CompTIA JK0-023 Exam Questions
CompTIA Network+ certification (Page 7 )

Updated On: 16-Feb-2026
View Related Case Study

Which of the following DNS record types will be used for mail transfer if the MX record is not found?

  1. CNAME
  2. A
  3. PTR
  4. AAAA

Answer(s): B



View Related Case Study

A user is unable to open up websites on the Internet from a browser. The administrator determines that the workstation can ping its local gateway, but not the remote web server. At which of the following layers of the OSI model does the problem MOST likely exist?

  1. Data link
  2. Network
  3. Session
  4. Physical

Answer(s): B



View Related Case Study

At which of the following layers do frames exist? (Select TWO).

  1. OSI model Data link layer
  2. TCP/IP model Network Interface layer
  3. OSI model Physical layer
  4. OSI model Network layer
  5. TCP/IP model Internet layer

Answer(s): A,B



View Related Case Study

IP address based routing occurs on which of the following layers of the OSI model?

  1. Layer 2
  2. Layer 3
  3. Layer 4
  4. Layer 5

Answer(s): B



View Related Case Study

In which of the following layers of the OSI model would MAC addressing be found?

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

Answer(s): C






Post your Comments and Discuss CompTIA JK0-023 exam dumps with other Community members:

Join the JK0-023 Discussion