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Exam Code: 010-160

Exam Name Linux Essentials Certificate Exam, version 1.6

Certification Provider: LPI

Corresponding Certification: Linux Essentials

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Linux Essentials Certificate Exam, version 1.6 (010-160) Practice Tests

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LPI 010-160 Practice Test 59

Question 580

A user has read permission on a directory but cannot reach a known file path within it. One student proposes Grant appropriate execute permission on the directory after authorization and another proposes Run ls -l target.txt. Which technical comparison is the soundest?

  1. Run ls -l target.txt is more directly suited to directory traverse permission than Grant appropriate execute permission on the directory after authorization, regardless of the stated constraint.
  2. The two actions are interchangeable for directory traverse permission and necessarily have the same main result.
  3. Run chmod u+x deploy.sh is the only useful action for directory traverse permission; Grant appropriate execute permission on the directory after authorization has no relevant effect.
  4. Grant appropriate execute permission on the directory after authorization is used because Directory execute permission permits path traversal or searching entries by name. The alternative Run ls -l target.txt addresses inspect rwx permission bits instead.

Explanation

Correct Answer

D:

Correct distinction: Grant appropriate execute permission on the directory after authorization targets directory traverse permission; Directory execute permission permits path traversal or searching entries by name. The compared alternative instead serves inspect rwx permission bits.

Incorrect Answers

A:

Incorrect mapping: Run ls -l target.txt is used for inspect rwx permission bits. It does not displace Grant appropriate execute permission on the directory after authorization for the described requirement.

B:

The mechanisms are different: Directory execute permission permits path traversal or searching entries by name. By contrast, The long listing displays the rwx mode string and owner/group columns. They are not universally interchangeable.

C:

The third option addresses make owner script executable: The symbolic u+x form adds execute permission for the owning user. The original action remains relevant because Directory execute permission permits path traversal or searching entries by name.

Question 581

New files should normally be inaccessible to others and not writable by the group, subject to default creation modes. Which action most directly addresses this requirement on a Linux-related system?

  1. Run ls -l target.txt
  2. Set umask 027 in the shell session
  3. Run chmod u+x deploy.sh
  4. Run chmod 640 report.txt

Explanation

Correct Answer

B:

Correct for restrict default creation mask: A 027 mask removes group write and all other permissions from newly created file/directory modes.

Incorrect Answers

A:

This action targets inspect rwx permission bits: The long listing displays the rwx mode string and owner/group columns. The stated task instead calls for restrict default creation mask.

C:

This action targets make owner script executable: The symbolic u+x form adds execute permission for the owning user. The stated task instead calls for restrict default creation mask.

D:

This action targets restrict confidential file mode: Mode 640 grants rw- to owner, r-- to group and --- to others. The stated task instead calls for restrict default creation mask.

Question 582

An operator follows this instruction: Set umask 027 in the shell session. For the task described as "restrict default creation mask", what is the most accurate expected result?

  1. The long listing displays the rwx mode string and owner/group columns.
  2. The symbolic u+x form adds execute permission for the owning user.
  3. A 027 mask removes group write and all other permissions from newly created file/directory modes.
  4. Mode 640 grants rw- to owner, r-- to group and --- to others.

Explanation

Correct Answer

C:

Correct consequence of Set umask 027 in the shell session. This outcome explains its use for restrict default creation mask.

Incorrect Answers

A:

This outcome belongs to inspect rwx permission bits and would follow Run ls -l target.txt; it is not the principal result of Set umask 027 in the shell session.

B:

This outcome belongs to make owner script executable and would follow Run chmod u+x deploy.sh; it is not the principal result of Set umask 027 in the shell session.

D:

This outcome belongs to restrict confidential file mode and would follow Run chmod 640 report.txt; it is not the principal result of Set umask 027 in the shell session.

Question 583

New files should normally be inaccessible to others and not writable by the group, subject to default creation modes. A teammate tries this different approach instead: Run ls -l target.txt. The requirement is still unmet. Which corrective action should replace the misapplied approach?

  1. Run ls -l target.txt
  2. Run chmod u+x deploy.sh
  3. Run chmod 640 report.txt
  4. Set umask 027 in the shell session

Explanation

Correct Answer

D:

Replace the attempt with this step: A 027 mask removes group write and all other permissions from newly created file/directory modes. It fits restrict default creation mask.

Incorrect Answers

A:

This step is specific to inspect rwx permission bits: The long listing displays the rwx mode string and owner/group columns. It does not fix the stated requirement for restrict default creation mask.

B:

This step is specific to make owner script executable: The symbolic u+x form adds execute permission for the owning user. It does not fix the stated requirement for restrict default creation mask.

