1. 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.
2. Which network security device contains a secure database of who is authorized to access and manage network devices?
- VPN
- ASA Firewall
- IPS
- ESA/WSA
- AAA Server
Explanation: A AAA server contains a secure database of who is authorized to access and manage network devices.
3. Which network security device filters known and suspicious internet malware sites?
- VPN
- ASA Firewall
- IPS
- ESA/WSA
- AAA Server
Explanation: An ESA and a WSA filter known and suspicious internet malware sites.
4. Which network security device is used to provide secure services with corporate sites and remote access support for remote users using secure encrypted tunnels?
- VPN
- ASA Firewall
- IPS
- ESA/WSA
- AAA Server
Explanation: A VPN security device provides secure services with corporate sites and remote access support for remote users using secure encrypted tunnels.
5. Which network security device monitors incoming and outgoing traffic looking for malware, network attack signatures, and if it recognizes a threat, it can immediately stop it?
- VPN
- ASA Firewall
- IPS
- ESA/WSA
- AAA Server
Explanation: An IPS monitors incoming and outgoing traffic looking for malware, network attack signatures, and more. If it recognizes a threat, it can immediately stop it.