PDF (New 2026) Actual EC-COUNCIL 112-57 Exam Questions
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NEW QUESTION # 18
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?
- A. Creating a process for documenting the procedure
- B. Keeping an incident response team ready to review the incident
- C. Identifying the potential evidence required for an incident
- D. Determining the sources of evidence
Answer: A
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 # 19
Which of the following layers of the TCP/IP model serves as the backbone for data flow between two devices in a network and enables peer entities on the source and destination devices to communicate with each other?
- A. Transport layer
- B. Application layer
- C. Network access layer
- D. Internet layer
Answer: A
Explanation:
In the TCP/IP model, theTransport layeris responsible forend-to-end communication between peer entitieson the source and destination systems. "Peer entities" here refers to the corresponding transport components (and the applications that use them) on two different hosts communicating across a network. This layer forms the practical "backbone" of host-to-host data flow because it provides the mechanisms that allow data to be deliveredfrom one endpoint process to another endpoint processreliably or efficiently, depending on the protocol used.
The Transport layer includes protocols such asTCPandUDP. TCP supports connection-oriented communication with sequencing, acknowledgments, retransmissions, and flow control-features that are fundamental when reconstructing sessions during network forensic investigations (e.g., rebuilding a file transfer or a web session). UDP provides connectionless delivery used by many services where speed is preferred over guaranteed delivery, which is also significant in investigations of DNS, streaming, or certain malware communications.
By contrast, theInternet layerfocuses on logical addressing and routing (IP), theNetwork access layerhandles local delivery on the physical/link network, and theApplication layerprovides user-facing protocols.
Therefore, the layer enabling peer communication between endpoints is theTransport layer (C).
NEW QUESTION # 20
Which of the following techniques is used to compute the hash value for a given binary code to uniquely identify malware or periodically verify changes made to the binary code during analysis?
- A. Malware disassembly
- B. File fingerprinting
- C. Strings search
- D. Local and online malware scanning
Answer: B
Explanation:
File fingerprintingis the forensic technique of generating acryptographic hash(such as MD5, SHA-1, SHA-
256) for a file to create aunique, repeatable identifierfor that exact byte sequence. In malware forensics, analysts compute hashes to (1)uniquely identifya suspicious binary across cases and tools, (2) confirm whether two samples are identical or different variants, and (3)verify integrity over time-for example, ensuring the sample did not change during copying, extraction, sandbox handling, or during an analysis workflow that might inadvertently modify the file (e.g., patching, unpacking outputs, or tool-side normalization). Re-hashing at different stages provides a defensible way to demonstrate that the analyzed artifact is the same as the acquired artifact, supporting evidentiary integrity and chain-of-custody principles commonly emphasized in digital forensics documentation.
The other techniques do not primarily serve this purpose.Strings searchextracts readable text fragments but does not produce a unique integrity identifier.Local and online malware scanninguses signatures/reputation and may identify families, but it is not an integrity verification mechanism for the exact file bytes.Malware disassemblyhelps understand logic and instructions, not compute an identity hash. Therefore, the correct answer isFile fingerprinting (A).
NEW QUESTION # 21
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.
- A. +0300
- B. 0
- C. 1.0
- D. 1
Answer: D
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 # 22
Sam is working as a loan agent for a financial institution. He frequently receives a number of emails from clients providing their personal details for loan approval. As these emails contain sensitive data, Sam had set up a feature that directly downloads the emails on his device without storing a copy on the mail server. Which of the following protocols provides the above-discussed email features?
