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Exam N10-008 topic 1 question 515 discussion

Actual exam question from CompTIA's N10-008
Question #: 515
Topic #: 1
[All N10-008 Questions]

Which of the following situations would require an engineer to configure subinterfaces?

  • A. In a router-on-a-stick deployment with multiple VLANs
  • B. In order to enable inter-VLAN routing on a multilayer switch
  • C. When configuring VLAN trunk links between switches
  • D. After connecting a router that does not support 802.1Q VLAN tags
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Suggested Answer: A 🗳️

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Sinfulonsunday
Highly Voted 1 year ago
Selected Answer: A
A. In a router-on-a-stick deployment with multiple VLANs, an engineer would need to configure subinterfaces. A router-on-a-stick deployment is a networking configuration that enables routing between multiple VLANs using a single physical interface on a router. In this configuration, the router interface is divided into multiple logical interfaces, known as subinterfaces, each of which is associated with a specific VLAN. By configuring subinterfaces on the router, the engineer can route traffic between multiple VLANs using a single physical interface. Enabling inter-VLAN routing on a multilayer switch (B) would require configuring a Layer 3 interface on the switch, not subinterfaces. Configuring VLAN trunk links between switches (C) would not require subinterfaces. Connecting a router that does not support 802.1Q VLAN tags (D) would require configuring the router to use a different VLAN tagging protocol, but it would not require configuring subinterfaces.
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salah112
Most Recent 5 months ago
Selected Answer: A
A. In a router-on-a-stick deployment with multiple VLANs
upvoted 2 times
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