The Realest Study Materials Digital-Forensics-in-Cybersecurity Dumps Updated Oct 01, 2025
LATEST Digital-Forensics-in-Cybersecurity Exam Practice Material
NEW QUESTION # 45
A forensic specialist is about to collect digital evidence from a suspect's computer hard drive. The computer is off.
What should be the specialist's first step?
- A. Turn the computer on and photograph the desktop.
- B. Carefully review the chain of custody form.
- C. Turn the computer on and remove any malware.
- D. Make a forensic copy of the computer's hard drive.
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Before any action on evidence, especially when seizing or processing digital devices, the forensic specialist must first carefully review and document the chain of custody (CoC) to ensure proper handling and legal compliance. This includes verifying seizure procedures and documenting the status of the device before any interaction.
* Turning the computer on prematurely risks altering or destroying volatile data.
* Making a forensic copy (imaging) can only happen after proper documentation and preservation steps.
* Photographing the desktop is relevant only after power-on but only if approved and documented.
This process aligns with NIST guidelines (SP 800-86) and the Scientific Working Group on Digital Evidence (SWGDE) principles emphasizing preservation and documentation as foundational steps.
NEW QUESTION # 46
Which tool identifies the presence of steganography?
- A. ComputerCOP
- B. DiskDigger
- C. Disk Investigator
- D. Forensic Toolkit (FTK)
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Disk Investigator is a forensic tool that can analyze disk images and file systems to identify hidden data, including the presence of steganography by examining slack space, hidden files, and embedded data.
* DiskDigger is mainly a data recovery tool.
* FTK is a comprehensive forensic suite but does not specialize in steganography detection.
* ComputerCOP is a parental control software, not a forensic tool.
Digital forensic best practices recognize Disk Investigator as useful for detecting steganographic content in files and disk areas.
NEW QUESTION # 47
An employee sends an email message to a fellow employee. The message is sent through the company's messaging server.
Which protocol is used to send the email message?
- A. IMAP
- B. POP3
- C. SMTP
- D. SNMP
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
SMTP (Simple Mail Transfer Protocol) is the protocol used to send email messages from a client to a mail server or between mail servers. It handles the transmission of outgoing mail. IMAP and POP3 are protocols used for retrieving email, not sending it. SNMP is used for network management.
* IMAP and POP3 are for receiving emails.
* SNMP is unrelated to email delivery.
This is documented in RFC 5321 and supported by all standard email system operations, including forensic analyses.
NEW QUESTION # 48
A digital forensic examiner receives a computer used in a hacking case. The examiner is asked to extract information from the computer's Registry.
How should the examiner proceed when obtaining the requested digital evidence?
- A. Download a tool from a hacking website to extract the data
- B. Investigate whether the computer was properly seized
- C. Enlist a colleague to witness the investigative process
- D. Ensure that any tools and techniques used are widely accepted
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
In digital forensics, the use of reliable, validated, and widely accepted tools and techniques is critical to maintain the integrity and admissibility of digital evidence. According to the National Institute of Standards and Technology (NIST) guidelines and the Scientific Working Group on Digital Evidence (SWGDE) standards, any forensic process must utilize methods that are recognized by the forensic community and have undergone rigorous testing to ensure accuracy and reliability.
* Using validated tools helps prevent evidence contamination or loss and ensures that results can withstand legal scrutiny.
* While proper seizure and witnessing are important, the priority in the extraction phase is to use appropriate, trusted tools.
* Downloading tools from unauthorized or suspicious sources can compromise the evidence and is not an ethical or legal practice.
Reference:NIST SP 800-101 (Guidelines on Mobile Device Forensics) and SWGDE Best Practices emphasize tool validation and adherence to community-accepted methods as foundational principles in forensic examination.
NEW QUESTION # 49
A forensics investigator is investigating a Windows computer which may be collecting data from other computers on the network.
Which Windows command line tool can be used to determine connections between machines?
- A. Netstat
- B. Telnet
- C. Xdetect
- D. Openfiles
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Netstatis a standard Windows command line utility that displays active network connections, routing tables, and network interface statistics. It is widely used in forensic investigations to identify current and past TCP/IP connections, including IP addresses and port numbers associated with remote hosts. This information helps investigators identify if the suspect computer has active connections to other machines potentially used for data collection or command and control.
* Telnet is a protocol used to connect to remote machines but does not display current network connections.
* Openfiles shows files opened remotely but not network connection details.
* Xdetect is not a standard Windows tool and not recognized in forensic investigations.
Reference:According to NIST SP 800-86 and SANS Digital Forensics guidelines,netstatis an essential tool for gathering network-related evidence during system investigations.
NEW QUESTION # 50
A USB flash drive was seized as evidence to be entered into a trial.