- A. POP3
- B. SNMP
- C. ICMP
- D. SHA-1
Answer: A
Explanation:
The scenario describes an email-retrieval configuration in which messages aredownloaded to a client device andnot retained on the server. This behavior aligns withPOP3 (Post Office Protocol v3), a legacy but widely referenced mail access protocol that retrieves email from a server mailbox to a local client. In standard POP3 operation, the client authenticates to the mail server, issues retrieval commands (e.g., to list and download messages), and may then issue a delete command so that downloaded messages are removed from the server mailbox. Digital forensics references commonly contrast POP3 with IMAP:IMAP is designed for server-side mailbox synchronization and typically leaves mail stored on the server, whereas POP3 is oriented towardclient-side storageand supports workflows where server copies are not preserved after download. The other options are unrelated to email retrieval:SHA-1is a cryptographic hash function used for integrity checks,ICMPsupports network diagnostics and control messaging, andSNMPis used for network device management and monitoring. From an investigative standpoint, POP3 usage can reduce server-resident evidence and shift evidentiary value tolocal artifacts(mail client databases, cache, OS traces, backups), which is consistent with the intent described in the question.
NEW QUESTION # 23
Clark, a security professional, identified that one of the systems in the organization is infected with malware and was used for creating a backdoor. Clark employed an automated tool to analyze the system's memory and detect malicious activities performed on the system.
In the above scenario, which of the following tools did Clark employ to detect malicious activities performed on the system?
- A. Redline
- B. Shodan
- C. Medusa
- D. Wireshark
Answer: A
Explanation:
The question specifies anautomated tool to analyze the system's memoryand detect malicious activity associated with amalware backdoor. In malware forensics and incident response practice, memory analysis is used to identify artifacts that may not be reliably visible on disk, such as injected code, hidden processes, suspicious DLLs/modules, live network connections, persistence objects loaded in memory, and indicators of compromise tied to backdoors.Redline(commonly referenced in DFIR training) is purpose-built forhost investigation and memory analysis. It can collect and analyze volatile data, including running processes, loaded modules, handles, drivers, network sessions, and other runtime indicators that help investigators spot malicious behavior and attribute it to specific executables or injected components.
The other options do not align with memory forensics.Medusais primarily a credential brute-force/login auditing tool, not a memory analysis utility.Shodanis an Internet-wide device search engine used for external reconnaissance, not for local host RAM inspection.Wiresharkis a packet capture and protocol analysis tool focused on network traffic, not automated memory artifact collection and analysis. Therefore, the tool Clark used to analyze memory and detect malicious activity isRedline (B).
NEW QUESTION # 24
A forensic investigator is collecting volatile data such as system information and network information present in the registries, cache, DLLs, and RAM of digital devices through its normal interface.
Identify the data acquisition method the investigator is performing.
- A. Static acquisition
- B. Dead acquisition
- C. Non-volatile data acquisition
- D. Live acquisition
Answer: D
Explanation:
The scenario describes the investigator collectingvolatileartifacts-specifically information inRAM, activeDLLs, system and network state, and transient data held incacheand similar runtime locations-through the device's normal interface while the system is running. In digital forensics documentation, this is the defining characteristic oflive acquisition(also called live response). Live acquisition is performed when the system remains powered on so that investigators can capture evidence that would be lost on shutdown, such as running processes, open network connections, logged-on sessions, loaded modules/DLLs, encryption keys, and portions of registry data that exist in memory or are actively changing.
By contrast,static acquisitionanddead acquisitionare conducted when the system is powered off (or the evidence drive is imaged outside the running OS), focusing primarily on persistent storage such as disk sectors and file system structures.Non-volatile data acquisitionrefers to collecting persistent data stored on media (e.g., files on disk), which does not match the emphasis on RAM and other volatile components in the question. Because the investigator is explicitly collecting volatile data from a running system via its normal interface, the correct method isLive acquisition (B).
NEW QUESTION # 25
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?
- A. VMware vSphere
- B. OllyDbg
- C. Virtual Box
- D. QualNet
Answer: B
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 # 26
Which of the following tools helps forensic experts analyze user activity in the Microsoft Edge browser?
