N10-009 Domain 3: Network Operations

Which TWO are network hardening steps? (Select TWO.)

Multiple response — select two or more answers

Answer choices

  1. a. Disable unused ports
  2. b. Use default SNMP public
  3. c. Implement ACLs
  4. d. Publish admin passwords
  5. e. Enable secure management (SSH)

Architectural breakdown & explanation

Disable unused services, ACLs, and secure management reduce attack surface.

Correct answer(s): a. Disable unused ports, c. Implement ACLs, e. Enable secure management (SSH)

Exam domain: Domain 3: Network Operations (16% weight on the official guide).

Official documentation & study links

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