ECCouncil 312-49v11 (Computer Hacking Forensic Investigator) Practice Test 20

Question 190

A Windows user moved a file to the Recycle Bin and its original path and deletion time are needed. Which evidence area is pertinent?

  1. $Recycle.Bin records
  2. NTFS filename timestamps
  3. Master File Table
  4. NTFS $LogFile

Explanation

Correct Answer

A:

Recycle Bin metadata, including $I companion records on modern Windows, can retain original path and deletion information. Permanent deletion may bypass it.

Incorrect Answers

B:

The current inquiry asks about original filename and recycle time of a deleted item; NTFS can hold timestamps in multiple attributes, notably STANDARD_INFORMATION and FILE_NAME, with different update semantics; this mechanism chiefly addresses different timestamp behavior across NTFS attributes. Differences are leads requiring context, not automatic proof of tampering; it cannot prove original filename and recycle time of a deleted item on its own.

C:

In an inquiry concerning NTFS file record and attribute metadata, the MFT holds records describing files and directories, including attributes, names and storage mapping; the scope does not extend to original filename and recycle time of a deleted item. It is foundational for reconstructing deleted and active NTFS content; that issue cannot settle original filename and recycle time of a deleted item.

D:

Even though the scenario needs original filename and recycle time of a deleted item, $LogFile contains NTFS transactional logging information used for filesystem consistency; the action relates to NTFS metadata transaction activity. Its structure can reveal metadata operations but is not a complete user-activity diary; this remains insufficient for original filename and recycle time of a deleted item.

Question 191

A case concerns repeated or shared security descriptors associated with many NTFS objects. Which metadata file matters?

  1. NTFS $Secure
  2. NTFS hard links
  3. Master File Table
  4. NTFS USN journal

Explanation

Correct Answer

A:

$Secure stores security descriptor information used by NTFS and may support permissions analysis. It is not a record of every user login.

Incorrect Answers

B:

For questions about multiple names for the same NTFS file record, hard links are multiple directory entries pointing to the same file record; that differs from NTFS security descriptor storage. Deleting one link need not delete the file while another remains; it provides no direct answer to NTFS security descriptor storage.

C:

The stem asks about NTFS security descriptor storage; the MFT holds records describing files and directories, including attributes, names and storage mapping; the described operation is used for NTFS file record and attribute metadata. It is foundational for reconstructing deleted and active NTFS content; a determination about NTFS security descriptor storage requires other support.

D:

Instead of a method addressing NTFS security descriptor storage, the USN change journal records file-system changes by reason codes and file references, subject to rollover; this one concerns recent filesystem change events. It does not by itself contain full file contents; it cannot independently determine NTFS security descriptor storage.

Question 192

Two directory paths on the same NTFS volume refer to identical underlying file content without duplication. Which construct explains this?

  1. Alternate Data Stream
  2. NTFS hard links
  3. $Recycle.Bin records
  4. NTFS resident data

Explanation

Correct Answer

B:

Hard links are multiple directory entries pointing to the same file record. Deleting one link need not delete the file while another remains.

Incorrect Answers

A:

Although the case asks about multiple names for the same NTFS file record, NTFS alternate data streams associate multiple data attributes with a file; the action instead concerns content hidden in a named NTFS stream. Examiners need stream-aware tooling because a default view may reveal only the unnamed data stream; it does not establish multiple names for the same NTFS file record.

C:

When the investigative task is original filename and recycle time of a deleted item, recycle Bin metadata, including $I companion records on modern Windows, can retain original path and deletion information; that differs from the question about multiple names for the same NTFS file record. Permanent deletion may bypass it; that leaves multiple names for the same NTFS file record unresolved.

D:

The current inquiry asks about multiple names for the same NTFS file record; resident attributes store small data directly within an MFT record when space permits; this mechanism chiefly addresses tiny file contents stored inside filesystem metadata. Larger files generally use nonresident data runs; it cannot prove multiple names for the same NTFS file record on its own.

Question 193

A directory path redirects traversal to another location within the filesystem namespace. Which NTFS reparse-based mechanism could account for it?

  1. NTFS hard links
  2. NTFS junction
  3. NTFS resident data
  4. $Recycle.Bin records

Explanation

Correct Answer

B:

A junction is a reparse-point-based directory link that can redirect access to a target. Forensic tools must avoid assuming the apparent path necessarily stores local data.

Incorrect Answers

A:

The objective here is directory redirection through an NTFS reparse point; hard links are multiple directory entries pointing to the same file record; the option would instead inform multiple names for the same NTFS file record. Deleting one link need not delete the file while another remains; it is not direct evidence of directory redirection through an NTFS reparse point.

C:

With directory redirection through an NTFS reparse point as the investigative issue, resident attributes store small data directly within an MFT record when space permits; the result would concern tiny file contents stored inside filesystem metadata. Larger files generally use nonresident data runs; this would not resolve directory redirection through an NTFS reparse point.

