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Question 1 of 14
Lab 09·Intermediate

VLAN Fundamentals and Port Roles

30–40 min14 Questions

Skills Tested

  • Understand VLAN behavior and broadcast domains
  • Configure VLANs on a switch
  • Configure access ports
  • Configure trunk ports
  • Interpret VLAN-related command output
  • Analyze VLAN communication issues
Progress0%

You are configuring a switch for a company with two departments: Engineering (VLAN 10) and Sales (VLAN 20).

Users report:

  • !Devices cannot communicate correctly
  • !VLAN separation may not be configured properly

Configure VLANs, assign ports correctly, and ensure VLAN traffic behaves as expected.

🔀Network Topology
Dual-Switch VLAN
💻PC-AVLAN 10
🖥️PC-BVLAN 20
Fa0/3Fa0/5
🔀Switch S1
Trunk G0/1
🔀Switch S2
Fa0/3Fa0/4
💻PC-CVLAN 10
🖥️PC-DVLAN 20
VLAN 10
VLAN 20
Trunk
VLAN IDNameDevices
10EngineeringPC-A (S1 Fa0/3), PC-C (S2 Fa0/3)
20SalesPC-B (S1 Fa0/5), PC-D (S2 Fa0/4)
SwitchPortModeVLAN
S1Fa0/3accessVLAN 10
S1Fa0/5accessVLAN 20
S1G0/1trunkAll VLANs
S2Fa0/3accessVLAN 10
S2Fa0/4accessVLAN 20
S2G0/1trunkAll VLANs
CLI InputType the Cisco switch command
Q1/14

Create VLAN 10 on the switch.

cli input
Switch(config)#
Progress0 correct
Q1Q14

Lessons Reinforced

Lesson 46: VLAN FundamentalsLesson 47: Access Ports vs Trunk Ports