Link local
c. IPv6 NAT
d. Standard stateless autocon?¬?guration
e. DHCP autocon?¬?guration
17. Which two of the following options are not IPv6 routing protocols? (Choose two.)
a. IGRP6
b. OSPFv3
c. EIGRP for IPv6
d. RIPng
e. ODR
f. MP-BGP4
18. What are the two most common IPv4-to-IPv6 transition techniques? (Choose two.)
a. IPv6 NAT
b. Dual stack
c. 6to4 tunnels
d. IPv6 mobile
19. Which command is the global command that enables IPv6 or dual stack in a Cisco
router?
a. ipv6 routing
b. ipv6 unicast-routing
c. ipv6 address
d. ipv6 dual stack
Review Questions 295
20. Which two statements regarding dual stack are true? (Choose two.)
a. A new API replaces gethostbyname and gethostbyaddr calls.
b. Tunneling is automatic.
c. Dual stack prefers IPv4 over IPv6.
d. You cannot use IPv4 while converting to IPv6.
e. The stack to use is chosen based on the destination address.
This chapter includes the
following sections:
?– Chapter Objectives
?– Introducing VPN Solutions
?– Establishing a Point-to-Point WAN
Connection with PPP
?– Establishing a WAN Connection with Frame
Relay
?– Troubleshooting Frame Relay WANs
?– Chapter Summary
?– Review Questions
C H A P T E R 8
Extending the Network
into the WAN
WANs are most often charge-for-service networks, providing the means for users to access
resources across a wide geographic area.
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