As a network administrator, you have configured a new VLAN for the Marketing department on both SwitchA and SwitchB. Ports Fa0/1-5 on both switches are assigned to this VLAN as access ports. After connecting the switches with an inter-switch link, devices in the Marketing VLAN connected to SwitchA cannot communicate with devices in the same VLAN on SwitchB. What is the most likely cause of this issue?
The inter-switch connection is not configured to carry traffic for the Marketing department.
SwitchB has a different default network configured.
The access ports on SwitchA are incorrectly set to trunk mode.
The ports on SwitchB are administratively shut down.
The most likely cause is that the inter-switch link (trunk port) is not configured to carry traffic for the Marketing VLAN. Trunk ports must be explicitly configured to allow specific VLANs to pass through. If the Marketing VLAN is not permitted on the trunk link between SwitchA and SwitchB, devices on that VLAN across the switches will be unable to communicate.
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Cisco CCNA 200-301
Network Access
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