1. What is the Cisco enterprise infrastructure model at which WAN technologies operate?
a. Campus
b. Access
c. Core
d. Distribution
e. Enterprise edge
2. Name three broadband technologies:
a. Frame Relay
b. Cable
c. Wireless
d. Dial-up
e. DSL
3. In a hub-and-spoke topology, the minimum number of required connections is equal to the number of spokes.
a. TRUE
b. FALSE
4. What are the two NBMA interface types?
a. Multipoint
b. Transparent
c. Point-to-point
d. Routed
5. What are two methods of configuring Layer 3 to Layer 2 resolution in a Frame Relay environment?
a. DHCP
b. Static maps
c. Inverse-ARP
d. Frame Relay does not need Layer 3 to Layer 2 resolution
6. Which of the following is not an ISDN type?
a. BRI
b. DRI
c. PRI
7. Which of the following is not a Frame Relay LMI type?
a. OSI
b. Q.933A
c. Cisco
d. ANSI
8. The Frame Relay scenario in which one end of the link is configured as a multipoint subinterface and the other end as a point-to-point subinterface is not a valid one.
a. TRUE
b. FALSE
9. What is the name of the DE bit that can be set to mark non-priority packets?
a. EF
b. FECN
c. BECN
d. DE
10. What is the name of an MPLS router that also performs label pushing and popping operations?
a. PE router
b. LSR router
c. P router
d. CE router
e. DE router
11. How many bits does the MPLS label have?
a. 8
b. 16
c. 32
d. 128
12. MPLS can operate only in frame mode.
a. TRUE
b. FALSE
13. What is the most important MPLS application?
a. Rate limiting
b. Layer 3 VPNs
c. Dial-up connections
d. Traffic optimization
14. What is the most popular type of Digital Subscriber Line implementation?
a. SDSL
b. HDSL
c. ADSL
d. VDSL
e. IDSL
15. Which WAN technology is based on the DOCSIS set of standards?
a. Wireless
b. Cable
c. PPP
d. DWDM
16. Which Cisco technology can be used to test response times and other parameters between two devices by generating synthetic traffic?
a. IP SLA
b. CDP
c. OSPF
d. LACP
17. Which queuing technique does the interface hardware queue (TX Ring) use?
a. FIFO
b. PQ
c. CQ
d. CBWFQ
18. The LLQ congestion management technique does not work well with VoIP traffic.
a. TRUE
b. FALSE
19. Which of the following queuing mechanisms can cause non-VoIP packet starvation?
a. WFQ
b. LLQ
c. PQ
d. CQ
20. LFI techniques are not necessary when only voice packets are present on the link.
a. TRUE
b. FALSE