C:

This step is specific to restrict confidential file mode: Mode 640 grants rw- to owner, r-- to group and --- to others. It does not fix the stated requirement for restrict default creation mask.

Question 584

New files should normally be inaccessible to others and not writable by the group, subject to default creation modes. One student proposes Set umask 027 in the shell session and another proposes Run chmod u+x deploy.sh. Which technical comparison is the soundest?

  1. Set umask 027 in the shell session is used because A 027 mask removes group write and all other permissions from newly created file/directory modes. The alternative Run chmod u+x deploy.sh addresses make owner script executable instead.
  2. Run chmod u+x deploy.sh is more directly suited to restrict default creation mask than Set umask 027 in the shell session, regardless of the stated constraint.
  3. The two actions are interchangeable for restrict default creation mask and necessarily have the same main result.
  4. Run chmod 640 report.txt is the only useful action for restrict default creation mask; Set umask 027 in the shell session has no relevant effect.

Explanation

Correct Answer

A:

Correct distinction: Set umask 027 in the shell session targets restrict default creation mask; A 027 mask removes group write and all other permissions from newly created file/directory modes. The compared alternative instead serves make owner script executable.

Incorrect Answers

B:

Incorrect mapping: Run chmod u+x deploy.sh is used for make owner script executable. It does not displace Set umask 027 in the shell session for the described requirement.

C:

The mechanisms are different: A 027 mask removes group write and all other permissions from newly created file/directory modes. By contrast, The symbolic u+x form adds execute permission for the owning user. They are not universally interchangeable.

D:

The third option addresses restrict confidential file mode: Mode 640 grants rw- to owner, r-- to group and --- to others. The original action remains relevant because A 027 mask removes group write and all other permissions from newly created file/directory modes.

Question 585

A program needs short-lived scratch files on a multiuser Linux system with a conventional temporary directory. Which action most directly addresses this requirement on a Linux-related system?

  1. Use /var/tmp when the platform's policy calls for longer-lived temporary files
  2. Set the sticky bit on that shared directory with suitable permissions
  3. Use /tmp for appropriate temporary files
  4. Run ln -s existing.txt shortcut.txt

Explanation

Correct Answer

C:

Correct for temporary shared workspace: The /tmp hierarchy is designated for temporary files and may be cleared by system policy.

Incorrect Answers

A:

This action targets persistent temporary data distinction: The /var/tmp hierarchy is intended for temporary files retained longer than /tmp on many systems. The stated task instead calls for temporary shared workspace.

B:

This action targets sticky bit protection: The sticky bit restricts removal and renaming of entries in a shared writable directory to authorized owners and privileged users. The stated task instead calls for temporary shared workspace.

D:

This action targets create symbolic link: A symbolic link stores a pathname reference to another filesystem object. The stated task instead calls for temporary shared workspace.

Question 586

An operator follows this instruction: Use /tmp for appropriate temporary files. For the task described as "temporary shared workspace", what is the most accurate expected result?

  1. The /var/tmp hierarchy is intended for temporary files retained longer than /tmp on many systems.
  2. The sticky bit restricts removal and renaming of entries in a shared writable directory to authorized owners and privileged users.
  3. A symbolic link stores a pathname reference to another filesystem object.
  4. The /tmp hierarchy is designated for temporary files and may be cleared by system policy.

Explanation

Correct Answer

D:

Correct consequence of Use /tmp for appropriate temporary files. This outcome explains its use for temporary shared workspace.

Incorrect Answers

A:

This outcome belongs to persistent temporary data distinction and would follow Use /var/tmp when the platform's policy calls for longer-lived temporary files; it is not the principal result of Use /tmp for appropriate temporary files.

B:

This outcome belongs to sticky bit protection and would follow Set the sticky bit on that shared directory with suitable permissions; it is not the principal result of Use /tmp for appropriate temporary files.

C:

This outcome belongs to create symbolic link and would follow Run ln -s existing.txt shortcut.txt; it is not the principal result of Use /tmp for appropriate temporary files.

Question 587

A program needs short-lived scratch files on a multiuser Linux system with a conventional temporary directory. A teammate tries this different approach instead: Use /var/tmp when the platform's policy calls for longer-lived temporary files. The requirement is still unmet. Which corrective action should replace the misapplied approach?

  1. Use /tmp for appropriate temporary files
  2. Use /var/tmp when the platform's policy calls for longer-lived temporary files
  3. Set the sticky bit on that shared directory with suitable permissions
  4. Run ln -s existing.txt shortcut.txt

Explanation

Correct Answer

A:

Replace the attempt with this step: The /tmp hierarchy is designated for temporary files and may be cleared by system policy. It fits temporary shared workspace.

