Level 2. Page 643 in your COMPTIA's Linux + book.
C2 level security.
Document security is the process of ensuring the a document is correctly marked as to the level of security required for the information it contains, and that it receives that level of security.
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The Infocon level, short for "Information Operations Condition," is a system used by the U.S. Department of Homeland Security to indicate the current threat level to information systems and networks. It ranges from Level 1 (Low) to Level 5 (Severe), with each level corresponding to the severity of the threat and the recommended actions for organizations to mitigate risks. The Infocon levels help guide organizations in implementing appropriate security measures and responses to protect against potential cyber threats.
Medium-Security Level
C2 level security provides for:Discretionary Access ControlIdentification and AuthenticationAuditingResource reuse
Medium-Security Level
System security is OS level security like you have username password to logon on your system. Database security is db level security governed by your database software.like you have different schemas that have different passwords.You can decide grants and permissions for various db objects based on these db level users.
security policy
user level security
What are the steps followed when using testing at security level in ERB?
Stewart W. Liles has written: 'Dynamically extending a networked virtual environment using Bamboo and the high level architecture'