N10-009 Domain 2: Network Implementation

Which VLAN ID is reserved on Cisco-style switches?

Multiple choice — select one answer

Answer choices

  1. a. Wire map shows pins crossed between pairs
  2. b. 4095 or implementation-specific reserved; VLAN 1 default
  3. c. Spanning Tree Protocol (STP/RSTP)
  4. d. Source IP affinity / persistence

Architectural breakdown & explanation

VLAN 1 is default; vendors reserve certain IDs.

Correct answer(s): b. 4095 or implementation-specific reserved; VLAN 1 default

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

Official documentation & study links

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