112-57テスト難易度、112-57ソフトウエア

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EC-COUNCIL 112-57 Exam Overview:

Certification Vendor:EC-Council
Exam Name:EC-Council Digital Forensics Essentials (DFE)
Exam Number:112-57
Real Exam Qty:60
Passing Score:70%
Exam Format:Multiple Choice
Certificate Validity Period:3 years
Available Languages:English
Related Certifications:EC-Council Certified Ethical Hacker (CEH)
EC-Council Computer Hacking Forensic Investigator (CHFI)
Exam Duration:120 minutes
Exam Price:$250 (USD)
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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EC-COUNCIL 112-57認定試験に対する評判が良い問題集

112-57練習問題は、試験に必要な人向けの安定した信頼できる試験問題プロバイダーです。 私たちは長い間市場にとどまって成長してきました。112-57トレーニングブレインダンプの優れた品質と高い合格率のため、私たちは常にここにいます。 安全な環境と効果的な製品については、数千人の候補者が当社の112-57学習ガイドを選択する用意があります。112-57学習教材を試してみてください。

EC-COUNCIL 112-57 認定試験の出題範囲：

トピック出題範囲
トピック 1
  • 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.
トピック 2
  • Malware Forensics: This module introduces malware investigation techniques, including static and dynamic analysis, and examining system and network behavior to understand malicious activity.
トピック 3
  • Network Forensics: This module introduces network forensic concepts, including event correlation, analyzing network logs, identifying indicators of compromise, and investigating network traffic.
トピック 4
  • 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.
トピック 5
  • Data Acquisition and Duplication: This module focuses on methods for collecting and duplicating digital evidence. It explains acquisition techniques, formats, and procedures used to create forensic images and capture system memory.
トピック 6
  • Linux and Mac Forensics: This module explains forensic analysis techniques for Linux and Mac systems. It focuses on analyzing system data, file systems, and memory to recover digital evidence.
トピック 7
  • Investigating Web Attacks: This module focuses on analyzing web application attacks through server logs and detecting malicious activities targeting web servers and applications.
トピック 8
  • Investigating Email Crimes: This module covers the basics of email systems and the process of investigating suspicious emails to identify potential cybercrime evidence.
トピック 9
  • 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.
トピック 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.
トピック 11
  • 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.

EC-COUNCIL EC-Council Digital Forensics Essentials (DFE) 認定 112-57 試験問題 (Q60-Q65):

質問 # 60
Sarah, a forensic investigator, is working on a criminal case. She was provided with all the suspect devices.
Sarah employs an imaging software tool for duplicating the original data from the suspect devices. However, the tool she employed failed to image the data as the suspect version of the drive was very old and incompatible with imaging software. Hence, Sarah used an alternative data acquisition technique and succeeded in imaging the data.
Which of the following types of data acquisition techniques did Sarah employ in the above scenario?

正解：D

解説：
The key detail is that Sarah'simaging softwarecould not acquire the device because the drive wasvery old and incompatiblewith the software-based approach. In such situations, forensic practice recommends switching to an acquisition method that isless dependent on the operating system or specific imaging application compatibility, while still producing a forensic-accurate duplicate.Bit-stream disk-to-diskacquisition (also called forensic cloning) creates asector-by-sectorcopy of the entire source drive directly onto another physical drive. This method is commonly performed using dedicated duplicators or hardware-assisted workflows that can interface with legacy media more reliably than certain disk-to-image software utilities.
Sparse acquisition would intentionally capture only selected portions of a disk (used to reduce time/storage), which does not fit the goal of "succeeded in imaging the data" after a failure due to incompatibility. Logical acquisition captures only active files/folders through the file system and is not the preferred alternative when full forensic imaging is required, especially in criminal cases. Bit-stream disk-to-image-file is still software
/container dependent and is essentially what failed initially. Therefore, the most appropriate alternative that explains success with an older incompatible drive isBit-stream disk-to-disk (D).


質問 # 61
Bob, a professional hacker, targeted an organization to launch attacks. Bob gathered information such as network topology and a list of live hosts. Based on the collected information, he launched further attacks over the organization's network.
Identify the type of network attack Bob initiated on the target organization in the above scenario.

