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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 51

Question 500

A technician needs to inspect the current account's UID, primary GID and group memberships. One student proposes Run id and another proposes Run su - as an authorized user and authenticate as required. Which technical comparison is the soundest?

  1. Run su - as an authorized user and authenticate as required is more directly suited to effective user group IDs than Run id, regardless of the stated constraint.
  2. The two actions are interchangeable for effective user group IDs and necessarily have the same main result.
  3. Run who is the only useful action for effective user group IDs; Run id has no relevant effect.
  4. Run id is used because id reports a user's identity numbers and associated group memberships. The alternative Run su - as an authorized user and authenticate as required addresses root login shell switch instead.

Explanation

Correct Answer

D:

Correct distinction: Run id targets effective user group IDs; id reports a user's identity numbers and associated group memberships. The compared alternative instead serves root login shell switch.

Incorrect Answers

A:

Incorrect mapping: Run su - as an authorized user and authenticate as required is used for root login shell switch. It does not displace Run id for the described requirement.

B:

The mechanisms are different: id reports a user's identity numbers and associated group memberships. By contrast, su - switches to the target user's login environment, typically root when unspecified. They are not universally interchangeable.

C:

The third option addresses current logged-in sessions: who lists user login sessions recorded by the system. The original action remains relevant because id reports a user's identity numbers and associated group memberships.

Question 501

A standard user has authorized sudo rights and needs to run one administrative command without staying logged in as root. Which action most directly addresses this requirement on a Linux-related system?

  1. Run su - as an authorized user and authenticate as required
  2. Prefix the required command with sudo
  3. Run who
  4. Run last

Explanation

Correct Answer

B:

Correct for run one privileged command: sudo executes a permitted command with delegated privileges under the system's sudo policy.

Incorrect Answers

A:

This action targets root login shell switch: su - switches to the target user's login environment, typically root when unspecified. The stated task instead calls for run one privileged command.

C:

This action targets current logged-in sessions: who lists user login sessions recorded by the system. The stated task instead calls for run one privileged command.

D:

This action targets historical login sessions: last displays records of past logins from the available system login database. The stated task instead calls for run one privileged command.

Question 502

An operator follows this instruction: Prefix the required command with sudo. For the task described as "run one privileged command", what is the most accurate expected result?

  1. su - switches to the target user's login environment, typically root when unspecified.
  2. who lists user login sessions recorded by the system.
  3. sudo executes a permitted command with delegated privileges under the system's sudo policy.
  4. last displays records of past logins from the available system login database.

Explanation

Correct Answer

C:

Correct consequence of Prefix the required command with sudo. This outcome explains its use for run one privileged command.

Incorrect Answers

A:

This outcome belongs to root login shell switch and would follow Run su - as an authorized user and authenticate as required; it is not the principal result of Prefix the required command with sudo.

B:

This outcome belongs to current logged-in sessions and would follow Run who; it is not the principal result of Prefix the required command with sudo.

D:

This outcome belongs to historical login sessions and would follow Run last; it is not the principal result of Prefix the required command with sudo.

Question 503

A standard user has authorized sudo rights and needs to run one administrative command without staying logged in as root. A teammate tries this different approach instead: Run su - as an authorized user and authenticate as required. The requirement is still unmet. Which corrective action should replace the misapplied approach?

  1. Run su - as an authorized user and authenticate as required
  2. Run who
  3. Run last
  4. Prefix the required command with sudo

Explanation

Correct Answer

D:

Replace the attempt with this step: sudo executes a permitted command with delegated privileges under the system's sudo policy. It fits run one privileged command.

Incorrect Answers

A:

This step is specific to root login shell switch: su - switches to the target user's login environment, typically root when unspecified. It does not fix the stated requirement for run one privileged command.

B:

This step is specific to current logged-in sessions: who lists user login sessions recorded by the system. It does not fix the stated requirement for run one privileged command.

C:

This step is specific to historical login sessions: last displays records of past logins from the available system login database. It does not fix the stated requirement for run one privileged command.

Question 504

A standard user has authorized sudo rights and needs to run one administrative command without staying logged in as root. One student proposes Prefix the required command with sudo and another proposes Run who. Which technical comparison is the soundest?

  1. Prefix the required command with sudo is used because sudo executes a permitted command with delegated privileges under the system's sudo policy. The alternative Run who addresses current logged-in sessions instead.
  2. Run who is more directly suited to run one privileged command than Prefix the required command with sudo, regardless of the stated constraint.
  3. The two actions are interchangeable for run one privileged command and necessarily have the same main result.
  4. Run last is the only useful action for run one privileged command; Prefix the required command with sudo has no relevant effect.

Explanation

Correct Answer

A:

Correct distinction: Prefix the required command with sudo targets run one privileged command; sudo executes a permitted command with delegated privileges under the system's sudo policy. The compared alternative instead serves current logged-in sessions.

Incorrect Answers

B:

Incorrect mapping: Run who is used for current logged-in sessions. It does not displace Prefix the required command with sudo for the described requirement.

C:

The mechanisms are different: sudo executes a permitted command with delegated privileges under the system's sudo policy. By contrast, who lists user login sessions recorded by the system. They are not universally interchangeable.

D:

The third option addresses historical login sessions: last displays records of past logins from the available system login database. The original action remains relevant because sudo executes a permitted command with delegated privileges under the system's sudo policy.

Question 505

An administrator is authorized to switch to a root login environment for a maintenance session. Which action most directly addresses this requirement on a Linux-related system?

