CompTIA JK0-023 Exam Questions
CompTIA Network+ certification (Page 10 )

Updated On: 17-Feb-2026
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Which of the following would be used to run an instance of a Layer 2 device within an application?

  1. Virtual switch
  2. Virtual router
  3. Virtual PBX
  4. NaaS

Answer(s): A



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Which of the following virtual components maintains a MAC-to-port forwarding table?

  1. Virtual PBX
  2. Virtual desktop
  3. Virtual switch
  4. Virtual server

Answer(s): C



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Which of the following exist at layer three of the OSI model? (Select TWO).

  1. NIC
  2. Switch
  3. Frame
  4. Packet
  5. Router
  6. Cable

Answer(s): D,E



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Which of the following OSI layers is responsible for encrypting HTTPS traffic?

  1. 3
  2. 4
  3. 5
  4. 6

Answer(s): D



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Which of the following protocols uses port 3389?

  1. IMAP
  2. DHCP
  3. SSH
  4. RDP

Answer(s): D






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