Home » CompTIA » XK0-004 v.2 » Which of the following is commonly implemented in external devices to provide unique event-based two-factor authentication credentials when a system is already implementing username and password authentication?
Which of the following is commonly implemented in external devices to provide unique event-based two-factor authentication credentials when a system is already implementing username and password authentication?
A. TACACS+
B. HOTP
C. Biometrics
D. LDAP
E. PIN
Correct Answer: E
Explanation/Reference:
