve evidential integrity by ensuring that neither the original media nor the forensic image is modified during handling, analysis preparation, or transfer.
"Validated data acquisition" refers to confirming the image is an exact duplicate, typically by computing and comparing cryptographic hashes (e.g., MD5/SHA) of the source and the acquired image. While validation is essential, the question specifically highlightspreventing alteration, not verifying equality. "Sanitized the target media" is the step of wiping/clearing the destination drive before acquisition to avoid contamination, which is not what is described. "Planned for contingency" relates to operational planning for unexpected issues (equipment failure, encryption, power loss), not integrity protection. Therefore, the best match isEnabled write protection on the evidence media (A).
NEW QUESTION # 46
David, a cybercriminal, targeted a community and initiated anti-social campaigns online. In this process, he used a layer of the web that allowed him to maintain anonymity during the campaign.
Which of the following layers of the web allowed David to hide his presence during the anti-social campaign?
Answer: D
Explanation:
The layer of the web most associated withmaintaining anonymityfor users and services is theDark Web. In digital forensics terminology, the Dark Web refers to services hosted on overlay networks (such as Tor hidden services) that arenot indexed by standard search enginesand are typically accessible only through specialized software and configurations. Its core characteristic is that it is deliberately designed to reduce traceability by routing traffic through multiple relays and separating identifying information (like the user's real IP address) from the destination. This makes attribution and geolocation significantly harder using traditional network logs alone, which is why adversaries often choose it to conduct covert communications, host content, or coordinate campaigns.
By contrast, theSurface Web(the regular, indexed portion of the web) is generally reachable through normal browsers and is easier to monitor and attribute using conventional ISP, server, and platform logs. "World Wide Web" is a general term for web content accessed via HTTP/HTTPS and does not specifically imply anonymity. TheDeep Webrefers to content not indexed by search engines (e.g., webmail, databases, authenticated portals), but it is not inherently anonymizing-many deep web resources are simply private or access-controlled. Therefore, the layer enabling David to hide his presence is theDark Web (C).
NEW QUESTION # 47
Sam, a digital forensic expert, is working on a case related to file tampering in a system at the administrative department of an organization. In this process, Sam started performing the following steps to analyze the acquired data to draw conclusions related to the case.
1.Analyze the file content for data usage.
2.Analyze the date and time of file creation and modification.
3.Find the users associated with file creation, access, and file modification.
4.Determine the physical storage location of the file.
5.Generate a timeline.
6.Identify the root cause of the incident.
Identify the type of analysis performed by Sam in the above scenario.
Answer: D
Explanation:
The listed actions describe theexamination and interpretation of acquired evidence, which aligns withdata analysisin the digital forensics investigation process. After collection and acquisition, examiners analyze evidence by validating what the data contains (file content and usage), interpretingMAC times(creation
/modification and related timestamps), attributing actions tousers and accounts(who created, accessed, or modified the file), and determiningwhere the file resides physically/logicallyon storage (path, volume, clusters
/blocks, and whether it appears in allocated/unallocated areas). Generating atimelineis a core analytical task used to correlate file events with system activity and other artifacts to reconstruct sequence and intent. Finally,
"identify the root cause of the incident" represents the analytical conclusion derived from correlating artifacts and timeline events.
The other choices do not match the described work.Search and seizureis the legal/field activity of locating and securing evidence sources, not interpreting artifacts.Reportingis the documentation phase after analysis, where findings and methods are written up.Case analysisis broader and can include overall strategy and interpretation, but the question's focus is explicitly on analyzing acquired data and producing forensic conclusions, which isdata analysis.
NEW QUESTION # 48
Bob, a forensic investigator, is investigating a live Windows system found at a crime scene. In this process, Bob extracted subkeys containing information such as SAM, Security, and software using an automated tool called FTK Imager.
Which of the following Windows Registry hives' subkeys provide the above information to Bob?
Answer: B
Explanation:
In Windows forensics, the Registry is organized into logical root keys ("hives") that aggregate configuration and security data. The items named in the question-SAM,SECURITY, andSOFTWARE-aresystem-wide registry hivesstored on disk (typically under the system's configuration directory) and loaded at runtime underHKEY_LOCAL_MACHINE (HKLM). Investigators rely on these hives because they contain high- value evidence: theSAMhive stores local account database information (including user and group identifiers and credential-related material), theSECURITYhive holds system security policy and LSA-related settings, and theSOFTWAREhive contains installed software, application configuration, and many operating system settings relevant for program execution and persistence analysis.
Tools likeFTK Imagercan extract these hives (or their live-memory representations) during triage to preserve volatile context and enable offline parsing while maintaining evidentiary integrity. The other root keys do not match these specific hives:HKEY_CURRENT_USERis per-user profile data, HKEY_CURRENT_CONFIGreflects current hardware profile, andHKEY_CLASSES_ROOTis primarily file association/COM class mapping (largely derived from HKLM\Software\Classes and HKCU\Software\Classes). Therefore, the correct hive root that provides SAM, SECURITY, and SOFTWARE subkeys isHKEY_LOCAL_MACHINE (B).
NEW QUESTION # 49
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