CompTIA N10-009 Exam Questions
CompTIA Network+ (Page 13 )

Updated On: 17-Apr-2026

A small business is deploying new phones, and some of the phones have full HD videoconferencing features. The Chief Information Officer is concerned that the network might not be able to handle the traffic if the traffic reaches a certain threshold.
Which of the following can the network engineer configure to help ease these concerns?

  1. A VLAN with 100Mbps speed limits
  2. An IP helper to direct VoIP traffic
  3. A smaller subnet mask
  4. Full duplex on all user ports

Answer(s): A



A virtual machine has the following configuration:

IPv4 address: 169.254.10.10
Subnet mask: 255.255.0.0

The virtual machine can reach collocated systems but cannot reach external addresses on the internet.
Which of the following is most likely the root cause?

  1. The subnet mask is incorrect.
  2. The DHCP server is offline.
  3. The IP address is an RFC1918 private address.
  4. The DNS server is unreachable.

Answer(s): B



Which of the following is used to estimate the average life span of a device?

  1. RPO
  2. RTO
  3. MTTR
  4. MTBF

Answer(s): D



Which of the following is the most secure way to provide site-to-site connectivity?

  1. VXLAN
  2. IKE
  3. GRE
  4. IPSec

Answer(s): D



A network technician is terminating a cable to a fiber patch panel in the MDF. Which of the following connector types is most likely in use?

  1. F-type
  2. RJ11
  3. BNC
  4. SC

Answer(s): D



A network administrator is connecting two Layer 2 switches in a network. These switches must transfer data in multiple networks.
Which of the following would fulfill this requirement?

  1. Jumbo frames
  2. 802.1Q tagging
  3. Native VLAN
  4. Link aggregation

Answer(s): B



A network administrator wants users to be able to authenticate to the corporate network using a port-based authentication framework when accessing both wired and wireless devices.
Which of the following is the best security feature to accomplish this task?

  1. 802.1X
  2. Access control list
  3. Port security
  4. MAC filtering

Answer(s): A



Which of the following is most closely associated with a dedicated link to a cloud environment and may not include encryption?

  1. Direct Connect
  2. Internet gateway
  3. Captive portal
  4. VPN

Answer(s): A



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