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Free CompTIA N10-009 Exam Questions (page: 8)

Page 8 of 104
PDF with 513 Questions

Which of the following is created to illustrate the effectiveness of wireless networking coverage in a building?

  1. Logical diagram
  2. Layer 3 network diagram
  3. Service-level agreement
  4. Heat map

Answer(s): D

Explanation:

Phones typically tag voice VLAN traffic, while the workstation uses untagged data VLAN traffic passed through the phone. If the PC cannot reach the network but the phone can, the data VLAN assignment is incorrect.



Which of the following cloud deployment models is most commonly associated with multitenancy and is generally offered by a service provider?

  1. Private
  2. Community
  3. Public
  4. Hybrid

Answer(s): C

Explanation:

A public cloud supports multitenancy—multiple customers share the same physical infrastructure while being logically isolated. Public cloud providers (AWS, Azure, GCP) deliver scalable, on-demand resources to many organizations simultaneously.



A network administrator needs to create an SVI on a Layer 3-capable device to separate voice and data traffic.
Which of the following best explains this use case?

  1. A physical interface used for trunking logical ports
  2. A physical interface used for management access
  3. A logical interface used for the routing of VLANs
  4. A logical interface used when the number of physical ports is insufficient

Answer(s): C

Explanation:

An SVI (Switched Virtual Interface) is a logical interface created on a Layer 3 switch to provide routing between VLANs. Creating SVIs for voice and data VLANs allows the switch to route traffic between them.



A network administrator is performing a refresh of a wireless environment. As the APs are being placed, they overlap a little bit with each other.
Which of the following 2.4GHz channels should be selected to ensure that they do not conflict?

  1. 1, 3, 5
  2. 1, 6, 11
  3. 2, 6, 10
  4. 3, 6, 9

Answer(s): B

Explanation:

In the 2.4GHz band, only channels 1, 6, and 11 are non-overlapping. Using these prevents adjacent APs from interfering with each other



Which of the following network cables involves bouncing light off of protective cladding?

  1. Twinaxial
  2. Coaxial
  3. Single-mode
  4. Multimode

Answer(s): D

Explanation:

Multimode fiber uses modal dispersion, where multiple light paths bounce off the fiber cladding. This is the characteristic behavior that differentiates multimode from single-mode fiber.



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