D:

For questions about original filename and recycle time of a deleted item, recycle Bin metadata, including $I companion records on modern Windows, can retain original path and deletion information; that differs from directory redirection through an NTFS reparse point. Permanent deletion may bypass it; it provides no direct answer to directory redirection through an NTFS reparse point.

Question 194

A very small file's content is found entirely inside its MFT record. Which NTFS attribute layout permits this?

  1. Alternate Data Stream
  2. NTFS resident data
  3. NTFS hard links
  4. NTFS junction

Explanation

Correct Answer

B:

Resident attributes store small data directly within an MFT record when space permits. Larger files generally use nonresident data runs.

Incorrect Answers

A:

A case involving content hidden in a named NTFS stream might use this approach: NTFS alternate data streams associate multiple data attributes with a file; the required result here is tiny file contents stored inside filesystem metadata. Examiners need stream-aware tooling because a default view may reveal only the unnamed data stream; it cannot replace proof about tiny file contents stored inside filesystem metadata.

C:

Although the case asks about tiny file contents stored inside filesystem metadata, hard links are multiple directory entries pointing to the same file record; the action instead concerns multiple names for the same NTFS file record. Deleting one link need not delete the file while another remains; it does not establish tiny file contents stored inside filesystem metadata.

D:

For an analysis centered on directory redirection through an NTFS reparse point, a junction is a reparse-point-based directory link that can redirect access to a target; the present need is tiny file contents stored inside filesystem metadata. Forensic tools must avoid assuming the apparent path necessarily stores local data; a different finding about tiny file contents stored inside filesystem metadata is still needed.

Question 195

Two timestamp sets on one NTFS file disagree after a rename or copy. Which investigative principle best explains the need to compare attributes?

  1. NTFS filename timestamps
  2. NTFS $Secure
  3. $Recycle.Bin records
  4. NTFS junction

Explanation

Correct Answer

A:

NTFS can hold timestamps in multiple attributes, notably STANDARD_INFORMATION and FILE_NAME, with different update semantics. Differences are leads requiring context, not automatic proof of tampering.

Incorrect Answers

B:

For the separate question of NTFS security descriptor storage, $Secure stores security descriptor information used by NTFS and may support permissions analysis; the requested assessment of different timestamp behavior across NTFS attributes remains open. It is not a record of every user login; there is no direct finding about different timestamp behavior across NTFS attributes.

C:

The objective here is different timestamp behavior across NTFS attributes; recycle Bin metadata, including $I companion records on modern Windows, can retain original path and deletion information; the option would instead inform original filename and recycle time of a deleted item. Permanent deletion may bypass it; it is not direct evidence of different timestamp behavior across NTFS attributes.

D:

For a separate investigation of directory redirection through an NTFS reparse point, a junction is a reparse-point-based directory link that can redirect access to a target; that is not the determination of different timestamp behavior across NTFS attributes in the stem. Forensic tools must avoid assuming the apparent path necessarily stores local data; the evidence still must speak to different timestamp behavior across NTFS attributes.

Question 196

A Linux examiner has an inode number and needs file ownership, mode, times and block mapping. Which structure carries these fields?

  1. Ext inode
  2. Linux extended attributes
  3. Unix device file
  4. Ext4 deletion limits

Explanation

Correct Answer

A:

An inode stores core ext filesystem metadata and pointers or extents to data. Directory entries connect human-readable names to inode numbers.

Incorrect Answers

B:

In work concerning metadata attached beyond standard Unix inode fields, extended attributes store additional name-value metadata such as security contexts and user attributes; the operation would not resolve file metadata separate from directory names. Ordinary permission-bit inspection alone may miss their evidentiary role; the distinction leaves file metadata separate from directory names unsettled.

C:

A case involving filesystem entry exposing a kernel device might use this approach: device nodes expose kernel device interfaces using major/minor numbers; the required result here is file metadata separate from directory names. Reading them can access devices, so they should not be treated as ordinary archived user files; it cannot replace proof about file metadata separate from directory names.

D:

The required finding is about file metadata separate from directory names; ext4 deletion may clear extent mapping and later reuse blocks, depending on operations and mount state; this addresses the separate concern of recovery constraints after ext4 file deletion. Recovery is not assured merely because free space exists; it does not by itself answer file metadata separate from directory names.

Question 197

A removed filename is missing but investigators know its parent directory block. Which ext structure links a name to an inode?

  1. Symbolic link
  2. Ext journal
  3. Ext directory entry
  4. Linux extended attributes

Explanation

Correct Answer

C:

Directory entries map names to inode numbers and may leave recoverable remnants after changes. An inode alone does not preserve every historical filename.

