| 1 |
What type of connectivity is provided by site-to-site and remote access VPNs? |
| Answer: |
Site-to-site VPNs provide connectivity between an organization or organizations' sites, whereas remote access VPNs provide access to a corporate network for remote users such as teleworkers or "road warriors." |
| 2 |
What protocols and technologies are commonly used to enable site-to-site VPNs? |
| Answer: |
Protocols and technologies commonly used to enable site-to-site VPNs include MPLS, IPsec, L2TPv3, and GRE. |
| 3 |
What protocols are commonly used to enable remote access VPNs? |
| Answer: |
Protocols commonly used to enable remote access VPNs include L2F, PPTP, L2TPv2/3, IPsec, and SSL. |
| 4 |
What are the two main categories of provider-provisioned Layer 2 VPNs? |
| Answer: |
The two main categories of provider-provisioned L2VPNs are point-to-point L2VPNs (VPWS), and multipoint L2VPNs (VPLS and IPLS). |
| 5 |
Name the two overall types of Layer 3 VPN. |
| Answer: |
The two overall types of L3VPN are PE-based VPNs and CE-based VPNs. |