Page 944 - (ISC)² CISSP Certified Information Systems Security Professional Official Study Guide

5. Which of the following cannot be linked over a VPN?

A. Two distant internet-connected LANs

B. Two systems on the same LAN
C. A system connected to the internet and a LAN connected to the

internet

D. Two systems without an intermediary network connection

6. What is needed to allow an external client to initiate a
communication session with an internal system if the network uses
a NAT proxy?

A. IPsec tunnel

B. Static mode NAT

C. Static private IP address

D. Reverse DNS

7. Which of the following VPN protocols do not offer native data
encryption? (Choose all that apply.)

A. L2F

B. L2TP

C. IPsec

D. PPTP

8. At which OSI model layer does the IPsec protocol function?

A. Data Link

B. Transport

C. Session

D. Network

9. What technology allows for phone conversations to occur over an
existing TCP/IP network and internet connection?

A. IPsec

B. VoIP