Question 830
A change advisory for Cedarline Hotels has two requirements: (1) distinguish tagged VLAN 30 traffic from untagged native VLAN traffic on an 802.1Q trunk, and (2) separate finance endpoints from engineering devices at Layer 2. Which proposed plan satisfies both outcomes?
Explanation
Correct Answer
Both outcomes are covered: (1) The VLAN identifier in the 802.1Q header preserves VLAN separation across shared trunks. (2) VLAN membership creates separate Layer 2 broadcast domains even on the same physical switch. Neither action is a substitute for the other.
Incorrect Answers
The first step covers (1), but the second addresses secure browser-based device administration on a WLC. HTTPS uses TLS to protect management web sessions in transit. It leaves outcome (2) unfulfilled.
Neither step is the requested pair: Configure a trunk using 802.1Q with needed allowed VLANs is for carry multiple VLANs between distribution and access switches, and Use show interfaces trunk is for confirm which VLANs are actively forwarded over a trunk. An 802.1Q trunk tags most VLAN frames so several VLANs can share one interswitch link. The proposed plan misses the two stated outcomes.
The second step covers (2), but the first addresses route several VLANs using one router physical uplink. Router-on-a-stick separates VLAN traffic by subinterface over one physical trunk. It leaves outcome (1) unfulfilled.