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Lpi Linux Professional Institute Security Essentials Exam 020 Sample Questions:

1. Which of the following is a link-layer address used to identify devices in a network?
Response:

A) DNS address
B) IP address
C) TCP port number
D) MAC address

2. What is the recommended way to detect and remove rootkits from your system?
Response:

A) Educate and train your users on safely using the Internet
B) Keep your operating system up-to-date
C) Boot from an external device and scan the drive
D) Use a good antivirus software

3. Which of the following is a network address used to identify devices in layer three of the OSI model?
Response:

A) DNS address
B) IP address
C) TCP port number
D) MAC address

4. Which of the following concepts is related to determining what actions a user is allowed to perform after being authenticated?
Response:

A) Accounting
B) Authentication
C) Authorization
D) Digital identity

5. Which of the following is a transport protocol that provides reliable, ordered, and error-checked delivery of data?
Response:

A) UDP
B) ICMP
C) DHCP
D) TCP

Solutions: