N10-009 Domain 2: Network Implementation

Which firewall rule direction blocks inbound by default in hardened design?

Multiple choice — select one answer

Answer choices

  1. a. Implicit deny inbound after explicit permits
  2. b. Channel bonding / 40/80/160 MHz widths
  3. c. Wire map shows pins crossed between pairs
  4. d. SLAAC with RA

Architectural breakdown & explanation

Default deny inbound is a security baseline.

Correct answer(s): a. Implicit deny inbound after explicit permits

Exam domain: Domain 2: Network Implementation (19% weight on the official guide).

Official documentation & study links

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