- A. BrowsingHistoryView
- B. ChromeHistoryView
- C. MZCacheView
- D. MZHistoryView
Answer: A
Explanation:
In Windows forensics, analyzingMicrosoft Edgeuser activity commonly involves extracting and correlating browser artifacts such asvisited URLs, visit counts, timestamps, download references, and cached content indicators. A practical forensic approach is to use a tool that canparse and normalize history artifacts across multiple browsers, because investigations often require comparing activity between Edge and other installed browsers on the same workstation.BrowsingHistoryViewis designed specifically for that purpose: it aggregates browsing history from different browsers and presents it in a unified timeline-style view, which supports rapid triage and cross-validation of user activity.
By contrast,MZHistoryViewandMZCacheVieware associated withMozilla-family artifacts(history and cache), making them appropriate for Firefox-related examinations rather than Edge.ChromeHistoryViewis specialized forGoogle Chromehistory databases and does not target Edge artifacts as its primary source. In forensic workflow terms, a multi-browser history tool is valuable because it helps identify patterns such as repeated access to specific domains, time windows of browsing activity, and correlation with other Windows artifacts (prefetch, jump lists,
NEW QUESTION # 27
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.
- A. Windows
- B. Mac OS
- C. Linux
- D. Android
Answer: C
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 # 28
Which of the following standards and criteria version of SWGDE mandates that any action with the potential to alter, damage, or destroy any aspect of original evidence must be performed by qualified persons in a forensically sound manner?
- A. Standards and Criteria 1.3
- B. Standards and Criteria 1.1
- C. Standards and Criteria 1.5
- D. Standards and Criteria 1.7
Answer: D
Explanation:
The statement in the question matchesSWGDE Principle 1, Standards and Criteria 1.7, which explicitly requires thatany action that could alter, damage, or destroy original digital evidence must be performed by qualified personnel in a forensically sound manner. In digital forensics doctrine, this requirement exists because digital evidence is highly fragile: routine interactions (booting a system, opening a file, connecting storage, running commands) can change timestamps, overwrite unallocated space, modify logs, or trigger encryption/key rotation. SWGDE's emphasis on "qualified persons" and "forensically sound manner" aligns with core evidentiary expectations: minimizing changes to original media, using controlled and repeatable methods (e.g., write-blocking, validated imaging, documented procedures), and ensuring actions are defensible under scrutiny.
Options 1.1, 1.3, and 1.5 relate to broader quality and procedural requirements (quality systems, SOP review, appropriate tools), but they do not contain the specific mandate about potentially altering original evidence.
The exact phrasing about alteration/damage/destruction and qualified handling is associated withStandards and Criteria 1.7, makingBthe correct choice.
NEW QUESTION # 29
Philip, a forensic officer, was tasked with investigating a crime scene. In this process, he created bit-by-bit copies of the suspect drive and retrieved all the disk images using the dd command.
Which of the following data acquisition image formats is extracted by Philip in the above scenario?
- A. Proprietary Format
- B. Advanced Forensic Framework 4 (AFF4)
- C. Advanced Forensics Format (AFF)
- D. Raw Format
Answer: D
Explanation:
The UNIX/Linuxddutility performs abit-by-bit (sector-by-sector) copyfrom an input device (such as a physical disk) to an output target (another device or a flat file). In digital forensics guidance, this type of output is known as araw (bitstream) imagebecause it captures the exact sequence of bytes from the source media without embedding structured case metadata, compression, or container features by default. The resulting file is often referred to as a "dd image" and may use extensions like.ddor.img, but the key point is theformat is raw: it represents a straightforward byte-for-byte representation of the original storage, including allocated data, unallocated space, slack space, and file system structures.
By contrast,AFFandAFF4are forensic container formats designed to store evidence data along with metadata (and often support features such as chunking, compression, and richer integrity structures). "Proprietary format" refers to vendor-specific containers (for example, formats created by certain commercial forensic tools) rather than the generic output produced by dd. Since Philip specifically usedddto create bit-by-bit disk images, the extracted acquisition image format isRaw Format (A).
NEW QUESTION # 30
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?
