2.1 Summarize the purpose and use the security best practices in a Linux environment

Question 1

Self-signed certificate

Answer 1

In some cases, the server itself provides the signature.

Question 2

Certificate Authorities

Answer 2

A CA is a third party that is checked against your digital certificate to make sure you’re legit.

Question 3

Pluggable Authentication Modules

Answer 3

PAM are a set of config files that Linux applications use to authenticate users and enforce requirements for users to authenticate.

Question 4

System Security Services Daemon(SSSD)

Answer 4

SSSD is designed to provide an authenticated method to access remote servers.

Question 5

Secure Boot(UEFI)

Answer 5

Secure boot takes extra steps to make sure that the boot images are not corrupted or malicious.