Free PDF Quiz Updated 112-57 - EC-Council Digital Forensics Essentials (DFE) Valid Exam Sample

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EC-COUNCIL 112-57 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Investigating Web Attacks: This module focuses on analyzing web application attacks through server logs and detecting malicious activities targeting web servers and applications.
Topic 2
  • Defeating Anti-forensics Techniques: This module discusses anti-forensic methods used to hide or destroy evidence. It also explains techniques investigators use to detect hidden data and recover deleted or protected information.
Topic 3
  • Malware Forensics: This module introduces malware investigation techniques, including static and dynamic analysis, and examining system and network behavior to understand malicious activity.
Topic 4
  • Investigating Email Crimes: This module covers the basics of email systems and the process of investigating suspicious emails to identify potential cybercrime evidence.
Topic 5
  • Dark Web Forensics: This module explains the investigation of dark web activities, including analyzing artifacts related to the Tor browser and identifying dark web usage on systems.
Topic 6
  • Understanding Hard Disks and File Systems: This module covers disk structures, types of storage drives, and operating system boot processes. It also explains how investigators analyze file systems and recover deleted data.
Topic 7
  • Network Forensics: This module introduces network forensic concepts, including event correlation, analyzing network logs, identifying indicators of compromise, and investigating network traffic.
Topic 8
  • Windows Forensics: This module covers forensic investigation in Windows systems, including analysis of memory, registry data, browser artifacts, and file metadata to identify system and user activities.
Topic 9
  • Computer Forensics Investigation Process: This module explains the phases of the forensic investigation process, including pre-investigation, investigation, and post-investigation. It also covers evidence integrity methods such as hashing and disk imaging.
Topic 10
  • Computer Forensics Fundamentals: This module introduces the core concepts of computer forensics, including digital evidence, forensic readiness, and the role of investigators. It also explains legal and compliance requirements involved in forensic investigations.

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EC-COUNCIL EC-Council Digital Forensics Essentials (DFE) Sample Questions (Q75-Q80):

NEW QUESTION # 75
Kane, an investigation specialist, was appointed to investigate an incident in an organization's network. In this process, Kane executed a command and identified that a network interface is running in the promiscuous mode and is allowing all incoming packets without any restriction.
In the above scenario, which of the following commands did Kane use to check whether the network interface is set to the promiscuous mode?

Answer: D

Explanation:
Promiscuous mode is a network interface configuration in which the NIC passesall observed framesto the operating system, not only frames addressed to that host's MAC address. In investigations, this matters because promiscuous mode is commonly enabled bypacket sniffers, certain intrusion tools, or misconfigured monitoring software, and it can indicate covert traffic capture on a host.
On UNIX/Linux systems, the traditional command used to view interface flags and status isifconfig < interface name>. When an interface is set to promiscuous mode,ifconfigdisplays aPROMISCflag in the interface's status line, allowing an investigator to confirm whether the NIC is accepting all frames. This directly matches Kane's goal of checking if the interface is running in promiscuous mode.
The other commands do not provide this specific interface flag.nmap -sT localhostscans for open TCP ports, not interface modes.ipconfigis a Windows command (and does not take an interface name in that form to show PROMISC status), and it primarily reports IP configuration.netstat -ishows network interface statistics (packets, errors, drops) but typically does not explicitly indicate promiscuous mode. Therefore, the correct command isifconfig <interface name> (C).


NEW QUESTION # 76
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: B

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 # 77
Which of the following steps in forensic readiness planning provides a backup for future reference and assists in presenting evidence in a court of law?

Answer: B

Explanation:
In forensic readiness planning, the goal is to ensure that when an incident occurs, the organization can collect, preserve, and present digital evidence in a manner that remainsreliable, repeatable, and legally defensible. A key requirement for courtroom acceptance is cleardocumentation-often referred to as proper documentation and chain-of-custody support-showing what actions were taken, by whom, when, using which tools, and under what conditions. Creating a defined process for documenting procedures ensures investigators consistently record acquisition steps, handling methods, hashing/verification results, storage locations, access history, and any changes in evidence possession. This documentation becomes a "backup" in the sense that it preserves institutional memory of the investigation steps, allowing future reviewers (auditors, opposing experts, courts) to reconstruct and validate what occurred even long after the incident.
While identifying potential evidence (B) and determining evidence sources (C) are important readiness tasks, they do not themselves create the structured record needed to defend evidence integrity. Keeping an incident response team ready (D) supports operational response, but does not directly ensure admissibility. Therefore, the step that provides future reference and supports court presentation isCreating a process for documenting the procedure (A).


NEW QUESTION # 78
Which of the following files belonging to the Extensible Storage Engine (ESE) stores the mail data in Microsoft Exchange Server?

Answer: A

Explanation:
Microsoft Exchange Server stores mailbox contents (emails, attachments, folders, and related messaging objects) inside anESE (Extensible Storage Engine) databasethat uses the.edbfile format. In Exchange terminology this is theMailbox Database, and its primary persistent store is thedatabase .edb filealong with associated transaction logs that support write-ahead logging and recovery. From a forensic perspective, the.
edbfile is the central artifact because it contains the structured mailbox data that investigators analyze for message content, metadata (timestamps, sender/recipient fields, message IDs), and folder structure.
Among the options,Database.edbbest matches the Exchange ESE mailbox database file that stores mail data.
The other options are either generic or associated with different Microsoft messaging components:Mail.
MSMessageStorerelates to the Windows Mail/Modern Mail app storage model rather than Exchange Server's mailbox database, andWLCalendarStore.edbis commonly tied to Windows Live/Windows Essentials calendar or communications storage, not Exchange's server-side mailbox store.DataStore.edbis also used by other Windows services, but the recognized Exchange mailbox store is the.edb database file, makingDatabase.edb (D)the correct answer.


NEW QUESTION # 79
Which of the following Windows system files is created in the system drive after OS installation to support the internal functions and system service dispatch stubs to executive functions?

Answer: A

Explanation:
Ntdll.dllis the Windows user-mode system library that provides manyinternal NT functions(commonly exposed as "NT Native API" routines such asNt*/Zw*) and, critically, contains thesystem service dispatch stubsused by user-mode code to transition into kernel mode for operating system services. In standard Windows architecture, most user-mode applications call higher-level APIs (for example, Win32 APIs inKernel32.dll), which then ultimately rely onNtdll.dllto perform the final step of invoking the kernel through these system call stubs. This is whyNtdll.dllis a core component loaded into nearly every process and is tightly associated with the boundary between user mode and theexecutivecomponents of the OS.
From a forensics viewpoint, understandingNtdll.dllmatters because it is central to how processes request privileged services, and it is frequently referenced in analyses of process execution, API call chains, and certain user-mode hooking techniques used by malware or anti-forensics tools.
By contrast,Ntoskrnl.exeis the kernel image itself (core kernel/executive),Win32k.sysis a kernel-mode graphics/windowing subsystem component, andKernel32.dllprovides higher-level Win32 APIs rather than the primary system-call stub layer. Hence,Ntdll.dll (C)is the correct answer.


NEW QUESTION # 80
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