Exam N10-009 Topic 2 Question 383 Discussion

Actual exam question for CompTIA's N10-009 exam
Question #: 383
Topic #: 2
A network engineer is setting up a new VoIP network for a customer. The current network is segmented only for computers and servers. No additional switch ports can be used in the new network. Which of the following does the engineer need to do to configure the network correctly? (Select TWO).

Suggested Answer: B,D Vote an answer

To support VoIP on the same physical ports used by computers:
B:Enable 802.1Q: This standard supports VLAN tagging, allowing voice and data traffic to share the same port using separate VLANs.
D: Set up voice VLANs: Separating voice traffic into its own VLAN improves QoS and manageability.
Other options are not directly related to configuring VoIP over existing ports:
A: Network translation definitions (NAT) are unrelated to switch-level VLAN configuration.
C: Routing protocols are not necessary at the switch level for VLAN setup.
E: DNS is not required for the switch or VLAN setup.
F: Perimeter network (DMZ) is used for public-facing servers, not VoIP VLANs.
# Reference:
CompTIA Network+ N10-009 Official Objectives: 2.3 - Given a scenario, configure and verify VLANs.
CompTIA Network+ N10-009 Official Objectives: 3.6 - Explain the characteristics of network topologies and types.

by Mirabelle at Jan 10, 2026, 08:45 AM

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