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NEW QUESTION # 12
A forensic investigator is acquiring evidence from an iPhone.
What should the investigator ensure before the iPhone is connected to the computer?

• A. That the phone is powered off
• B. That the phone has root privilege
• C. That the phone is in jailbreak mode
• D. That the phone avoids syncing with the computer

Answer: D

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Before connecting an iPhone to a forensic workstation, the investigator must ensure that the phone doesnotsync with the computer automatically. Automatic syncing may alter, delete, or overwrite evidence stored on the device or the computer, compromising forensic integrity.
* Jailbreak mode is not necessary and can complicate forensic analysis.
* Powering off the device prevents acquisition of volatile data.
* Root privileges (jailbreak) may aid access but are not mandatory before connection.
NIST mobile device forensic guidelines emphasize disabling automatic sync to preserve data integrity during acquisition.

NEW QUESTION # 13
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 # 14
Which type of information does a Windows SAM file contain?

• A. Encrypted network passwords
• B. Hash of network passwords
• C. Hash of local Windows passwords
• D. Encrypted local Windows passwords

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The Windows Security Account Manager (SAM) file stores hashed passwords for local Windows user accounts. These hashes are used to authenticate users without storing plaintext passwords.
* The SAM file stores local account password hashes, not network passwords.
* Passwords are hashed (not encrypted) using algorithms like NTLM or LM hashes.
* Network password management occurs elsewhere (e.g., Active Directory).
Reference:NIST SP 800-86 and standard Windows forensics texts explain that the SAM file contains hashed local account credentials critical for forensic investigations involving Windows systems.

NEW QUESTION # 15
Tom saved a message using the least significant bit (LSB) method in a sound file and uploaded this sound to his own website.
What is the carrier in this example?

• A. The least significant bit method
• B. The sound file
• C. Tom's website
• D. The message

Answer: B

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
In steganography, the carrier is the file or medium used to hide the secret message. In this example, the sound file is the carrier because it contains the hidden message embedded using the least significant bit method. The message is the payload, and the website is merely the distribution platform.
* LSB is the embedding technique, not the carrier.
* The message is the payload, not the carrier.
* The website is not involved in data hiding.
NIST and steganography references clearly define the carrier as the container holding the hidden data.

NEW QUESTION # 16
A USB flash drive was seized as evidence to be entered into a trial.
Which type of evidence is this USB flash drive?

• A. Documentary
• B. Demonstrative
• C. Real
• D. Testimonial

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 # 17
The following line of code is an example of how to make a forensic copy of a suspect drive:
dd if=/dev/mem of=/evidence/image.memory1
Which operating system should be used to run this command?

• A. Windows
• B. MacOS
• C. Unix
• D. Linux

Answer: D

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The 'dd' command is a Unix/Linux utility used to perform low-level copying of data, including forensic imaging. It allows bit-for-bit copying of drives or memory, making it a common tool in Linux-based forensic environments.
* Windows does not natively support 'dd'; similar imaging tools are used there.
* The command syntax and file paths indicate Linux/Unix usage.
Reference:Digital forensics training and NIST SP 800-101 mention 'dd' as a reliable imaging tool in Linux forensic workflows.

NEW QUESTION # 18
A cybercriminal hacked into an Apple iPad that belongs to a company's chief executive officer (CEO). The cybercriminal deleted some important files on the data volume that must be retrieved.
Which hidden folder will contain the digital evidence?

• A. /lost+found
• B. /Private/etc
• C. /.Trashes/501
• D. /etc

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
On Apple iOS devices, deleted files are often moved to a hidden Trash folder before permanent deletion. The directory/.Trashes/501is a hidden folder where deleted files for user ID 501 (the first user created on macOS
/iOS devices) are temporarily stored.
* This folder can contain files marked for deletion and thus is a prime location for recovery attempts.
* /lost+foundis a directory commonly used on Unix/Linux file systems for recovered file fragments after file system corruption but is not the default trash location on iOS.
* /Private/etcand/etccontain system configuration files, not deleted user files.
Reference:Apple forensic investigations per NIST and training manuals such as those from Cellebrite and BlackBag Technologies indicate that user-deleted files on iOS devices reside in.Trashesor similar hidden directories until permanently removed.

NEW QUESTION # 19
Which law includes a provision permitting the wiretapping of VoIP calls?

• A. Communications Assistance to Law Enforcement Act (CALEA)
• B. Health Insurance Portability and Accountability Act (HIPAA)
• C. Electronic Communications Privacy Act (ECPA)
• D. Stored Communications Act

Answer: A

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 # 20
Which characteristic applies to solid-state drives (SSDs) compared to magnetic drives?