Which type of evidence is this USB flash drive?
- A. Demonstrative
- B. Testimonial
- C. Real
- D. Documentary
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Real evidence (also called physical evidence) refers to tangible objects that are involved in the crime or relevant to the investigation. A USB flash drive is physical evidence because it is an actual device containing potentially relevant digital data.
* Documentary evidence refers to written or recorded information, not physical devices.
* Demonstrative evidence is used to illustrate or clarify facts (e.g., models, charts).
* Testimonial evidence is oral or written statements provided by witnesses.
Reference:Digital forensics principles and legal evidentiary classifications (as outlined by NIST and court- admissibility guidelines) clearly categorize physical devices like USB drives as real evidence.
NEW QUESTION # 51
A company has identified that a hacker has modified files on one of the company's computers. The IT department has collected the storage media from the hacked computer.
Which evidence should be obtained from the storage media to identify which files were modified?
- A. File timestamps
- B. Public IP addresses
- C. Private IP addresses
- D. Operating system version
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
File timestamps, including creation time, last modified time, and last accessed time, are fundamental metadata attributes stored with each file on a file system. When files are modified, these timestamps usually update, providing direct evidence about when changes occurred. Examining file timestamps helps forensic investigators identify which files were altered and estimate the time of unauthorized activity.
* IP addresses (private or public) are network-related evidence, not stored on the storage media's files directly.
* Operating system version is system information but does not help identify specific file modifications.
* Analysis of file timestamps is a standard forensic technique endorsed by NIST SP 800-86 (Guide to Integrating Forensic Techniques into Incident Response) for determining file activity and changes on digital media.
NEW QUESTION # 52
Which U.S. law criminalizes the act of knowingly using a misleading domain name with the intent to deceive a minor into viewing harmful material?
- A. 18 U.S.C. 2252B
- B. Communications Assistance to Law Enforcement Act (CALEA)
- C. Electronic Communications Privacy Act (ECPA)
- D. The Privacy Protection Act (PPA)
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Title 18 U.S.C. ยง 2252B addresses the criminal offense of using misleading domain names with the intent to deceive minors into accessing harmful material. This law specifically targets online behavior designed to exploit or expose minors to inappropriate content.
* It is part of broader child protection statutes.
* Enforcement requires digital evidence linking domain misuse to the intent.
Reference:Federal statutes and legal frameworks on cybercrime emphasize the applicability of 18 U.S.C.
2252B in prosecuting online deception aimed at minors.
NEW QUESTION # 53
A forensic examiner is reviewing a laptop running OS X which has been compromised. The examiner wants to know if any shell commands were executed by any of the accounts.
Which log file or folder should be reviewed?
- A. /var/log
- B. /Users/<user>/Library/Preferences
- C. /var/vm
- D. /Users/<user>/.bash_history
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The.bash_historyfile located in each user's home directory (e.g.,/Users/<user>/.bash_history) records the history of shell commands entered by the user in bash shell sessions. Reviewing this file allows investigators to see the commands executed by a specific user.
* /var/vmcontains virtual memory swap files, not command history.
* /var/logcontains system logs but not individual user shell command history.
* /Users/<user>/Library/Preferencesstores application preferences.
NIST guidelines and macOS forensics literature confirm.bash_historyas the standard location for shell command histories on OS X systems.
NEW QUESTION # 54
A forensic scientist is examining a computer for possible evidence of a cybercrime.
Why should the forensic scientist copy files at the bit level instead of the OS level when copying files from the computer to a forensic computer?
- A. Copying files at the OS level changes the timestamp of the files.
- B. Copying files at the OS level takes too long to be practical.
- C. Copying files at the OS level fails to copy deleted files or slack space.
- D. Copying files at the OS level will copy extra information that is unnecessary.
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Bit-level (or bit-stream) copying captures every bit on the storage media, including files, deleted files, slack space (unused space within a cluster), and unallocated space. This ensures all digital evidence, including artifacts not visible at the OS level, is preserved for analysis.
* Copying at the OS level captures only allocated files visible in the file system, missing deleted files and slack space.
* Bit-level copying is a cornerstone of forensic best practices as specified in NIST SP 800-86 and SWGDE guidelines.
* Timestamp changes and unnecessary information issues are secondary concerns compared to the completeness of evidence.
NEW QUESTION # 55
Which law includes a provision permitting the wiretapping of VoIP calls?
- A. Stored Communications Act
- B. Electronic Communications Privacy Act (ECPA)
- C. Communications Assistance to Law Enforcement Act (CALEA)
- D. Health Insurance Portability and Accountability Act (HIPAA)
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The Communications Assistance to Law Enforcement Act (CALEA) mandates telecommunications carriers to assist law enforcement in executing authorized wiretaps, including on Voice over IP (VoIP) calls, ensuring lawful interception capabilities.
