CompTIA JK0-023 Exam Questions
CompTIA Network+ certification (Page 26 )

Updated On: 17-Feb-2026
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Which of the following STP states indicates an inactivated port due to a loop?

  1. Disabled
  2. Learning
  3. Blocking
  4. Forwarding

Answer(s): C



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At which layer of the OSI model do MAC addresses operate?

  1. Data Link
  2. Network
  3. Application
  4. Physical

Answer(s): A



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Which of the following TCP/IP model layers combines four OSI model layers?

  1. Application Layer
  2. Internet Layer
  3. Transport Layer
  4. Network Interface Layer

Answer(s): A



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Which of the following are considered unsecure access methods? (Select TWO).

  1. FTP
  2. IPSec
  3. RCP
  4. SCP
  5. SFTP

Answer(s): A,C



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Standards such as JPEG and ASCII operate at which of the following OSI model layers?

  1. Presentation
  2. Data link
  3. Session
  4. Application

Answer(s): A






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