- A. Dark Web
- B. World Wide Web
- C. Deep Web
- D. Surface Web
Answer: A
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 # 31
In which of the following attacks does an attacker trick high-profile executives such as CEOs, CFOs, politicians, and celebrities to reveal critical corporate and personal information through email or website spoofing?
- A. Whaling
- B. Smishing
- C. Identity fraud
- D. Spimming
Answer: A
Explanation:
The scenario describes a targeted social-engineering attack aimed specifically athigh-profile individuals (CEOs, CFOs, politicians, celebrities) and usesemail or website spoofingto deceive them into disclosing sensitive information. In digital forensics and incident response documentation, this is most accurately categorized aswhaling, a specialized form of phishing that focuses on "big targets" (often called "high-value targets" or "VIPs"). Whaling campaigns typically use highly tailored pretexts (e.g., legal subpoenas, board communications, invoice/payment requests, HR or executive directives) and may include spoofed sender domains, look-alike websites, or fraudulent login pages to harvest credentials and confidential corporate data.
Because executives often have access to financial systems, strategic documents, and privileged communications, attackers concentrate effort on realism and personalization, making whaling distinct from broad, generic phishing.
By contrast,smishingis phishing conducted via SMS/text messages,spimmingis spam over instant messaging platforms, andidentity fraudis a broader category involving impersonation/misuse of personal data but does not specifically denote the executive-targeted spoofing technique described. Therefore, the attack type in the question isWhaling (A).
NEW QUESTION # 32
A system that a cybercriminal was suspected to have used for performing an anti-social activity through the Tor browser. James reviewed the active network connections established using specific ports via Tor.
Which of the following port numbers does Tor use for establishing a connection via Tor nodes?
- A. 3024/4092
- B. 1026/64666
- C. 31/456
- D. 9150/9151
Answer: D
Explanation:
In Tor Browser deployments, Tor typically runs a local client ("tor" process) that exposes aSOCKS proxyfor applications (the browser) to send traffic into the Tor network and, optionally, acontrol interfacefor managing circuits and obtaining runtime status. In many forensic lab guides and Tor Browser bundle configurations, the default local SOCKS listening port is9150, and the associated Tor control port is commonly9151. This pairing is frequently referenced in investigations because endpoint triage (e.g., netstat outputs, firewall logs, EDR socket telemetry) may show local loopback connections from the browser to127.0.0.1:9150(SOCKS) and management communications involving9151(control).
From a network-forensics viewpoint, these ports help distinguish Tor Browser activity from other proxy tools:
the browser does not directly connect to Tor relays; instead, it hands traffic to the local SOCKS proxy, which then establishes encrypted circuits to Tor nodes. While Tor can be configured to use different ports, the question asks about the specific ports used for establishing Tor connections in typical Tor Browser setups, which aligns with9150/9151. Therefore, the correct option isD.
NEW QUESTION # 33
Bob, a security specialist at an organization, extracted the following IIS log from a Windows-based server:
"2019-12-12
06:11:41 192.168.0.10 GET /images/content/bg_body1.jpg - 80 - 192.168.0.27 Mozilla/5.0+(Windows+NT+6.
3;+WOW64)+AppleWebKit/537.36+(KHTML,+like+Gecko)+Chrome/48.0.2564.103+Safari/537.36
http://www.moviescope.com/css/style.css 200 0 0 365"
Identify the element in the above IIS log entry that indicates the request was fulfilled without error.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
In Microsoft IIS (W3C Extended) logging, each request line records multiple standardized fields that help investigators reconstruct what was accessed, by whom, and with what outcome. Among these fields, the most direct indicator of whether the server successfully handled the request is theHTTP status codecaptured in thesc-statusfield. A status code of200means"OK", indicating the server located the requested resource (here,
/images/content/bg_body1.jpg) and returned it successfully to the client without application-level failure.