正解：B

解説：
The activity described-collectingnetwork topologydetails and compiling alist of live hosts-matches the reconnaissance phase commonly referred to asenumeration. In digital forensics and incident response documentation, enumeration is the systematic process of discovering and extracting information about a target environment to support later exploitation. It typically follows (or overlaps with) scanning and includes identifying active IP addresses, reachable systems, open ports/services, device roles, OS fingerprints, domain information, shared resources, user/group details, and routing or segmentation clues that reveal how the network is structured.
This information is then used to plan "further attacks," such as targeting exposed services, choosing exploit paths, locating high-value systems, and selecting lateral movement routes. From a forensic standpoint, enumeration attempts often leave traces in firewall logs, IDS alerts, and endpoint artifacts (e.g., bursts of connection attempts across many hosts/ports, ICMP echo sweeps, ARP discovery on local segments, and repeated DNS queries).
The other options do not fit:data modificationinvolves altering data integrity;session hijackingtargets active sessions/tokens; andbuffer overflowis an exploitation technique against vulnerable software, not the information-gathering step described. Therefore, the correct answer isEnumeration (B)


質問 # 62
Jennifer, a forensics investigation team member, was inspecting a compromised system. After gathering all the evidence related to the compromised system, she disconnected the system from the network to stop the spread of the incident to other systems.
Identify the role played by Jennifer in the forensics investigation.

正解：B

解説：
Jennifer's actions match the responsibilities of anincident responder, whose job spans immediatecontainment, preservation, and stabilizationactivities during an active or recently active security incident. In standard digital forensics and incident response (DFIR) procedures, responders first take steps topreserve evidence(e.g., documenting the scene, capturing volatile data when appropriate, and collecting relevant system artifacts) and then executecontainment measuresto prevent further harm. Disconnecting a compromised host from the network is a classic containment control used to stop malware propagation, block command-and-control communications, and prevent lateral movement to other systems.
Anincident analyzertypically focuses on deeper technical analysis-timeline reconstruction, root cause determination, and correlating artifacts across hosts and logs-rather than performing immediate containment.
Anevidence manageris primarily responsible for maintaining evidence integrity, chain of custody, storage, labeling, and access control, not operational containment. Anexpert witnessprovides formal testimony and interpretation in legal or disciplinary proceedings and is not usually involved in live containment actions.
Since Jennifer bothgathered evidenceand thenisolated the system to stop spread, the role most consistent with documented DFIR responsibilities isIncident responder (A).


質問 # 63
Which of the following measures is defined as the time to move read or write disc heads from one point to another on the disk?

正解：A

解説：
Seek timeis the specific performance measure that describes how long a hard disk drive's actuator takes tomove the read/write heads across the plattersfrom the current track (cylinder) to the target track where the requested data resides. In traditional magnetic HDDs, the heads must be physically repositioned before any sector can be read or written, making seek time a core component of mechanical latency.
Digital forensics materials emphasize understanding this distinction because HDD mechanical behavior affectsacquisition duration, the feasibility of repeated scans, and why imaging or carving operations can take longer on fragmented media. It also helps explain why solid-state drives (SSDs), which have no moving heads, do not have seek time in the same sense and therefore behave differently during large-scale reads.
The other choices are broader or unrelated:access timetypically refers to thetotal time to retrieve data, commonly combiningseek time + rotational latency + transfer time.Delay timeis not the standard term for head movement in disk performance definitions.Mean timeis incomplete as written and is usually part of reliability metrics like mean time between failures, not head positioning. Therefore, the correct measure for head movement time isSeek time (C).


質問 # 64
An organization decided to strengthen the security of its network by studying and analyzing the behavior of attackers. For this purpose, Steven, a security analyst, was instructed to deploy a device to bait attackers.
Steven selected a solution that appears to contain very useful information to lure attackers and find their locations and techniques.
Identify the type of device deployed by Steven in the above scenario.

正解：C

解説：
Ahoneypotis a deliberately deployed decoy system or service designed toattract attackersby appearing valuable or vulnerable, thereby enabling defenders to observe malicious behavior in a controlled manner.
Digital forensics and incident response references describe honeypots as tools forthreat intelligence and evidence collection, because they can record interaction details such as connection sources, exploited services, commands executed, malware dropped, and attempted privilege escalation. This directly matches the scenario: Steven deployed something that "appears to contain very useful information" tolure attackersand help identify theirlocations and techniques. Honeypots are typically instrumented with extensive logging and monitoring, making them especially useful for building timelines, extracting indicators of compromise, and understanding adversary tactics, techniques, and procedures.
The other options do not align with the "bait attackers" goal. AnIDSprimarily detects and alerts on suspicious activity but is not intended to impersonate a valuable target. Afirewallenforces access control rules to block
/allow traffic, not entice attackers. Arouterforwards packets and provides network connectivity; it is not a deception platform. Therefore, the device type described is aHoneypot (C).


質問 # 65
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