CompTIA JK0-023 Exam Questions
CompTIA Network+ certification (Page 3 )

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

Lisa, a network technician, is attempting to map a FQDN to an internal server at the address of 10.0.0.15 without NAT/PAT. Which of the following is the reason this will ultimately not work?

  1. This is a private address which cannot be seen by external users.
  2. The address does not have the appropriate subnet mask assigned.
  3. This is a public address which can only be seen by internal users.
  4. This is a private address which can only be seen by external users.

Answer(s): A



View Related Case Study

A forward lookup zone converts which of the following?

  1. IP addresses to hostnames
  2. Hostnames to IP addresses
  3. MAC addresses to IP addresses
  4. IP Addresses to MAC addresses

Answer(s): B



View Related Case Study

Multiprotocol Label Switching (MPLS) operates at which of the following layers of the OSI model? (Select TWO).

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

Answer(s): B,C



View Related Case Study

At which of the following layers of the OSI model does ASCII work?

  1. Session
  2. Transport
  3. Presentation
  4. Application

Answer(s): C



View Related Case Study

Which of the following would Joe, a technician, use for a service that needs fast communication and is unaffected by packet loss?

  1. UDP
  2. ARP
  3. ICMP
  4. TCP

Answer(s): A






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

Join the JK0-023 Discussion