* CALEA requires built-in surveillance capabilities in communications systems.
* It balances privacy rights with law enforcement needs.
Reference:CALEA is cited in digital forensics and cybersecurity standards relating to lawful interception capabilities.
NEW QUESTION # 56
Which information is included in an email header?
- A. Message-Digest
- B. Number of pages
- C. Sender's MAC address
- D. Content-Type
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
An email header contains metadata about the email including sender, receiver, routing information, and content details. TheContent-Typeheader specifies the media type of the email body (e.g., text/plain, text/html, multipart/mixed), indicating how the email content should be interpreted.
* Sender's MAC address is not typically included in email headers.
* Number of pages is not relevant to email metadata.
* Message-Digest is a term related to cryptographic hashes but is not a standard email header field.
Reference:RFC 5322 and forensic email analysis references outline that email headers contain fields likeContent-Typedescribing the format of the message content, essential for proper parsing and forensic examination.
NEW QUESTION # 57
While collecting digital evidence from a running computer involved in a cybercrime, the forensic investigator makes a list of items that need to be collected.
Which piece of digital evidence should be collected first?
- A. Security logs
- B. Recently accessed files
- C. Chat room logs
- D. Temporary Internet files
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
When collecting evidence from a running system, volatile and critical evidence such as security logs should be collected first as they are most susceptible to being overwritten or lost. Security logs may contain valuable information on unauthorized access or malicious activity.
* Chat room logs, recently accessed files, and temporary internet files are important but often less volatile or can be recovered from disk later.
* NIST SP 800-86 and SANS Incident Response Guidelines prioritize the collection of volatile logs and memory contents first.
This approach helps ensure preservation of time-sensitive data critical for forensic analysis.
NEW QUESTION # 58
How do forensic specialists show that digital evidence was handled in a protected, secure manner during the process of collecting and analyzing the evidence?
- A. By maintaining the chain of custody
- B. By performing backups
- C. By deleting temporary files
- D. By encrypting all evidence
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The chain of custody is a documented, chronological record detailing the seizure, custody, control, transfer, analysis, and disposition of evidence. Maintaining this record proves that the evidence was protected and unaltered, which is essential for court admissibility.
* Each transfer or access must be logged with date, time, and handler.
* Breaks in the chain can compromise the legal validity of evidence.
Reference:According to NIST and forensic best practices, the chain of custody documentation is mandatory for reliable evidence handling.
NEW QUESTION # 59
The chief information officer of an accounting firm believes sensitive data is being exposed on the local network.
Which tool should the IT staff use to gather digital evidence about this security vulnerability?
- A. Sniffer
- B. Packet filter
- C. Antivirus
- D. Firewall
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
A sniffer, also known as a packet analyzer, captures network traffic in real time and allows IT staff to monitor and analyze data packets passing through the network. This is crucial when investigating potential data leaks or network vulnerabilities. Using a sniffer helps identify unauthorized transmissions of sensitive data and trace suspicious activity at the packet level.
* Sniffers collect raw network data which can be analyzed for patterns or anomalies.
* According to NIST guidelines on network forensics, packet capture tools (sniffers) are essential in gathering digital evidence related to network security incidents.
Reference:NIST Special Publication 800-86 (Guide to Integrating Forensic Techniques into Incident Response) highlights the importance of sniffers in network-based investigations.
NEW QUESTION # 60
Which directory contains the system's configuration files on a computer running Mac OS X?
- A. /etc
- B. /bin
- C. /cfg
- D. /var
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The/etcdirectory on Unix-based systems, including macOS, contains important system configuration files and scripts. It is the standard location for system-wide configuration data.
* /varcontains variable data like logs and spool files.
* /bincontains essential binary executables.
* /cfgis not a standard directory in macOS.
This is standard Unix/Linux directory structure knowledge and is reflected in NIST and forensic references for macOS.
NEW QUESTION # 61
Which term describes the used space between the end of a file and the end of the last cluster assigned to the file?
- A. Volume slack
- B. File slack
- C. Host protected area
- D. Unallocated space
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
File slack is the space between the logical end of a file and the physical end of the last cluster allocated to the file. This space may contain residual data from previously deleted files or fragments, making it significant in forensic investigations.
* Unallocated space refers to clusters not currently assigned to any file.
* Volume slack includes slack space at the volume level but is less specific.
* Host protected area is a reserved part of the disk for system use, unrelated to slack space.
* File slack is a recognized forensic artifact often examined for hidden data or remnants.
Reference:This concept is extensively described in forensic textbooks and NIST publications on file systems, including SP 800-86 and SWGDE best practices.
NEW QUESTION # 62
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