Which three statements about site-to-site VPNs are true? (Choose three.)
- They eliminate the need for QoS.
- They provide transmission security between sites over an untrusted network.
- They support only Cisco routers.
- They often encounter problems with traffic filtering.
- They authenticate VPN peers and network devices that provide VPN functionality for an entire site.
- They can be used as replacements for classic routed WANs.
- They eliminate the need for basic network traffic controls.
- They eliminate the need for high availability.
Explanation: Site-to-site VPNs are primarily used by enterprises to connect geographically dispersed sites or partners over public networks, often serving as a cost-effective replacement for classic routed WANs. These VPNs serve several critical security and operational roles:
- Transmission Security: They provide security for data traveling over untrusted networks like the Internet or an MPLS WAN.
- Authentication: They authenticate both the VPN peers and the network devices that manage VPN functionality for the entire site.
Related exam: Modules 17 – 20: Checkpoint Exam: Virtualization and Network Services Answers (CCNP ENCOR v9)