Incorrect Answers

A:

The current inquiry asks about name-to-inode mapping within a directory; a symbolic link stores a pathname reference rather than sharing the target inode directly; this mechanism chiefly addresses path-based Unix filesystem redirection. It can refer across filesystems and become dangling if the target disappears; it cannot prove name-to-inode mapping within a directory on its own.

B:

In an inquiry concerning recent filesystem metadata transactions, journaling records transaction-related metadata for consistency recovery, subject to mode and retention; the scope does not extend to name-to-inode mapping within a directory. It should not be treated as a complete immutable audit trail; that issue cannot settle name-to-inode mapping within a directory.

D:

For the separate question of metadata attached beyond standard Unix inode fields, extended attributes store additional name-value metadata such as security contexts and user attributes; the requested assessment of name-to-inode mapping within a directory remains open. Ordinary permission-bit inspection alone may miss their evidentiary role; there is no direct finding about name-to-inode mapping within a directory.

Question 198

A large ext4 file occupies long contiguous ranges of blocks. Which structure compactly describes those ranges?

  1. Unix permission bits
  2. Ext4 extent
  3. Linux extended attributes
  4. Symbolic link

Explanation

Correct Answer

B:

Extents represent contiguous logical-to-physical block ranges more efficiently than individual pointers. Ext4 uses extent trees for many files.

Incorrect Answers

A:

For questions about basic Unix read-write-execute authorization, owner, group and other mode bits govern traditional Unix access; that differs from contiguous data block ranges in ext4. They are part of inode metadata and differ from the shell command history of a user; it provides no direct answer to contiguous data block ranges in ext4.

C:

Instead of a method addressing contiguous data block ranges in ext4, extended attributes store additional name-value metadata such as security contexts and user attributes; this one concerns metadata attached beyond standard Unix inode fields. Ordinary permission-bit inspection alone may miss their evidentiary role; it cannot independently determine contiguous data block ranges in ext4.

D:

In work concerning path-based Unix filesystem redirection, a symbolic link stores a pathname reference rather than sharing the target inode directly; the operation would not resolve contiguous data block ranges in ext4. It can refer across filesystems and become dangling if the target disappears; the distinction leaves contiguous data block ranges in ext4 unsettled.

Question 199

A crashed ext filesystem may contain recently logged metadata updates useful for recovery. Which feature helps?

  1. Ext journal
  2. Unix permission bits
  3. Ext4 deletion limits
  4. Unix device file

Explanation

Correct Answer

A:

Journaling records transaction-related metadata for consistency recovery, subject to mode and retention. It should not be treated as a complete immutable audit trail.

Incorrect Answers

B:

When the investigative task is basic Unix read-write-execute authorization, owner, group and other mode bits govern traditional Unix access; that differs from the question about recent filesystem metadata transactions. They are part of inode metadata and differ from the shell command history of a user; that leaves recent filesystem metadata transactions unresolved.

C:

The current inquiry asks about recent filesystem metadata transactions; ext4 deletion may clear extent mapping and later reuse blocks, depending on operations and mount state; this mechanism chiefly addresses recovery constraints after ext4 file deletion. Recovery is not assured merely because free space exists; it cannot prove recent filesystem metadata transactions on its own.

D:

In an inquiry concerning filesystem entry exposing a kernel device, device nodes expose kernel device interfaces using major/minor numbers; the scope does not extend to recent filesystem metadata transactions. Reading them can access devices, so they should not be treated as ordinary archived user files; that issue cannot settle recent filesystem metadata transactions.

Question 200

A file is readable by its owner but not by unrelated users, independent of any ACL extensions. Which metadata implements the basic rule?

  1. Unix permission bits
  2. Symbolic link
  3. Ext4 extent
  4. Ext journal

Explanation

Correct Answer

A:

Owner, group and other mode bits govern traditional Unix access. They are part of inode metadata and differ from the shell command history of a user.

Incorrect Answers

B:

With basic Unix read-write-execute authorization as the investigative issue, a symbolic link stores a pathname reference rather than sharing the target inode directly; the result would concern path-based Unix filesystem redirection. It can refer across filesystems and become dangling if the target disappears; this would not resolve basic Unix read-write-execute authorization.

C:

For questions about contiguous data block ranges in ext4, extents represent contiguous logical-to-physical block ranges more efficiently than individual pointers; that differs from basic Unix read-write-execute authorization. Ext4 uses extent trees for many files; it provides no direct answer to basic Unix read-write-execute authorization.

D:

The stem asks about basic Unix read-write-execute authorization; journaling records transaction-related metadata for consistency recovery, subject to mode and retention; the described operation is used for recent filesystem metadata transactions. It should not be treated as a complete immutable audit trail; a determination about basic Unix read-write-execute authorization requires other support.

Computer Hacking Forensic Investigator (312-49v11) Practice Tests