Other numbers in the entry represent different attributes:80is the server port used for the HTTP request,
192values appear as part of IP addressing (client/server addresses), and537is embedded in the user-agent string (AppleWebKit build number), not a success indicator. IIS often logs additional substatus and Win32 status values (e.g.,sc-substatusandsc-win32-status) to refine the outcome; in the shown line, those follow the
200 as "200 0 0 ...", reinforcing that no substatus error or OS-level error occurred. Therefore,200is the element confirming the request was fulfilled without error.
NEW QUESTION # 34
Which of the following titles of The Electronic Communications Privacy Act protects the privacy of the contents of files stored by service providers and records held about the subscriber by service providers, such as subscriber name, billing records, and IP addresses?
- A. Title IV
- B. Title I
- C. Title II
- D. Title III
Answer: C
Explanation:
Under the Electronic Communications Privacy Act (ECPA),Title IIis commonly known as theStored Communications Act (SCA). Digital forensics and e-discovery references treat the SCA as the key legal framework governing access tostored electronic communications and associated subscriber/account recordsheld by service providers. The question specifically mentions (1) "contents of files stored by service providers" and (2) "records held about the subscriber ... such as subscriber name, billing records, and IP addresses." These map directly to the SCA's two broad categories:content(what a communication or stored file contains) andnon-content records(subscriber identity, connection logs, billing information, IP assignment
/history, and related transactional metadata).
From an investigative perspective, Title II matters because it sets the legal process and restrictions for compelled disclosure-typically requiring different forms of legal process depending on whether the investigator seekscontentversussubscriber/transactional records, and depending on factors like how the data is stored and retention timeframes. In contrast,Title Ifocuses on real-time interception (wiretap-style capture), andTitle IIIaddresses pen register/trap-and-trace style dialing/routing information rather than stored content.
Therefore, the correct title isTitle II (Option A).
NEW QUESTION # 35
Given below are different steps involved in event correlation.
Event masking
Event aggregation
Root cause analysis
Event filtering
Identify the correct sequence of steps involved in event correlation.
- A. 2-->4-->3-->1
- B. 1-->3-->2-->4
- C. 1-->3-->4-->2
- D. 2-->1-->4-->3
Answer: D
Explanation:
In event correlation (as applied in SOC/SIEM-driven investigations), the workflow typically starts byreducing complexityandnormalizing what "one incident" looks likebefore attempting conclusions about causality.Event aggregation (2)is performed early to combine multiple low-level, related events (for example repeated authentication failures, repeated firewall denies, or multiple IDS hits for the same signature) into higher-level
"grouped" records. This prevents analysts from treating every raw log line as a separate incident and makes correlation computationally and operationally feasible.
Next,event masking (1)suppresses events that are already known to be irrelevant or repetitive in a way that does not add investigative value (for example, routine scheduled scans, approved admin tools, or duplicate alerts already represented in the aggregated set). After masking,event filtering (4)further removes remaining noise using rules, thresholds, whitelists, time windows, or relevance criteria (scope, asset criticality, and known-benign sources), leaving a cleaner dataset that represents probable security-relevant activity.
Only after the dataset is consolidated and noise-reduced doesroot cause analysis (3)become reliable, because RCA depends on a clear chain of correlated events to identify the initiating action and propagation path.
Hence the correct sequence is2 # 1 # 4 # 3 (Option B).
NEW QUESTION # 36
A government organization decided to establish a computer forensics lab to perform transparent investigation processes on highly sensitive cases. The organization also decided to establish strong physical security around the premises of the forensics lab.
Which of the following security measures helps the organization in providing strong physical security to the forensics lab?
