Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 506–510 (page: 103)

Updated On: 10-Feb-2026

An organization only has a single public IP address and needs to host a website for its customers. Which of the following services is required on the network firewall to ensure connectivity?

  1. Forwarding proxy
  2. Port address translation
  3. DMZ port security
  4. Application inspection

Answer(s): B



Which of the following protocols works at the LOWEST layer of the OSI model?

  1. L2TP
  2. PPTP
  3. ISAKMP
  4. IPSec

Answer(s): A



A technician needs to enter a username and password and have their fingerprint scanned to access a server. Which of following types of authentication is this an example of?

  1. Single sign-on
  2. Network access control
  3. PKI authentication
  4. Two-factor authentication

Answer(s): D



Lisa, a network administrator, wants to be able to block all already known malicious activity. Which of the following would allow her to perform this activity?

  1. Behavioral Based IDS
  2. Signature Based IDS
  3. Behavioral Based IPS
  4. Signature Based IPS

Answer(s): D



Stateful packet inspection is a security technology used by which of the following devices?

  1. Unmanaged switch
  2. Hardware firewall
  3. Bridge
  4. IDS

Answer(s): B



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