CCNA 4 accessing the WAN chapter 1?

5Which three features are identified with Frame Relay connections? (Choose three.)
CIR
DLCI
DSLAM
PVC
SPID
53-byte cells
6.Which WAN technology uses a fixed payload of 48 bytes and is transported across both switched and permanent virtual circuits?
ATM
ISDN
Frame Relay
metro Ethernet
7What are two advantages of an analog PSTN WAN connection? (Choose two.)
low cost
availability
traffic encryption
available bandwidth
support for voice and video
8Which term describes a device that will put data on the local loop?
DLCI
DTE
DCE
BRI
PRI
9For digital lines, which device is used to establish the communications link between the customer equipment and the local loop?
CSU/DSU
Frame Relay switch
ISDN switch
modem
PBX switch
10What type of connectivity is established when VPNs are used from the remote site to the private network?
PVCs
DLCIs
tunnels
virtual circuits
dedicated Layer 2 links

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