Incorrect Answers

B:

This step is specific to persistent temporary data distinction: The /var/tmp hierarchy is intended for temporary files retained longer than /tmp on many systems. It does not fix the stated requirement for temporary shared workspace.

C:

This step is specific to sticky bit protection: The sticky bit restricts removal and renaming of entries in a shared writable directory to authorized owners and privileged users. It does not fix the stated requirement for temporary shared workspace.

D:

This step is specific to create symbolic link: A symbolic link stores a pathname reference to another filesystem object. It does not fix the stated requirement for temporary shared workspace.

Question 588

A program needs short-lived scratch files on a multiuser Linux system with a conventional temporary directory. One student proposes Use /tmp for appropriate temporary files and another proposes Set the sticky bit on that shared directory with suitable permissions. Which technical comparison is the soundest?

  1. Set the sticky bit on that shared directory with suitable permissions is more directly suited to temporary shared workspace than Use /tmp for appropriate temporary files, regardless of the stated constraint.
  2. Use /tmp for appropriate temporary files is used because The /tmp hierarchy is designated for temporary files and may be cleared by system policy. The alternative Set the sticky bit on that shared directory with suitable permissions addresses sticky bit protection instead.
  3. The two actions are interchangeable for temporary shared workspace and necessarily have the same main result.
  4. Run ln -s existing.txt shortcut.txt is the only useful action for temporary shared workspace; Use /tmp for appropriate temporary files has no relevant effect.

Explanation

Correct Answer

B:

Correct distinction: Use /tmp for appropriate temporary files targets temporary shared workspace; The /tmp hierarchy is designated for temporary files and may be cleared by system policy. The compared alternative instead serves sticky bit protection.

Incorrect Answers

A:

Incorrect mapping: Set the sticky bit on that shared directory with suitable permissions is used for sticky bit protection. It does not displace Use /tmp for appropriate temporary files for the described requirement.

C:

The mechanisms are different: The /tmp hierarchy is designated for temporary files and may be cleared by system policy. By contrast, The sticky bit restricts removal and renaming of entries in a shared writable directory to authorized owners and privileged users. They are not universally interchangeable.

D:

The third option addresses create symbolic link: A symbolic link stores a pathname reference to another filesystem object. The original action remains relevant because The /tmp hierarchy is designated for temporary files and may be cleared by system policy.

Question 589

An application needs temporary files that should normally survive a reboot rather than relying on /tmp cleanup behavior. Which action most directly addresses this requirement on a Linux-related system?

  1. Set the sticky bit on that shared directory with suitable permissions
  2. Run ln -s existing.txt shortcut.txt
  3. Use /tmp for appropriate temporary files
  4. Use /var/tmp when the platform's policy calls for longer-lived temporary files

Explanation

Correct Answer

D:

Correct for persistent temporary data distinction: The /var/tmp hierarchy is intended for temporary files retained longer than /tmp on many systems.

Incorrect Answers

A:

This action targets sticky bit protection: The sticky bit restricts removal and renaming of entries in a shared writable directory to authorized owners and privileged users. The stated task instead calls for persistent temporary data distinction.

B:

This action targets create symbolic link: A symbolic link stores a pathname reference to another filesystem object. The stated task instead calls for persistent temporary data distinction.

C:

This action targets temporary shared workspace: The /tmp hierarchy is designated for temporary files and may be cleared by system policy. The stated task instead calls for persistent temporary data distinction.

Question 590

An operator follows this instruction: Use /var/tmp when the platform's policy calls for longer-lived temporary files. For the task described as "persistent temporary data distinction", what is the most accurate expected result?

  1. The /var/tmp hierarchy is intended for temporary files retained longer than /tmp on many systems.
  2. The sticky bit restricts removal and renaming of entries in a shared writable directory to authorized owners and privileged users.
  3. A symbolic link stores a pathname reference to another filesystem object.
  4. The /tmp hierarchy is designated for temporary files and may be cleared by system policy.

Explanation

Correct Answer

A:

Correct consequence of Use /var/tmp when the platform's policy calls for longer-lived temporary files. This outcome explains its use for persistent temporary data distinction.

Incorrect Answers

B:

This outcome belongs to sticky bit protection and would follow Set the sticky bit on that shared directory with suitable permissions; it is not the principal result of Use /var/tmp when the platform's policy calls for longer-lived temporary files.

C:

This outcome belongs to create symbolic link and would follow Run ln -s existing.txt shortcut.txt; it is not the principal result of Use /var/tmp when the platform's policy calls for longer-lived temporary files.

D:

This outcome belongs to temporary shared workspace and would follow Use /tmp for appropriate temporary files; it is not the principal result of Use /var/tmp when the platform's policy calls for longer-lived temporary files.