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For quick and complete EC-Council Digital Forensics Essentials (DFE) (112-57) exam preparation you can trust Pass4guide EC-COUNCIL 112-57 Exam Questions. With the EC-COUNCIL 112-57 practice test questions you can ace your EC-Council Digital Forensics Essentials (DFE) (112-57) exam preparation and be ready to perform well in the final EC-COUNCIL 112-57 certification exam.
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NEW QUESTION # 27
Benoy, a security professional at an organization, extracted Apache access log entries to view critical information about all the operations performed on a web server. The Apache access log extracted by Benoy is given below:
"10.10.10.10 - Jason [17/Aug/2019:00:12:34 +0300] "GET /images/content/bg_body_1.jpg HTTP/1.0" 500
1458"
Identify the HTTP status code in the Apache access log entry above that indicates the response was successful.
Answer: C
Explanation:
In the Apache Combined/Custom access log format, the value immediately after the quoted request (here," GET ... HTTP/1.0") is theHTTP status codereturned by the server. In the provided entry, that field is500.
From a forensic analysis standpoint, recognizing field positions matters because investigators correlate client IPs, timestamps, requested resources, and server outcomes to reconstruct attack timelines and identify failed exploitation attempts or misconfigurations.
It is important to note thatsuccessful HTTP responses are typically in the 2xx range, most commonly200 (OK), while3xxindicates redirects,4xxindicates client-side errors (such as 404 Not Found), and5xxindicates server-side failures. Specifically,500represents anInternal Server Error, meaning the server encountered an unexpected condition and could not fulfill the request successfully.
The other options are not HTTP status codes in this entry:+0300is the timezone offset in the timestamp,1.0is the HTTP protocol version, and2019is part of the date. Therefore, the only HTTP status code present-and the correct choice among the options-is500 (B), even though it reflects an error rather than success.
NEW QUESTION # 28
Wesley, a professional hacker, deleted a confidential file in a compromised system using the "/bin/rm/" command to deny access to forensic specialists.
Identify the operating system on which Don has performed the file carving act.
Answer: A
Explanation:
The command path /bin/rm is a hallmark of UNIX/POSIX-style operating systems, where core userland utilities are commonly stored under directories such as /bin, /sbin, and /usr/bin. The utility rm (remove) is the standard UNIX command used to delete directory entries that reference a file's data blocks on disk. This layout and command structure do not match Windows, whichuses different filesystem conventions (drive letters, backslashes, and Windows-native executables) and does not provide /bin/rm as a native path. Android, while Linux-kernel-based, typically exposes shell utilities through environments like /system/bin (and newer systems may use toybox/busybox variants), not the classic /bin hierarchy expected on general-purpose UNIX systems. Between the remaining options, both Linux and macOS are UNIX-like and can include an rm command; however, in digital forensics training and examination contexts, the explicit reference to /bin/rm is most commonly used to indicate a Linux/UNIX command-line environment on a compromised host.
Therefore, the best single-choice answer from the provided options is Linux (D).
NEW QUESTION # 29
Which of the following data acquisition formats supports the Lempel-Ziv-Markov chain (LZMA) algorithm for compression?
Answer: B
Explanation:
In digital forensics, acquisition formats differ mainly in how they store evidence data, metadata, and whether they support features like compression, segmentation, and integrity verification. ARaw formatis a sector-by- sector bitstream image (often called "dd" style) and typically doesnotdefine built-in compression or structured metadata; any compression would be external to the format. "Proprietary format" is not a single defined standard-some proprietary images may compress data, but the option is too generic and not tied to a specific, documented compression method.
The format known in forensic documentation for explicitly supporting modern compression such asLZMAisAFF4 (Advanced Forensic Format 4), which is designed as a next-generation container supporting rich metadata, hashing, chunked storage, and pluggable compression options. AFF4's architecture stores evidence in compressed chunks/streams and commonly associates LZMA with efficient, high-ratio compression while preserving forensic requirements such as repeatable verification through cryptographic hashes.
The option "Advanced ForensicFramework 4" corresponds toAFF4in many exam question banks and training materials. Therefore, the correct choice isC, because AFF4 is the acquisition format recognized for supportingLZMA compressionas part of its standardized capabilities.
NEW QUESTION # 30
Which of the following file systems is developed by Apple to support Mac OS in its proprietary Macintosh system and replace the Macintosh File System (MFS)?
Answer: B
Explanation:
Apple's original Macintosh computers initially usedMFS (Macintosh File System), which had important limitations, including a relatively flat directory model and constraints that became problematic as storage sizes and file organization needs grew. To address these limitations, Apple introducedHFS (Hierarchical File System)-explicitly designed to replace MFS and provide a truehierarchical directory structure(folders within folders), improved metadata handling, and better scalability for the Macintosh platform. From a digital forensics perspective, this historical transition matters because examiners may encounter legacy Macintosh media or disk images where understanding the file system family helps interpret catalog structures, allocation behavior, and metadata artifacts.
The other options do not fit the "replace MFS" requirement.NTFSis Microsoft's Windows file system.APFS (Apple File System)is Apple's modern file system introduced much later (primarily for SSDs, with features like snapshots and strong encryption support) and it replaced HFS+ in newer macOS versions-not MFS.
Filesystem Hierarchy Standard (FHS)is a UNIX/Linux directory layout standard, not a Macintosh disk file system. Therefore, the Apple-developed file system that replaced MFS isHierarchical File System (HFS), which corresponds toOption D.
NEW QUESTION # 31
Cheryl, a forensic expert, was recruited to investigate a malicious activity performed by an anonymous hackers' group on an organization's systems. Using an automated tool, Cheryl was able to extract the malware file and analyze the assembly code instructions, which helped him understand the malware's purpose.
Which of the following tools helped Cheryl extract and analyze the assembly code of the malware?
Answer: C
Explanation:
To understand a malware sample's purpose at the instruction level, investigators usereverse-engineering toolsthat candisassemblecompiled binaries intoassembly codeand often allowinteractive debuggingto observe runtime behavior (API calls, unpacking routines, decryption loops, process injection, and control-flow decisions).OllyDbgis a classic Windows user-mode debugger widely referenced in malware analysis workflows because it provides an integrated view ofdisassembly, CPU registers, memory, breakpoints, and execution tracing. This makes it suitable for extracting behavioral insight from the actual assembly instructions, especially when malware uses obfuscation or packers that require stepping through execution to reach the real payload.
The other options do not primarily perform assembly-level analysis.VirtualBoxandVMware vSphereare virtualization platforms; they help safely run malware in isolated environments, but they are not disassemblers
/debuggers for examining assembly instructions.QualNetis a network simulation tool used for modeling network behavior, not binary reverse engineering. Because the question specifically emphasizesanalyzing assembly code instructionsto understand malware purpose, the correct tool among the choices isOllyDbg (C).
NEW QUESTION # 32
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