- A. Do not maintain a log register at the entrance of the lab
- B. Never keep the lab under surveillance
- C. Never place fire extinguishers in and outside the lab
- D. Shield workstations from transmitting electromagnetic signals
Answer: D
Explanation:
Forensics labs handling highly sensitive investigations must protect evidence confidentiality and prevent unauthorized disclosure. Strong physical security includes not only access control and surveillance, but also protections againstelectromagnetic (EM) emanationrisks. Computers and displays can unintentionally emit electromagnetic signals that, under certain conditions, may be intercepted and reconstructed to reveal sensitive information (for example, case notes, recovered evidence content, or credentials). Digital forensics lab design guidance recognizes this as a real threat in high-sensitivity environments and recommendsEM shielding / TEMPEST-style controlswhere appropriate. Shielding workstations reduces the chance of data leakage through side-channel interception and helps ensure that confidential investigative activities cannot be monitored from outside controlled areas.
The other options directly weaken physical security and safety. Fire extinguishers are required for facility safety and risk management, so "never place" them is unsafe and contrary to secure lab standards. Not maintaining an entrance log register undermines chain-of-custody support and accountability by removing a basic access auditing mechanism. "Never keep the lab under surveillance" removes a core deterrent and detection control for unauthorized entry, evidence tampering, and theft. Therefore, shielding workstations from transmitting electromagnetic signals is the only option thatstrengthensphysical security for a sensitive forensics lab.
NEW QUESTION # 37
Which of the following files belonging to the Extensible Storage Engine (ESE) stores the mail data in Microsoft Exchange Server?
- A. WLCalendarStore.edb
- B. Database.edb
- C. DataStore.edb
- D. Mail.MSMessageStore
Answer: B
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 # 38
Which of the following techniques is defined as the art of hiding data "behind" other data without the target's knowledge, thereby hiding the existence of the message itself?
- A. Password cracking
- B. Artifact wiping
- C. Program packer
- D. Steganography
Answer: D
Explanation:
Steganographyis the technique of concealing a messagewithin another seemingly harmless carrier(such as an image, audio file, video, or document) so that theexistence of the hidden message is not apparentto an observer. Digital forensics references distinguish steganography from encryption: encryption scrambles content but usually leaves visible indicators that protected data exists (ciphertext), while steganography aims to make the communication look ordinary, reducing suspicion. In practice, steganographic methods often embed data into redundant or less perceptible parts of the carrier, such as modifying least significant bits in pixel values, altering frequency components in audio, or inserting data into metadata or unused file structures.
The other options do not match the definition.Password crackingis an access technique to recover authentication secrets, not a concealment method.Artifact wipingis an anti-forensics method intended to remove traces (logs, files, slack space remnants), but it does not "hide behind" other data-it destroys or overwrites evidence.Program packerscompress/obfuscate executables to hinder static analysis and detection, but they still produce an executable whose presence is evident; they do not primarily hide messages inside benign files. Therefore, the described "hiding the existence of the message itself" corresponds toSteganography (C).
NEW QUESTION # 39
Sandra, a hacker, targeted Johana, a software professional, to steal her banking details. She started sending frequent, random pop-up messages with malicious links to her social media page. Johana accidentally clicked on a link, causing a malicious program to get installed in her system. Subsequently, when Johana attempted to access her banking website, the URL redirected her to a malicious website controlled by Sandra. Johana entered her banking credentials on the fake website, which Sandra then captured.
Identify the type of attack performed by Sandra on Johana.
- A. Tailgating
- B. Pharming
- C. Shoulder surfing
- D. Dumpster diving
Answer: B
Explanation:
The scenario describes a victim beingredirected from a legitimate banking URL to a fraudulent websitewithout intending to visit it, after malware is installed on the system. This behavior is characteristic ofpharming, an attack in which an adversarycauses redirectionto a malicious destination even when the user types the correct address or clicks a legitimate bookmark. In digital forensics references, pharming is commonly achieved by manipulatingname resolution or routing mechanisms, such as altering the localhosts file, changingDNS server settings, poisoning DNS responses, modifying browser proxy settings, or installing malware that intercepts and rewrites web requests. The key forensic indicator is that the victim's request for the real domain is transparently diverted to attacker-controlled infrastructure, where credentials are harvested through a convincing spoofed login page.
