Information Technology Reference
In-Depth Information
Define the following key terms from this chapter, and check your answers in the glossary:
circuit switched, leased lines, packet and cell switched, hub-and-spoke (or star) topology,
partial-mesh topology, full-mesh topology, access VPN, intranet (site-to-site) VPN,
extranet VPN, IPsec, MPLS, Virtual Private LAN Services (VPLS), dial backup,
secondary WAN link, shadow PVC, small branch design, medium branch design,
large branch design
The answers to these questions appear in Appendix A. For more practice with exam for-
mat questions, use the exam engine on the CD-ROM.
1.
What type of WAN technology provides a dedicated connection from the service
provider?
a.
Circuit-switched data connection
b.
Leased lines
c.
Packet switched
d.
Cell switched
2.
What type of topology suffers from a single point of failure?
a.
Hub-and-spoke topology
b.
Full-mesh topology
c.
Partial-mesh topology
d.
None of the above
3.
What kind of topology requires that each site be connected to every other site in
the cloud?
a.
Hub-and-spoke topology
b.
Full-mesh topology
c.
Partial-mesh topology
d.
All of the above
4.
Which two of the follow ing best describe WA N backup over the Internet deployments?
a.
Private WAN
b.
Redundancy for primary WAN connection
c.
VPLS
d.
Best-effort performance