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

IT Questions Bank › 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.

Exam with this question: 3.9.6 Check Your Understanding - Network Security Best Practices