Which network security device ensures that internal traffic can go out and come back, but external traffic cannot initiate connections to inside hosts?

Last Updated: Dec 13, 2022
IT Exam Items Repository › Category: CCNA 3 v7 › Which network security device ensures that internal traffic can go out and come back, but external traffic cannot initiate connections to inside hosts?

Which network security device ensures that internal traffic can go out and come back, but external traffic cannot initiate connections to inside hosts?

  • VPN
  • ASA Firewall
  • IPS
  • ESA/WSA
  • AAA Server

Explanation: A firewall, such as Cisco’s ASA firewall, ensures that internal traffic can go out and come back, but external traffic cannot initiate connections to inside hosts.

Related exam: 3.9.6 Check Your Understanding - Network Security Best Practices

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