Which three activities within the plan phase are performed when assessing network vulnerabilities and identifying steps needed to address security threats and attacks? (Choose three.)

A.
Produce Security Vulnerability Report

B.
Document the Network Vulnerabilities and Determine the level of Criticality for remediation

C.
Identify, Analyze and Document Existing Network Vulenrabilities

D.
Produce Network Security Specifications and Requirements

E.
Document the existing Network Environment

F.
Assess Current Network Infrastructure and Network Security Procedures