Which of the following statements is NOT true concerning VPNs?

• A. Financially rewarding compared to leased lines
• B. Allows remote workers to access corporate data
• C. Allows LAN-to-LAN connectivity over public networks
• D. Is the backbone of the internet

Traffic in a VPN is NOT ____________

• A. Invisible from public networks
• B. Logically separated from other traffic
• C. Accessible from unauthorized public networks
• D. Restricted to a single protocol in ipsec

VPNs are financially speaking __________

• A. Always more expensive than leased lines
• B. Always cheaper than leased lines
• C. Usually cheaper than leased lines
• D. Usually more expensive than leased lines

Which layer 3 protocols can be transmitted over an L2TP VPN?

• A. Only ip
• B. Only ipx
• C. Only icmp
• D. Ip and ipx

ESP (Encapsulating Security Protocol) is defined in which of the following standards?

• A. Ipsec
• B. Pptp
• C. Ppp
• D. L2tp

L2F was developed by which company?

• A. Microsoft
• B. Cisco
• C. Blizzard entertainment
• D. Ietf

Which layer of the OSI reference model does PPTP work at?

• A. Layer 1
• B. Layer 2
• C. Layer 3
• D. Layer 4

Which layer of the OSI reference model does IPsec work at?

• A. Layer 1
• B. Layer 2
• C. Layer 3
• D. Layer 4

_____________ allows LAN users to share computer programs and data.

• A. Communication server
• B. Print server
• C. File server
• D. Network

With respect to physical media, STP cables stands for _________

• A. Shielded twisted pair cable
• B. Spanning tree protocol cable
• C. Static transport protocol cable
• D. Shielded two power cable