11. Which of the following describes the creation of private networks across the Internet, enabling privacy and tunneling of non-TCP/IP protocols?

A. HDLC
B. Cable
C. VPN
D. IPSec
E. xDSL

12. Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?

A. HDLC
B. Cable
C. VPN
D. IPSec
E. xDSL

13. Which of the following uses ATM as the Data Link layer protocol that’s terminated at what’s known as the DSLAM?

A. DSL
B. PPPoE
C. Frame Relay
D. Dedicated T1
E. Wireless

14. When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?

A. Supplied by the CSU/DSU
B. By the far end router
C. By the clock rate command
D. By the Physical layer bit stream timing

15. Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?

A. frame-relay arp
B. frame-relay map
C. frame-relay interface-dci
D. frame-relay lmi-type