The other options do not match the redirection-and-fake-site mechanism.Tailgatingis physical access abuse (following someone into a secure area).Dumpster divinginvolves retrieving sensitive information from discarded materials.Shoulder surfingis observing credentials by watching the victim type. Because the essential action here ismalicious redirection to a fake site to steal credentials, the correct answer isPharming (A).
NEW QUESTION # 40
Which of the following layers of the TCP/IP model includes protocols such as Frame Relay, SMDS, Fast Ethernet, SLIP, PPP, FDDI, ATM, Ethernet, and ARP to enable a machine to deliver the desired data to other hosts in the same network?
- A. Network access layer
- B. Transport layer
- C. Application layer
- D. Internet layer
Answer: A
Explanation:
The protocols listed-Frame Relay, SMDS, Fast Ethernet, SLIP, PPP, FDDI, ATM, Ethernet, and ARP- belong to the portion of the TCP/IP model responsible forlocal network deliveryand direct interaction with the physical media and link-layer addressing. In TCP/IP terminology, this is theNetwork Access layer(also called the Link layer or Network Interface layer). It combines functions that map closely to the OSIData LinkandPhysicallayers.
This layer is essential for delivering frames within the same network segment because it governs how devices access the medium (e.g., Ethernet), how frames are formatted and transmitted, and how hardware addressing works.ARP (Address Resolution Protocol)is especially important here: it resolvesIP addresses to MAC addressesso that an IP packet can be encapsulated into a link-layer frame and delivered to the correct local host or next-hop gateway. Technologies like PPP/SLIP support point-to-point links, while Frame Relay/ATM represent WAN/link technologies, all of which still sit under IP and provide the mechanisms for moving data across the immediate network path.
TheInternet layerhandles IP routing between networks, theTransport layerprovides end-to-end host communications (TCP/UDP), and theApplication layerprovides user protocols. Therefore, the correct layer isNetwork access layer (A).
NEW QUESTION # 41
Below are the various steps involved in forensic readiness planning.
Keep an incident response team ready to review the incident and preserve the evidence.
Create a process for documenting the procedure.
Identify the potential evidence required for an incident.
Determine the sources of evidence.
Establish a legal advisory board to guide the investigation process.
Identify if the incident requires full or formal investigation.
Establish a policy for securely handling and storing the collected evidence.
Define a policy that determines the pathway to legally extract electronic evidence with minimal disruption.
Identify the correct sequence of steps involved in forensic readiness planning.
- A. 3-->1-->4-->5-->8-->2-->6-->7
- B. 2-->3-->1-->4-->6-->5-->7-->8
- C. 3-->4-->8-->7-->6-->2-->5-->1
- D. 1-->2-->3-->4-->5-->6-->7-->8
Answer: C
Explanation:
Forensic readiness planning focuses on ensuring an organization canlegally, efficiently, and reliablycollect usable digital evidence before an incident occurs. The planning sequence typically begins by definingwhat evidence would be neededto support likely incidents (3) and then mappingwhere that evidence residesacross systems, services, logs, endpoints, and network components (4). Once evidence needs and sources are known, readiness requires alegally compliant extraction pathwaythat minimizes business disruption and prevents evidence contamination (8). After defining extraction, an organization must formalizesecure handling and storage policies(chain of custody, access control, retention, integrity protection) so collected evidence remains admissible and trustworthy (7).
With those foundations in place, the organization can define decision criteria forwhen an event becomes a formal investigationand triggers deeper forensic procedures (6). A structureddocumentation processis then set so actions taken during acquisition and analysis are repeatable and defensible (2). Governance is reinforced by establishinglegal oversight/advisory supportto ensure compliance with jurisdictional requirements and internal policy (5). Finally, the plan is operationalized by ensuring anincident response team is preparedto preserve evidence promptly when incidents occur (1). Hence,3#4#8#7#6#2#5#1is the correct sequence.
NEW QUESTION # 42
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