• A. They are generally slower
• B. They have moving parts
• C. They have a lower cost per gigabyte
• D. They are less susceptible to damage

Answer: D

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Solid-state drives (SSDs) use flash memory and have no moving mechanical parts, making them more resistant to physical shock and damage compared to magnetic drives, which rely on spinning platters.
* This resilience makes SSDs favorable in environments with higher physical risk.
* However, data recovery from SSDs can be more complex due to wear-leveling and TRIM features.
Reference:NIST and forensic hardware guides highlight SSD durability advantages over traditional magnetic storage.

NEW QUESTION # 21
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 remove any malware.
• B. Make a forensic copy of the computer's hard drive.
• C. Turn the computer on and photograph the desktop.
• D. Carefully review the chain of custody form.

Answer: D

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 # 22
A forensic investigator needs to know which file type to look for in order to find emails from a specific client.
Which file extension is used by Eudora?

• A. .pst
• B. .mbx
• C. .dbx
• D. .ost

Answer: B

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Eudora email client uses the.mbxfile extension to store email messages. The.mbxformat stores emails in a mailbox file similar to the standard mbox format used by other email clients.
* .dbxis used by Microsoft Outlook Express.
* .ostand.pstare file types used by Microsoft Outlook.
* Therefore,.mbxis specific to Eudora.
Reference:Digital forensics literature and software documentation clearly indicate Eudora's.mbxfile format as the repository for its email storage.

NEW QUESTION # 23
Which tool should be used with sound files, video files, and image files?

• A. StegVideo
• B. Stealth Files 4
• C. Snow
• D. MP3Stego

Answer: A

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
StegVideo is a steganographic tool designed to embed hidden messages within multimedia files such as sound, video, and image files, making it suitable for multi-media steganography.
* Snow is mainly used for text-based steganography.
* MP3Stego is specialized for MP3 audio files only.
* Stealth Files 4 is a general steganography tool but less commonly referenced for multimedia.
Forensic and academic sources identify StegVideo as a tool for multimedia steganography, useful in complex digital investigations.

NEW QUESTION # 24
Which principle of evidence collection states that access to evidence must be tracked from the time it is seized through its use in court?

• A. Evidence record
• B. Event log
• C. Chain of custody
• D. Audit log

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The Chain of Custody (CoC) is the documented and unbroken transfer record of evidence handling, from seizure to presentation in court. It ensures that the evidence has been preserved, controlled, and protected from tampering or alteration.
* Evidence record documents evidence details but is less formal than CoC.
* Event log and audit log are system-generated records and do not replace the formal CoC.
* CoC is a fundamental forensic principle as outlined by NIST SP 800-86 and the Scientific Working Group on Digital Evidence (SWGDE) best practices, ensuring evidence admissibility and reliability in legal proceedings.

NEW QUESTION # 25
Where does Windows store passwords for local user accounts?

• A. Security file in Windows\System32
• B. SAM file in Windows\System32
• C. HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Profiles
• D. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WZCSVC\Parameters\Interfaces

Answer: B

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Windows stores the hashes of local user account passwords in the SAM (Security Account Manager) file, which is located in theWindows\System32\configdirectory. This file is a critical component in the Windows security infrastructure.
* The registry paths in A and B refer to network profiles and wireless configuration data, unrelated to password storage.
* The "Security" file also resides in theSystem32\configfolder but stores security policy data rather than password hashes.
* The SAM file stores password hashes and is targeted in forensic investigations for credential recovery.
Reference:Microsoft technical documentation and NIST digital forensics standards explain that the SAM file is the definitive source for local user password hashes in Windows systems.

NEW QUESTION # 26
The chief executive officer (CEO) of a small computer company has identified a potential hacking attack from an outside competitor.
Which type of evidence should a forensics investigator use to identify the source of the hack?

• A. File system metadata
• B. Email archives
• C. Browser history
• D. Network transaction logs

Answer: D

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Network transaction logs capture records of network connections, including source and destination IP addresses, ports, and timestamps. These logs are essential in identifying the attacker's origin and understanding the nature of the intrusion.
* Network logs provide traceability back to the attacker.
* Forensic procedures prioritize collecting network logs to identify unauthorized access.
Reference:NIST SP 800-86 discusses the importance of network logs in digital investigations to attribute cyberattacks.

NEW QUESTION # 27
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