Which two VPN statements are correct? $($Choose two.$)$ Every VPN implementation must have traffic$-$filtering capabilities. VPNs carry private traffic over a public or shared infrastructure. VPNs use methods such as signatures and anomaly based inspection to inspect traffic. VPNs must be updated frequently in order to remain effective. VPNs can use encryption and authentication protocols to protect data from unauthorized access. Every VPN implementation includes packet integrity and nonrepudiation.