Which of the following is a common biometric authentication method?

A one-time password (OTP) sent via SMS

A personal identification number (PIN)

A security audit reveals that many employees use the same password across multiple systems. Which control is most effective in mitigating this risk?

Use a longer password complexity requirement.

Require password changes every 30 days.

Implement a password manager and enforce unique passwords.

Disable password caching in browsers.

What is the primary purpose of LDAP in an authentication context?

To access and manage directory information such as user accounts

To authorize API access to web applications

To provide a ticket-based authentication mechanism

What is the primary purpose of Single Sign-On (SSO)?

To eliminate the need for authentication entirely

To store all passwords in a central database

To allow users to authenticate once and access multiple systems

To provide a separate password for each application

LPI Security Essentials

Domain 5Objective 1

025.1 Identity and Authentication (weight: 3) SECURITY-ESSENTIALS Practice Questions (Page 1)

Part of the 025 Identity and Privacy domain, which makes up ~22% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 60-minute exam (~25–40 total, ~6–9 in this domain), expect 2–3 from this objective — we provide 36 practice questions to prepare you well beyond it. (estimate)

36questions here

8free pages

9concepts

Questions 1–5

1foundation · easy
Which of the following is a common biometric authentication method?
Select an answer first
2application · medium
A security audit reveals that many employees use the same password across multiple systems. Which control is most effective in mitigating this risk?
Select an answer first
3foundation · easy
What is the primary purpose of LDAP in an authentication context?
Select an answer first
4foundation · easy
What is the primary purpose of Single Sign-On (SSO)?
Select an answer first
5application · easy
A company is considering biometric authentication for its data center access. Which factor category does a fingerprint scanner represent?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to SECURITY-ESSENTIALS

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by Linux Professional Institute. “SECURITY-ESSENTIALS” is a trademark of its owner, used for identification only.