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JK0-019 – CompTIA E2C Network + Certification Exam

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Showing 4–6 of 20 questions

Question 4

In a newly installed LAN, the network administrator receives many calls about intermittent or slow connectivity to the authentication server. Which of the following could cause this problem? (Select TWO).

Select all that apply, then click Submit answer.

  • ○

    VLAN configuration error
  • ○

    Cables too short
  • ○

    Cable crosstalk
  • ○

    Incorrect channel
  • ○

    EMI
  • ○

    Wrong subnet mask
Question 5

The components of a NIC function at which of the following layers of the OSI model? (Select TWO).

Select all that apply, then click Submit answer.

  • ○

    Layer 1
  • ○

    Layer 2
  • ○

    Layer 3
  • ○

    Layer 4
  • ○

    Layer 5
Question 6

Which of the following reside at a minimum of Layer 3 of the OSI model? (Select TWO).

Select all that apply, then click Submit answer.

  • ○

    Hub
  • ○

    Switch
  • ○

    MAC address
  • ○

    IP address
  • ○

    Router