  1. Run who
  2. Run last
  3. Run su - as an authorized user and authenticate as required
  4. Read the appropriate entries from /etc/passwd

Explanation

Correct Answer

C:

Correct for root login shell switch: su - switches to the target user's login environment, typically root when unspecified.

Incorrect Answers

A:

This action targets current logged-in sessions: who lists user login sessions recorded by the system. The stated task instead calls for root login shell switch.

B:

This action targets historical login sessions: last displays records of past logins from the available system login database. The stated task instead calls for root login shell switch.

D:

This action targets account identity database: The passwd database lists account metadata and normally stores placeholder markers for passwords. The stated task instead calls for root login shell switch.

Question 506

An operator follows this instruction: Run su - as an authorized user and authenticate as required. For the task described as "root login shell switch", what is the most accurate expected result?

  1. who lists user login sessions recorded by the system.
  2. last displays records of past logins from the available system login database.
  3. The passwd database lists account metadata and normally stores placeholder markers for passwords.
  4. su - switches to the target user's login environment, typically root when unspecified.

Explanation

Correct Answer

D:

Correct consequence of Run su - as an authorized user and authenticate as required. This outcome explains its use for root login shell switch.

Incorrect Answers

A:

This outcome belongs to current logged-in sessions and would follow Run who; it is not the principal result of Run su - as an authorized user and authenticate as required.

B:

This outcome belongs to historical login sessions and would follow Run last; it is not the principal result of Run su - as an authorized user and authenticate as required.

C:

This outcome belongs to account identity database and would follow Read the appropriate entries from /etc/passwd; it is not the principal result of Run su - as an authorized user and authenticate as required.

Question 507

An administrator is authorized to switch to a root login environment for a maintenance session. A teammate tries this different approach instead: Run who. The requirement is still unmet. Which corrective action should replace the misapplied approach?

  1. Run su - as an authorized user and authenticate as required
  2. Run who
  3. Run last
  4. Read the appropriate entries from /etc/passwd

Explanation

Correct Answer

A:

Replace the attempt with this step: su - switches to the target user's login environment, typically root when unspecified. It fits root login shell switch.

Incorrect Answers

B:

This step is specific to current logged-in sessions: who lists user login sessions recorded by the system. It does not fix the stated requirement for root login shell switch.

C:

This step is specific to historical login sessions: last displays records of past logins from the available system login database. It does not fix the stated requirement for root login shell switch.

D:

This step is specific to account identity database: The passwd database lists account metadata and normally stores placeholder markers for passwords. It does not fix the stated requirement for root login shell switch.

Question 508

An administrator is authorized to switch to a root login environment for a maintenance session. One student proposes Run su - as an authorized user and authenticate as required and another proposes Run last. Which technical comparison is the soundest?

  1. Run last is more directly suited to root login shell switch than Run su - as an authorized user and authenticate as required, regardless of the stated constraint.
  2. Run su - as an authorized user and authenticate as required is used because su - switches to the target user's login environment, typically root when unspecified. The alternative Run last addresses historical login sessions instead.
  3. The two actions are interchangeable for root login shell switch and necessarily have the same main result.
  4. Read the appropriate entries from /etc/passwd is the only useful action for root login shell switch; Run su - as an authorized user and authenticate as required has no relevant effect.

Explanation

Correct Answer

B:

Correct distinction: Run su - as an authorized user and authenticate as required targets root login shell switch; su - switches to the target user's login environment, typically root when unspecified. The compared alternative instead serves historical login sessions.

Incorrect Answers

A:

Incorrect mapping: Run last is used for historical login sessions. It does not displace Run su - as an authorized user and authenticate as required for the described requirement.

C:

The mechanisms are different: su - switches to the target user's login environment, typically root when unspecified. By contrast, last displays records of past logins from the available system login database. They are not universally interchangeable.

D:

The third option addresses account identity database: The passwd database lists account metadata and normally stores placeholder markers for passwords. The original action remains relevant because su - switches to the target user's login environment, typically root when unspecified.

Question 509

A help desk asks which users are currently logged into the Linux machine. Which action most directly addresses this requirement on a Linux-related system?

  1. Run last
  2. Read the appropriate entries from /etc/passwd
  3. Identify /etc/shadow and enforce restricted access
  4. Run who

Explanation

Correct Answer

D:

Correct for current logged-in sessions: who lists user login sessions recorded by the system.

Incorrect Answers

A:

This action targets historical login sessions: last displays records of past logins from the available system login database. The stated task instead calls for current logged-in sessions.

B:

This action targets account identity database: The passwd database lists account metadata and normally stores placeholder markers for passwords. The stated task instead calls for current logged-in sessions.

C:

This action targets protected password hash storage: The shadow file stores protected password hash and aging fields on typical shadow-password systems. The stated task instead calls for current logged-in sessions.

Question 510

An operator follows this instruction: Run who. For the task described as "current logged-in sessions", what is the most accurate expected result?

  1. who lists user login sessions recorded by the system.
  2. last displays records of past logins from the available system login database.
  3. The passwd database lists account metadata and normally stores placeholder markers for passwords.
  4. The shadow file stores protected password hash and aging fields on typical shadow-password systems.

Explanation

Correct Answer

A:

Correct consequence of Run who. This outcome explains its use for current logged-in sessions.

Incorrect Answers

B:

This outcome belongs to historical login sessions and would follow Run last; it is not the principal result of Run who.

C:

This outcome belongs to account identity database and would follow Read the appropriate entries from /etc/passwd; it is not the principal result of Run who.

D:

This outcome belongs to protected password hash storage and would follow Identify /etc/shadow and enforce restricted access; it is not the principal result of Run who.